UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549



FORM 6-K


REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16

OF THE SECURITIES EXCHANGE ACT OF 1934

FOR THE MONTH OF MAY 2024


COMMISSION FILE NUMBER 001-38976

Genmab A/S
(Exact name of Registrant as specified in its charter)

Carl Jacobsens Vej 30

2500 Valby

Denmark

+45 70 20 27 28
(Address of principal executive offices)


Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  Form 40-F 

This report on Form 6-K shall be deemed to be incorporated by reference in Genmab A/S’s registration statements on Form S-8 (File No. 333-232693, 333-253519, 333-262970 and 333-277273) and to be a part thereof from the date on which this report is filed, to the extent not superseded by documents or reports subsequently filed or furnished.


SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

nthony

GENMAB A/S

BY:

/s/ Anthony Pagano

Name: Anthony Pagano

Title: Executive Vice President & Chief Financial Officer

DATE: MAY 28, 2024


EXHIBIT INDEX

O

Exhibit

Description of Exhibit

99.1

Company Announcement Dated May 28, 2024: Transactions in Connection with Share Buy-back Program

99.1(a)

Appendix Share buyback program – Specification for May 20 – May 24, 2024


Exhibit 99.1

Graphic

Transactions in Connection with Share Buy-back Program

Company Announcement

COPENHAGEN, Denmark; May 27, 2024 – Genmab A/S (Nasdaq: GMAB). On March 15, 2024, Genmab announced the initiation of a share buy-back program to repurchase up to DKK 3.5 billion worth of shares.

The share buy-back program is expected to be completed no later than December 16, 2024.

The following transactions were executed under the program from May 20, 2024 to May 24, 2024:

Trading Platform

No. of shares

Average price (DKK)

Total value (DKK)

Accumulated through

last announcement

723,998

 

1,462,398,123.38

May 20, 2024

XCSE

CEUX

AQEU

TQEX

Total

0

0.00

0.00

May 21, 2024

XCSE

5,395

2,013.10

CEUX

4,859

2,012.69

AQEU

619

2,013.80

TQEX

522

2,011.24

Total

11,395

2,012.88

22,936,756.21

May 22, 2024

XCSE

10,698

2,027.79

CEUX

5,393

2,030.70

AQEU

572

2,030.45

TQEX

773

2,028.94

Total

17,436

2,028.83

35,374,660.70

May 23, 2024

XCSE

CEUX

AQEU

TQEX

Total

0

0.00

0.00

May 24, 2024

XCSE

28,977

1,920.38

CEUX

12,667

1,920.08

AQEU

2,343

1,920.52

TQEX

2,283

1,919.63

Total

46,270

1,920.27

88,850,717.07

Total

75,101

147,162,133.98

Accumulated under the program

799,099

 

1,609,560,257.36

Details of each transaction are included as an appendix to this announcement.

Genmab A/S

Tel: +45 7020 2728

Company Announcement no. 39

Carl Jacobsens Vej 30

Fax: +45 7020 2729

Page 1/2

2500 Valby, Denmark

www.genmab.com

CVR no. 2102 3884

LEI Code 529900MTJPDPE4MHJ122


Graphic

Transactions in Connection with Share Buy-back Program

Following these transactions, Genmab holds 1,648,237 shares as treasury shares, corresponding to 2.49% of the total share capital and voting rights.

The share buy-back program is undertaken in accordance with Regulation (EU) No. 596/2014 (‘MAR’) and the Commission Delegated Regulation (EU) 2016/1052, also referred to as the “Safe Harbour Regulation.” Further details on the terms of the share buy-back program can be found in our company announcement no. 22 dated March 15, 2024.

About Genmab

Genmab is an international biotechnology company with a core purpose guiding its unstoppable team to strive towards improving the lives of patients through innovative and differentiated antibody therapeutics. For 25 years, its passionate, innovative and collaborative team has invented next-generation antibody technology platforms and leveraged translational, quantitative, and data sciences, resulting in a proprietary pipeline including bispecific T-cell engagers, next-generation immune checkpoint modulators, effector function enhanced antibodies, and antibody-drug conjugates. To help develop and deliver novel antibody therapies to patients, Genmab has formed 20+ strategic partnerships with biotechnology and pharmaceutical companies. By 2030, Genmab’s vision is to transform the lives of people with cancer and other serious diseases with knock-your-socks-off (KYSO®) antibody medicines.

Established in 1999, Genmab is headquartered in Copenhagen, Denmark, with international presence across North America, Europe and Asia Pacific. For more information, please visit Genmab.com and follow us on LinkedIn and X.


Contact:
Marisol Peron, Senior Vice President, Global Communications & Corporate Affairs

T: +1 609 524 0065; E: mmp@genmab.com

Andrew Carlsen, Vice President, Head of Investor Relations

T: +45 3377 9558; E: acn@genmab.com


This Company Announcement contains forward looking statements. The words “believe,” “expect,” “anticipate,” “intend” and “plan” and similar expressions identify forward looking statements. Actual results or performance may differ materially from any future results or performance expressed or implied by such statements. The important factors that could cause our actual results or performance to differ materially include, among others, risks associated with pre-clinical and clinical development of products, uncertainties related to the outcome and conduct of clinical trials including unforeseen safety issues, uncertainties related to product manufacturing, the lack of market acceptance of our products, our inability to manage growth, the competitive environment in relation to our business area and markets, our inability to attract and retain suitably qualified personnel, the unenforceability or lack of protection of our patents and proprietary rights, our relationships with affiliated entities, changes and developments in technology which may render our products or technologies obsolete, and other factors. For a further discussion of these risks, please refer to the risk management sections in Genmab’s most recent financial reports, which are available on www.genmab.com and the risk factors included in Genmab’s most recent Annual Report on Form 20-F and other filings with the U.S. Securities and Exchange Commission (SEC), which are available at www.sec.gov. Genmab does not undertake any obligation to update or revise forward looking statements in this Company Announcement nor to confirm such statements to reflect subsequent events or circumstances after the date made or in relation to actual results, unless required by law.


Genmab A/S and/or its subsidiaries own the following trademarks: Genmab®; the Y-shaped Genmab logo®; Genmab in combination with the Y-shaped Genmab logo®; HuMax®; DuoBody®; HexaBody®; DuoHexaBody®, HexElect® and KYSO®.

Genmab A/S

Tel: +45 7020 2728

Company Announcement no. 39

Carl Jacobsens Vej 30

Fax: +45 7020 2729

Page 2/2

2500 Valby, Denmark

www.genmab.com

CVR no. 2102 3884

LEI Code 529900MTJPDPE4MHJ122


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Issuer

Date

Time CEST

Price (DKK)

Quantity

Venue

Genmab A/S

21/05/2024

09:28:05

2,026.0000

39

XCSE

Genmab A/S

21/05/2024

09:28:05

2,025.0000

38

CEUX

Genmab A/S

21/05/2024

09:28:05

2,025.0000

2

CEUX

Genmab A/S

21/05/2024

09:37:02

2,020.0000

6

XCSE

Genmab A/S

21/05/2024

09:37:02

2,020.0000

29

XCSE

Genmab A/S

21/05/2024

09:39:27

2,019.0000

35

AQEU

Genmab A/S

21/05/2024

09:41:58

2,017.0000

36

CEUX

Genmab A/S

21/05/2024

09:41:58

2,017.0000

3

AQEU

Genmab A/S

21/05/2024

09:46:53

2,016.0000

34

XCSE

Genmab A/S

21/05/2024

09:46:54

2,015.0000

35

XCSE

Genmab A/S

21/05/2024

09:54:00

2,015.0000

37

CEUX

Genmab A/S

21/05/2024

09:56:01

2,013.0000

37

CEUX

Genmab A/S

21/05/2024

10:05:09

2,014.0000

34

XCSE

Genmab A/S

21/05/2024

10:05:09

2,014.0000

36

CEUX

Genmab A/S

21/05/2024

10:06:49

2,012.0000

39

XCSE

Genmab A/S

21/05/2024

10:12:24

2,010.0000

36

XCSE

Genmab A/S

21/05/2024

10:23:09

2,010.0000

35

XCSE

Genmab A/S

21/05/2024

10:23:09

2,010.0000

8

XCSE

Genmab A/S

21/05/2024

10:25:40

2,010.0000

3

CEUX

Genmab A/S

21/05/2024

10:25:40

2,010.0000

35

CEUX

Genmab A/S

21/05/2024

10:30:31

2,010.0000

35

XCSE

Genmab A/S

21/05/2024

10:36:30

2,010.0000

8

CEUX

Genmab A/S

21/05/2024

10:36:30

2,010.0000

28

CEUX

Genmab A/S

21/05/2024

10:40:04

2,012.0000

43

CEUX

Genmab A/S

21/05/2024

10:46:02

2,011.0000

38

XCSE

Genmab A/S

21/05/2024

10:51:25

2,010.0000

21

CEUX

Genmab A/S

21/05/2024

10:51:25

2,010.0000

7

CEUX

Genmab A/S

21/05/2024

10:51:25

2,010.0000

6

CEUX

Genmab A/S

21/05/2024

10:59:42

2,009.0000

77

XCSE

Genmab A/S

21/05/2024

10:59:42

2,009.0000

50

CEUX

Genmab A/S

21/05/2024

10:59:42

2,009.0000

19

CEUX

Genmab A/S

21/05/2024

10:59:42

2,009.0000

10

AQEU

Genmab A/S

21/05/2024

10:59:42

2,009.0000

11

TQEX

Genmab A/S

21/05/2024

11:03:57

2,010.0000

22

XCSE

Genmab A/S

21/05/2024

11:03:57

2,010.0000

22

XCSE

Genmab A/S

21/05/2024

11:03:57

2,010.0000

65

XCSE

Genmab A/S

21/05/2024

11:08:20

2,009.0000

2

TQEX

Genmab A/S

21/05/2024

11:08:20

2,009.0000

59

TQEX

1


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

11:08:21

2,009.0000

69

XCSE

Genmab A/S

21/05/2024

11:08:21

2,009.0000

8

TQEX

Genmab A/S

21/05/2024

11:12:25

2,008.0000

20

CEUX

Genmab A/S

21/05/2024

11:12:25

2,008.0000

46

CEUX

Genmab A/S

21/05/2024

11:12:25

2,008.0000

23

XCSE

Genmab A/S

21/05/2024

11:12:25

2,008.0000

1

XCSE

Genmab A/S

21/05/2024

11:12:25

2,008.0000

1

XCSE

Genmab A/S

21/05/2024

11:12:25

2,008.0000

1

XCSE

Genmab A/S

21/05/2024

11:12:27

2,008.0000

14

XCSE

Genmab A/S

21/05/2024

11:12:27

2,008.0000

23

XCSE

Genmab A/S

21/05/2024

11:17:10

2,007.0000

8

AQEU

Genmab A/S

21/05/2024

11:19:39

2,008.0000

48

CEUX

Genmab A/S

21/05/2024

11:19:39

2,008.0000

7

AQEU

Genmab A/S

21/05/2024

11:19:39

2,008.0000

5

TQEX

Genmab A/S

21/05/2024

11:19:39

2,008.0000

2

TQEX

Genmab A/S

21/05/2024

11:19:39

2,008.0000

46

XCSE

Genmab A/S

21/05/2024

11:19:39

2,008.0000

1

XCSE

Genmab A/S

21/05/2024

11:19:39

2,008.0000

1

XCSE

Genmab A/S

21/05/2024

11:19:39

2,008.0000

5

TQEX

Genmab A/S

21/05/2024

11:21:07

2,007.0000

14

CEUX

Genmab A/S

21/05/2024

11:21:07

2,007.0000

15

CEUX

Genmab A/S

21/05/2024

11:21:07

2,007.0000

1

XCSE

Genmab A/S

21/05/2024

11:21:07

2,007.0000

44

XCSE

Genmab A/S

21/05/2024

11:21:07

2,007.0000

10

CEUX

Genmab A/S

21/05/2024

11:21:07

2,007.0000

5

TQEX

Genmab A/S

21/05/2024

11:21:07

2,007.0000

1

CEUX

Genmab A/S

21/05/2024

11:27:13

2,007.0000

55

XCSE

Genmab A/S

21/05/2024

11:29:17

2,007.0000

57

XCSE

Genmab A/S

21/05/2024

11:29:17

2,007.0000

50

CEUX

Genmab A/S

21/05/2024

11:29:17

2,007.0000

2

CEUX

Genmab A/S

21/05/2024

11:29:17

2,007.0000

8

AQEU

Genmab A/S

21/05/2024

11:29:17

2,007.0000

8

TQEX

Genmab A/S

21/05/2024

11:32:26

2,009.0000

1

CEUX

Genmab A/S

21/05/2024

11:32:26

2,009.0000

50

CEUX

Genmab A/S

21/05/2024

11:32:26

2,009.0000

2

CEUX

Genmab A/S

21/05/2024

11:37:06

2,006.0000

40

CEUX

Genmab A/S

21/05/2024

11:37:06

2,006.0000

13

CEUX

Genmab A/S

21/05/2024

11:42:48

2,006.0000

35

CEUX

Genmab A/S

21/05/2024

11:42:48

2,006.0000

1

CEUX

Genmab A/S

21/05/2024

11:44:26

2,006.0000

37

CEUX

2


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

11:44:26

2,006.0000

3

CEUX

Genmab A/S

21/05/2024

11:47:55

2,010.0000

8

TQEX

Genmab A/S

21/05/2024

11:47:55

2,010.0000

50

TQEX

Genmab A/S

21/05/2024

11:47:55

2,010.0000

23

TQEX

Genmab A/S

21/05/2024

11:47:55

2,010.0000

1

TQEX

Genmab A/S

21/05/2024

11:49:49

2,013.0000

10

CEUX

Genmab A/S

21/05/2024

11:50:06

2,012.0000

8

XCSE

Genmab A/S

21/05/2024

11:50:06

2,012.0000

8

XCSE

Genmab A/S

21/05/2024

11:50:06

2,012.0000

35

XCSE

Genmab A/S

21/05/2024

11:52:18

2,014.0000

8

XCSE

Genmab A/S

21/05/2024

11:52:18

2,014.0000

32

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

9

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

1

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

8

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

4

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

6

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

4

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

10

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

10

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

10

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

1

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

1

AQEU

Genmab A/S

21/05/2024

11:53:11

2,015.0000

8

AQEU

Genmab A/S

21/05/2024

11:53:11

2,015.0000

2

TQEX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

11

TQEX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

4

TQEX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

3

TQEX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

9

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

9

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

9

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

5

XCSE

Genmab A/S

21/05/2024

11:53:11

2,015.0000

25

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

25

CEUX

Genmab A/S

21/05/2024

11:53:11

2,015.0000

1

CEUX

Genmab A/S

21/05/2024

11:53:28

2,014.0000

22

XCSE

Genmab A/S

21/05/2024

11:53:28

2,014.0000

22

XCSE

Genmab A/S

21/05/2024

11:53:28

2,014.0000

6

XCSE

Genmab A/S

21/05/2024

11:58:13

2,013.0000

53

CEUX

Genmab A/S

21/05/2024

12:02:16

2,012.0000

56

XCSE

Genmab A/S

21/05/2024

12:07:34

2,012.0000

9

AQEU

3


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

12:07:34

2,012.0000

45

CEUX

Genmab A/S

21/05/2024

12:07:34

2,012.0000

17

CEUX

Genmab A/S

21/05/2024

12:07:34

2,012.0000

10

TQEX

Genmab A/S

21/05/2024

12:07:34

2,012.0000

67

XCSE

Genmab A/S

21/05/2024

12:07:34

2,012.0000

2

XCSE

Genmab A/S

21/05/2024

12:07:57

2,011.0000

53

XCSE

Genmab A/S

21/05/2024

12:09:32

2,010.0000

47

CEUX

Genmab A/S

21/05/2024

12:15:26

2,008.0000

51

CEUX

Genmab A/S

21/05/2024

12:21:42

2,009.0000

13

XCSE

Genmab A/S

21/05/2024

12:21:42

2,009.0000

30

XCSE

Genmab A/S

21/05/2024

12:21:42

2,009.0000

39

CEUX

Genmab A/S

21/05/2024

12:21:42

2,009.0000

6

AQEU

Genmab A/S

21/05/2024

12:21:42

2,009.0000

6

TQEX

Genmab A/S

21/05/2024

12:22:52

2,009.0000

31

CEUX

Genmab A/S

21/05/2024

12:22:52

2,009.0000

59

CEUX

Genmab A/S

21/05/2024

12:29:27

2,008.0000

24

XCSE

Genmab A/S

21/05/2024

12:31:04

2,009.0000

47

CEUX

Genmab A/S

21/05/2024

12:31:04

2,009.0000

9

AQEU

Genmab A/S

21/05/2024

12:31:04

2,009.0000

10

TQEX

Genmab A/S

21/05/2024

12:31:33

2,009.0000

10

XCSE

Genmab A/S

21/05/2024

12:31:33

2,009.0000

60

XCSE

Genmab A/S

21/05/2024

12:31:33

2,009.0000

15

CEUX

Genmab A/S

21/05/2024

12:31:37

2,007.0000

43

XCSE

Genmab A/S

21/05/2024

12:31:37

2,007.0000

9

XCSE

Genmab A/S

21/05/2024

12:39:02

2,007.0000

19

CEUX

Genmab A/S

21/05/2024

12:39:02

2,007.0000

36

CEUX

Genmab A/S

21/05/2024

12:39:03

2,007.0000

50

XCSE

Genmab A/S

21/05/2024

12:39:07

2,006.0000

16

XCSE

Genmab A/S

21/05/2024

12:39:07

2,006.0000

39

XCSE

Genmab A/S

21/05/2024

12:45:23

2,008.0000

42

XCSE

Genmab A/S

21/05/2024

12:45:23

2,008.0000

22

XCSE

Genmab A/S

21/05/2024

12:45:25

2,008.0000

11

XCSE

Genmab A/S

21/05/2024

12:45:31

2,008.0000

17

XCSE

Genmab A/S

21/05/2024

12:50:03

2,009.0000

42

CEUX

Genmab A/S

21/05/2024

12:50:03

2,009.0000

6

AQEU

Genmab A/S

21/05/2024

12:50:03

2,009.0000

7

TQEX

Genmab A/S

21/05/2024

12:50:03

2,009.0000

36

XCSE

Genmab A/S

21/05/2024

12:50:03

2,009.0000

10

XCSE

Genmab A/S

21/05/2024

12:50:03

2,009.0000

25

XCSE

Genmab A/S

21/05/2024

12:50:03

2,009.0000

18

XCSE

4


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

12:50:03

2,009.0000

1

XCSE

Genmab A/S

21/05/2024

12:50:03

2,009.0000

6

XCSE

Genmab A/S

21/05/2024

12:59:53

2,008.0000

36

CEUX

Genmab A/S

21/05/2024

12:59:53

2,008.0000

1

AQEU

Genmab A/S

21/05/2024

13:01:32

2,008.0000

2

CEUX

Genmab A/S

21/05/2024

13:01:32

2,008.0000

14

CEUX

Genmab A/S

21/05/2024

13:01:32

2,008.0000

20

CEUX

Genmab A/S

21/05/2024

13:01:49

2,007.0000

42

CEUX

Genmab A/S

21/05/2024

13:01:49

2,007.0000

45

CEUX

Genmab A/S

21/05/2024

13:01:49

2,007.0000

4

TQEX

Genmab A/S

21/05/2024

13:01:49

2,007.0000

30

XCSE

Genmab A/S

21/05/2024

13:01:49

2,007.0000

1

XCSE

Genmab A/S

21/05/2024

13:04:01

2,007.0000

24

CEUX

Genmab A/S

21/05/2024

13:04:01

2,007.0000

46

CEUX

Genmab A/S

21/05/2024

13:04:01

2,007.0000

39

XCSE

Genmab A/S

21/05/2024

13:04:01

2,007.0000

7

XCSE

Genmab A/S

21/05/2024

13:10:43

2,007.0000

20

XCSE

Genmab A/S

21/05/2024

13:17:11

2,019.0000

36

CEUX

Genmab A/S

21/05/2024

13:17:11

2,019.0000

20

CEUX

Genmab A/S

21/05/2024

13:17:11

2,019.0000

23

AQEU

Genmab A/S

21/05/2024

13:17:11

2,019.0000

1

TQEX

Genmab A/S

21/05/2024

13:17:30

2,017.0000

49

XCSE

Genmab A/S

21/05/2024

13:17:31

2,017.0000

48

CEUX

Genmab A/S

21/05/2024

13:18:30

2,017.0000

53

XCSE

Genmab A/S

21/05/2024

13:18:30

2,016.0000

29

CEUX

Genmab A/S

21/05/2024

13:18:30

2,016.0000

25

CEUX

Genmab A/S

21/05/2024

13:27:33

2,016.0000

63

XCSE

Genmab A/S

21/05/2024

13:27:33

2,016.0000

1

CEUX

Genmab A/S

21/05/2024

13:27:33

2,016.0000

50

CEUX

Genmab A/S

21/05/2024

13:27:33

2,016.0000

5

CEUX

Genmab A/S

21/05/2024

13:27:33

2,016.0000

8

AQEU

Genmab A/S

21/05/2024

13:27:33

2,016.0000

9

TQEX

Genmab A/S

21/05/2024

13:27:33

2,015.0000

48

XCSE

Genmab A/S

21/05/2024

13:36:55

2,017.0000

5

CEUX

Genmab A/S

21/05/2024

13:36:55

2,017.0000

30

XCSE

Genmab A/S

21/05/2024

13:39:05

2,018.0000

35

CEUX

Genmab A/S

21/05/2024

13:39:59

2,017.0000

33

XCSE

Genmab A/S

21/05/2024

13:39:59

2,017.0000

3

XCSE

Genmab A/S

21/05/2024

13:39:59

2,017.0000

68

XCSE

Genmab A/S

21/05/2024

13:39:59

2,017.0000

62

CEUX

5


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

13:39:59

2,017.0000

9

AQEU

Genmab A/S

21/05/2024

13:39:59

2,017.0000

9

TQEX

Genmab A/S

21/05/2024

13:45:15

2,018.0000

11

CEUX

Genmab A/S

21/05/2024

13:45:15

2,018.0000

38

CEUX

Genmab A/S

21/05/2024

13:45:15

2,018.0000

53

XCSE

Genmab A/S

21/05/2024

13:45:15

2,018.0000

7

CEUX

Genmab A/S

21/05/2024

13:47:45

2,017.0000

51

CEUX

Genmab A/S

21/05/2024

13:47:45

2,017.0000

25

CEUX

Genmab A/S

21/05/2024

13:47:45

2,017.0000

3

CEUX

Genmab A/S

21/05/2024

13:47:45

2,017.0000

20

CEUX

Genmab A/S

21/05/2024

13:58:28

2,018.0000

41

XCSE

Genmab A/S

21/05/2024

14:00:16

2,018.0000

7

XCSE

Genmab A/S

21/05/2024

14:00:16

2,018.0000

59

XCSE

Genmab A/S

21/05/2024

14:01:15

2,018.0000

51

XCSE

Genmab A/S

21/05/2024

14:04:29

2,019.0000

18

XCSE

Genmab A/S

21/05/2024

14:04:29

2,019.0000

44

XCSE

Genmab A/S

21/05/2024

14:04:29

2,019.0000

43

CEUX

Genmab A/S

21/05/2024

14:09:08

2,019.0000

18

XCSE

Genmab A/S

21/05/2024

14:09:08

2,019.0000

7

XCSE

Genmab A/S

21/05/2024

14:09:15

2,019.0000

14

TQEX

Genmab A/S

21/05/2024

14:11:02

2,020.0000

19

CEUX

Genmab A/S

21/05/2024

14:12:48

2,021.0000

59

CEUX

Genmab A/S

21/05/2024

14:12:48

2,021.0000

9

AQEU

Genmab A/S

21/05/2024

14:12:48

2,021.0000

9

TQEX

Genmab A/S

21/05/2024

14:12:48

2,021.0000

65

XCSE

Genmab A/S

21/05/2024

14:20:13

2,017.0000

45

CEUX

Genmab A/S

21/05/2024

14:20:13

2,017.0000

39

XCSE

Genmab A/S

21/05/2024

14:20:13

2,017.0000

8

XCSE

Genmab A/S

21/05/2024

14:20:13

2,017.0000

42

XCSE

Genmab A/S

21/05/2024

14:20:13

2,017.0000

4

XCSE

Genmab A/S

21/05/2024

14:29:16

2,016.0000

32

XCSE

Genmab A/S

21/05/2024

14:29:16

2,016.0000

32

XCSE

Genmab A/S

21/05/2024

14:29:16

2,016.0000

32

XCSE

Genmab A/S

21/05/2024

14:29:53

2,015.0000

52

CEUX

Genmab A/S

21/05/2024

14:33:02

2,015.0000

52

CEUX

Genmab A/S

21/05/2024

14:34:02

2,014.0000

52

CEUX

Genmab A/S

21/05/2024

14:37:31

2,013.0000

20

XCSE

Genmab A/S

21/05/2024

14:37:37

2,013.0000

20

XCSE

Genmab A/S

21/05/2024

14:38:02

2,013.0000

9

XCSE

Genmab A/S

21/05/2024

14:38:11

2,013.0000

57

CEUX

6


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

14:42:19

2,011.0000

20

XCSE

Genmab A/S

21/05/2024

14:42:19

2,012.0000

55

CEUX

Genmab A/S

21/05/2024

14:42:19

2,012.0000

54

CEUX

Genmab A/S

21/05/2024

14:50:05

2,017.0000

46

CEUX

Genmab A/S

21/05/2024

14:50:05

2,017.0000

6

CEUX

Genmab A/S

21/05/2024

14:50:05

2,017.0000

47

XCSE

Genmab A/S

21/05/2024

14:50:05

2,017.0000

4

XCSE

Genmab A/S

21/05/2024

14:50:05

2,017.0000

24

XCSE

Genmab A/S

21/05/2024

14:50:05

2,017.0000

16

XCSE

Genmab A/S

21/05/2024

14:56:55

2,016.0000

1

TQEX

Genmab A/S

21/05/2024

14:56:55

2,016.0000

9

XCSE

Genmab A/S

21/05/2024

14:56:55

2,016.0000

25

XCSE

Genmab A/S

21/05/2024

14:56:55

2,016.0000

3

XCSE

Genmab A/S

21/05/2024

14:58:01

2,015.0000

2

CEUX

Genmab A/S

21/05/2024

14:58:01

2,015.0000

43

CEUX

Genmab A/S

21/05/2024

14:58:01

2,015.0000

54

CEUX

Genmab A/S

21/05/2024

14:58:01

2,015.0000

7

AQEU

Genmab A/S

21/05/2024

14:58:01

2,015.0000

1

TQEX

Genmab A/S

21/05/2024

14:58:01

2,015.0000

5

TQEX

Genmab A/S

21/05/2024

14:58:01

2,015.0000

49

XCSE

Genmab A/S

21/05/2024

15:02:30

2,013.0000

14

CEUX

Genmab A/S

21/05/2024

15:02:30

2,013.0000

35

CEUX

Genmab A/S

21/05/2024

15:04:29

2,014.0000

3

XCSE

Genmab A/S

21/05/2024

15:04:29

2,014.0000

18

XCSE

Genmab A/S

21/05/2024

15:06:47

2,015.0000

12

XCSE

Genmab A/S

21/05/2024

15:06:47

2,015.0000

29

XCSE

Genmab A/S

21/05/2024

15:06:47

2,015.0000

11

XCSE

Genmab A/S

21/05/2024

15:06:47

2,015.0000

30

XCSE

Genmab A/S

21/05/2024

15:09:31

2,015.0000

22

CEUX

Genmab A/S

21/05/2024

15:09:34

2,015.0000

34

CEUX

Genmab A/S

21/05/2024

15:12:58

2,015.0000

5

CEUX

Genmab A/S

21/05/2024

15:12:58

2,015.0000

22

XCSE

Genmab A/S

21/05/2024

15:12:58

2,015.0000

36

CEUX

Genmab A/S

21/05/2024

15:12:58

2,015.0000

25

CEUX

Genmab A/S

21/05/2024

15:18:45

2,015.0000

27

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

27

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

2

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

27

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

13

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

8

XCSE

7


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

15:18:45

2,015.0000

19

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

20

XCSE

Genmab A/S

21/05/2024

15:18:45

2,015.0000

11

CEUX

Genmab A/S

21/05/2024

15:19:51

2,014.0000

53

XCSE

Genmab A/S

21/05/2024

15:21:45

2,015.0000

15

CEUX

Genmab A/S

21/05/2024

15:21:45

2,015.0000

42

CEUX

Genmab A/S

21/05/2024

15:25:15

2,017.0000

29

XCSE

Genmab A/S

21/05/2024

15:25:15

2,017.0000

45

XCSE

Genmab A/S

21/05/2024

15:28:56

2,018.0000

87

XCSE

Genmab A/S

21/05/2024

15:31:14

2,017.0000

3

XCSE

Genmab A/S

21/05/2024

15:31:14

2,017.0000

19

XCSE

Genmab A/S

21/05/2024

15:31:14

2,017.0000

20

CEUX

Genmab A/S

21/05/2024

15:31:14

2,017.0000

20

CEUX

Genmab A/S

21/05/2024

15:31:14

2,017.0000

16

CEUX

Genmab A/S

21/05/2024

15:31:14

2,017.0000

3

AQEU

Genmab A/S

21/05/2024

15:31:14

2,017.0000

14

AQEU

Genmab A/S

21/05/2024

15:31:14

2,017.0000

3

AQEU

Genmab A/S

21/05/2024

15:31:14

2,017.0000

19

AQEU

Genmab A/S

21/05/2024

15:31:14

2,017.0000

5

TQEX

Genmab A/S

21/05/2024

15:31:14

2,017.0000

13

TQEX

Genmab A/S

21/05/2024

15:31:14

2,017.0000

8

AQEU

Genmab A/S

21/05/2024

15:31:14

2,017.0000

36

CEUX

Genmab A/S

21/05/2024

15:31:14

2,017.0000

15

CEUX

Genmab A/S

21/05/2024

15:33:42

2,018.0000

26

XCSE

Genmab A/S

21/05/2024

15:33:42

2,018.0000

19

XCSE

Genmab A/S

21/05/2024

15:33:42

2,018.0000

47

XCSE

Genmab A/S

21/05/2024

15:33:42

2,018.0000

27

CEUX

Genmab A/S

21/05/2024

15:33:42

2,018.0000

20

CEUX

Genmab A/S

21/05/2024

15:33:42

2,018.0000

8

CEUX

Genmab A/S

21/05/2024

15:33:42

2,018.0000

31

XCSE

Genmab A/S

21/05/2024

15:33:42

2,018.0000

14

AQEU

Genmab A/S

21/05/2024

15:33:42

2,018.0000

14

XCSE

Genmab A/S

21/05/2024

15:37:17

2,017.0000

6

CEUX

Genmab A/S

21/05/2024

15:37:17

2,017.0000

2

CEUX

Genmab A/S

21/05/2024

15:37:17

2,017.0000

12

CEUX

Genmab A/S

21/05/2024

15:37:21

2,017.0000

58

CEUX

Genmab A/S

21/05/2024

15:43:03

2,017.0000

19

CEUX

Genmab A/S

21/05/2024

15:43:03

2,017.0000

29

CEUX

Genmab A/S

21/05/2024

15:43:03

2,017.0000

35

CEUX

Genmab A/S

21/05/2024

15:43:37

2,015.0000

82

XCSE

8


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

15:43:37

2,015.0000

78

XCSE

Genmab A/S

21/05/2024

15:48:10

2,015.0000

68

XCSE

Genmab A/S

21/05/2024

15:52:45

2,018.0000

3

CEUX

Genmab A/S

21/05/2024

15:52:45

2,018.0000

58

CEUX

Genmab A/S

21/05/2024

15:52:45

2,018.0000

9

AQEU

Genmab A/S

21/05/2024

15:52:45

2,018.0000

5

TQEX

Genmab A/S

21/05/2024

15:52:45

2,018.0000

4

TQEX

Genmab A/S

21/05/2024

15:52:45

2,018.0000

67

XCSE

Genmab A/S

21/05/2024

15:54:55

2,017.0000

18

CEUX

Genmab A/S

21/05/2024

15:58:04

2,018.0000

2

CEUX

Genmab A/S

21/05/2024

15:58:04

2,018.0000

1

AQEU

Genmab A/S

21/05/2024

15:58:04

2,018.0000

27

AQEU

Genmab A/S

21/05/2024

15:58:48

2,018.0000

10

XCSE

Genmab A/S

21/05/2024

15:58:48

2,018.0000

25

XCSE

Genmab A/S

21/05/2024

15:59:29

2,018.0000

8

AQEU

Genmab A/S

21/05/2024

15:59:29

2,018.0000

25

AQEU

Genmab A/S

21/05/2024

15:59:29

2,018.0000

2

TQEX

Genmab A/S

21/05/2024

15:59:34

2,017.0000

10

XCSE

Genmab A/S

21/05/2024

15:59:34

2,017.0000

55

XCSE

Genmab A/S

21/05/2024

15:59:34

2,017.0000

63

XCSE

Genmab A/S

21/05/2024

15:59:34

2,017.0000

41

CEUX

Genmab A/S

21/05/2024

15:59:34

2,017.0000

57

CEUX

Genmab A/S

21/05/2024

15:59:34

2,017.0000

9

TQEX

Genmab A/S

21/05/2024

15:59:34

2,017.0000

9

TQEX

Genmab A/S

21/05/2024

15:59:34

2,017.0000

9

CEUX

Genmab A/S

21/05/2024

15:59:34

2,017.0000

8

CEUX

Genmab A/S

21/05/2024

16:02:59

2,018.0000

38

CEUX

Genmab A/S

21/05/2024

16:02:59

2,018.0000

6

AQEU

Genmab A/S

21/05/2024

16:02:59

2,018.0000

6

TQEX

Genmab A/S

21/05/2024

16:02:59

2,018.0000

11

XCSE

Genmab A/S

21/05/2024

16:02:59

2,018.0000

32

XCSE

Genmab A/S

21/05/2024

16:02:59

2,017.0000

7

XCSE

Genmab A/S

21/05/2024

16:02:59

2,017.0000

35

XCSE

Genmab A/S

21/05/2024

16:02:59

2,017.0000

38

CEUX

Genmab A/S

21/05/2024

16:02:59

2,017.0000

60

CEUX

Genmab A/S

21/05/2024

16:03:00

2,017.0000

12

CEUX

Genmab A/S

21/05/2024

16:07:13

2,016.0000

46

XCSE

Genmab A/S

21/05/2024

16:07:13

2,016.0000

7

XCSE

Genmab A/S

21/05/2024

16:07:13

2,016.0000

36

XCSE

Genmab A/S

21/05/2024

16:07:13

2,016.0000

46

XCSE

9


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

16:07:13

2,016.0000

18

XCSE

Genmab A/S

21/05/2024

16:07:13

2,016.0000

25

XCSE

Genmab A/S

21/05/2024

16:07:13

2,016.0000

1

XCSE

Genmab A/S

21/05/2024

16:07:14

2,016.0000

13

CEUX

Genmab A/S

21/05/2024

16:07:14

2,016.0000

1

XCSE

Genmab A/S

21/05/2024

16:13:15

2,014.0000

73

AQEU

Genmab A/S

21/05/2024

16:14:52

2,015.0000

3

CEUX

Genmab A/S

21/05/2024

16:16:32

2,015.0000

18

CEUX

Genmab A/S

21/05/2024

16:16:32

2,015.0000

9

CEUX

Genmab A/S

21/05/2024

16:21:03

2,016.0000

15

CEUX

Genmab A/S

21/05/2024

16:21:03

2,016.0000

11

CEUX

Genmab A/S

21/05/2024

16:21:03

2,016.0000

5

AQEU

Genmab A/S

21/05/2024

16:21:03

2,016.0000

23

AQEU

Genmab A/S

21/05/2024

16:21:03

2,016.0000

14

AQEU

Genmab A/S

21/05/2024

16:21:03

2,016.0000

3

TQEX

Genmab A/S

21/05/2024

16:21:03

2,016.0000

8

TQEX

Genmab A/S

21/05/2024

16:21:03

2,016.0000

3

XCSE

Genmab A/S

21/05/2024

16:21:30

2,016.0000

4

CEUX

Genmab A/S

21/05/2024

16:21:30

2,016.0000

12

AQEU

Genmab A/S

21/05/2024

16:21:30

2,016.0000

8

AQEU

Genmab A/S

21/05/2024

16:21:30

2,016.0000

14

AQEU

Genmab A/S

21/05/2024

16:22:27

2,016.0000

25

CEUX

Genmab A/S

21/05/2024

16:22:27

2,016.0000

1

CEUX

Genmab A/S

21/05/2024

16:22:27

2,016.0000

9

XCSE

Genmab A/S

21/05/2024

16:23:04

2,016.0000

21

CEUX

Genmab A/S

21/05/2024

16:23:04

2,016.0000

16

CEUX

Genmab A/S

21/05/2024

16:24:06

2,016.0000

37

XCSE

Genmab A/S

21/05/2024

16:24:29

2,015.0000

70

CEUX

Genmab A/S

21/05/2024

16:24:29

2,015.0000

5

CEUX

Genmab A/S

21/05/2024

16:24:29

2,015.0000

11

AQEU

Genmab A/S

21/05/2024

16:24:29

2,015.0000

12

TQEX

Genmab A/S

21/05/2024

16:24:29

2,015.0000

84

XCSE

Genmab A/S

21/05/2024

16:24:29

2,014.0000

9

XCSE

Genmab A/S

21/05/2024

16:24:29

2,014.0000

5

TQEX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

20

CEUX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

11

XCSE

Genmab A/S

21/05/2024

16:24:29

2,014.0000

10

XCSE

Genmab A/S

21/05/2024

16:24:29

2,014.0000

20

CEUX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

2

AQEU

Genmab A/S

21/05/2024

16:24:29

2,014.0000

6

XCSE

10


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

16:24:29

2,014.0000

14

XCSE

Genmab A/S

21/05/2024

16:24:29

2,014.0000

20

XCSE

Genmab A/S

21/05/2024

16:24:29

2,014.0000

20

CEUX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

5

CEUX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

2

AQEU

Genmab A/S

21/05/2024

16:24:29

2,014.0000

2

AQEU

Genmab A/S

21/05/2024

16:24:29

2,014.0000

5

TQEX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

47

CEUX

Genmab A/S

21/05/2024

16:24:29

2,014.0000

17

CEUX

Genmab A/S

21/05/2024

16:29:48

2,009.0000

86

CEUX

Genmab A/S

21/05/2024

16:33:28

2,009.0000

9

CEUX

Genmab A/S

21/05/2024

16:33:28

2,009.0000

56

CEUX

Genmab A/S

21/05/2024

16:33:28

2,009.0000

9

AQEU

Genmab A/S

21/05/2024

16:33:28

2,009.0000

2

TQEX

Genmab A/S

21/05/2024

16:33:28

2,009.0000

7

TQEX

Genmab A/S

21/05/2024

16:33:28

2,009.0000

22

XCSE

Genmab A/S

21/05/2024

16:33:28

2,009.0000

50

XCSE

Genmab A/S

21/05/2024

16:36:05

2,010.0000

8

CEUX

Genmab A/S

21/05/2024

16:36:06

2,010.0000

36

CEUX

Genmab A/S

21/05/2024

16:36:06

2,010.0000

49

XCSE

Genmab A/S

21/05/2024

16:36:06

2,010.0000

9

TQEX

Genmab A/S

21/05/2024

16:36:06

2,010.0000

4

TQEX

Genmab A/S

21/05/2024

16:38:00

2,009.0000

6

AQEU

Genmab A/S

21/05/2024

16:38:00

2,009.0000

7

TQEX

Genmab A/S

21/05/2024

16:38:00

2,009.0000

7

TQEX

Genmab A/S

21/05/2024

16:39:31

2,009.0000

48

XCSE

Genmab A/S

21/05/2024

16:39:31

2,009.0000

7

TQEX

Genmab A/S

21/05/2024

16:39:31

2,009.0000

1

XCSE

Genmab A/S

21/05/2024

16:39:31

2,009.0000

48

CEUX

Genmab A/S

21/05/2024

16:40:41

2,010.0000

39

CEUX

Genmab A/S

21/05/2024

16:40:41

2,010.0000

40

CEUX

Genmab A/S

21/05/2024

16:40:41

2,010.0000

12

AQEU

Genmab A/S

21/05/2024

16:40:41

2,010.0000

12

TQEX

Genmab A/S

21/05/2024

16:40:41

2,010.0000

50

XCSE

Genmab A/S

21/05/2024

16:40:41

2,010.0000

21

XCSE

Genmab A/S

21/05/2024

16:40:41

2,010.0000

18

XCSE

Genmab A/S

21/05/2024

16:43:52

2,008.0000

48

XCSE

Genmab A/S

21/05/2024

16:43:52

2,008.0000

43

CEUX

Genmab A/S

21/05/2024

16:43:52

2,008.0000

2

AQEU

Genmab A/S

21/05/2024

16:43:52

2,008.0000

4

AQEU

11


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

21/05/2024

16:43:52

2,008.0000

7

TQEX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

127

CEUX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

65

CEUX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

62

CEUX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

34

CEUX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

18

AQEU

Genmab A/S

21/05/2024

16:45:47

2,008.0000

18

AQEU

Genmab A/S

21/05/2024

16:45:47

2,008.0000

4

AQEU

Genmab A/S

21/05/2024

16:45:47

2,008.0000

20

TQEX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

20

TQEX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

5

TQEX

Genmab A/S

21/05/2024

16:45:47

2,008.0000

142

XCSE

Genmab A/S

21/05/2024

16:45:47

2,008.0000

142

XCSE

Genmab A/S

21/05/2024

16:45:47

2,008.0000

25

XCSE

Genmab A/S

21/05/2024

16:45:47

2,008.0000

12

XCSE

Genmab A/S

21/05/2024

16:48:32

2,005.0000

6

CEUX

Genmab A/S

21/05/2024

16:48:32

2,005.0000

3

AQEU

Genmab A/S

21/05/2024

16:48:32

2,005.0000

5

TQEX

Genmab A/S

21/05/2024

16:48:33

2,005.0000

14

CEUX

Genmab A/S

21/05/2024

16:48:33

2,005.0000

3

AQEU

Genmab A/S

21/05/2024

16:48:33

2,005.0000

5

TQEX

Genmab A/S

21/05/2024

16:52:08

2,008.0000

26

TQEX

Genmab A/S

21/05/2024

16:52:08

2,008.0000

170

CEUX

Genmab A/S

21/05/2024

16:52:08

2,008.0000

24

AQEU

Genmab A/S

21/05/2024

16:52:08

2,008.0000

190

XCSE

Genmab A/S

21/05/2024

16:52:08

2,008.0000

26

XCSE

Genmab A/S

21/05/2024

16:52:08

2,008.0000

3

CEUX

Genmab A/S

21/05/2024

16:52:08

2,008.0000

8

AQEU

Genmab A/S

21/05/2024

16:52:08

2,008.0000

27

CEUX

Genmab A/S

21/05/2024

16:52:08

2,008.0000

6

AQEU

Genmab A/S

21/05/2024

16:52:08

2,008.0000

3

AQEU

Genmab A/S

21/05/2024

16:52:08

2,008.0000

15

AQEU

Genmab A/S

21/05/2024

16:52:08

2,008.0000

14

AQEU

Genmab A/S

22/05/2024

09:00:06

2,003.0000

49

XCSE

Genmab A/S

22/05/2024

09:00:06

2,003.0000

51

XCSE

Genmab A/S

22/05/2024

09:00:06

2,003.0000

49

XCSE

Genmab A/S

22/05/2024

09:00:06

2,003.0000

51

XCSE

Genmab A/S

22/05/2024

09:00:06

2,003.0000

49

XCSE

Genmab A/S

22/05/2024

09:00:06

2,003.0000

51

XCSE

Genmab A/S

22/05/2024

09:00:06

2,003.0000

49

XCSE

12


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:00:06

2,003.0000

51

XCSE

Genmab A/S

22/05/2024

09:00:07

2,003.0000

49

XCSE

Genmab A/S

22/05/2024

09:00:07

2,003.0000

51

XCSE

Genmab A/S

22/05/2024

09:00:07

2,003.0000

40

XCSE

Genmab A/S

22/05/2024

09:00:07

2,003.0000

44

XCSE

Genmab A/S

22/05/2024

09:00:08

2,000.0000

21

CEUX

Genmab A/S

22/05/2024

09:00:08

2,000.0000

21

CEUX

Genmab A/S

22/05/2024

09:00:08

2,000.0000

17

CEUX

Genmab A/S

22/05/2024

09:00:09

2,000.0000

23

XCSE

Genmab A/S

22/05/2024

09:00:09

2,000.0000

23

XCSE

Genmab A/S

22/05/2024

09:00:09

2,000.0000

19

XCSE

Genmab A/S

22/05/2024

09:01:04

1,993.5000

39

CEUX

Genmab A/S

22/05/2024

09:01:40

1,995.0000

51

XCSE

Genmab A/S

22/05/2024

09:01:40

1,995.0000

51

XCSE

Genmab A/S

22/05/2024

09:01:40

1,995.0000

22

XCSE

Genmab A/S

22/05/2024

09:06:23

2,000.0000

42

CEUX

Genmab A/S

22/05/2024

09:06:23

1,999.0000

19

XCSE

Genmab A/S

22/05/2024

09:06:23

1,999.0000

19

XCSE

Genmab A/S

22/05/2024

09:06:23

1,999.0000

19

CEUX

Genmab A/S

22/05/2024

09:06:23

1,999.0000

3

AQEU

Genmab A/S

22/05/2024

09:06:23

1,999.0000

5

TQEX

Genmab A/S

22/05/2024

09:06:23

1,999.0000

3

XCSE

Genmab A/S

22/05/2024

09:07:38

1,998.5000

23

XCSE

Genmab A/S

22/05/2024

09:07:44

1,998.0000

24

XCSE

Genmab A/S

22/05/2024

09:07:44

1,998.0000

24

XCSE

Genmab A/S

22/05/2024

09:07:44

1,998.0000

25

XCSE

Genmab A/S

22/05/2024

09:07:44

1,998.0000

49

XCSE

Genmab A/S

22/05/2024

09:07:44

1,998.0000

8

XCSE

Genmab A/S

22/05/2024

09:07:44

1,996.5000

46

XCSE

Genmab A/S

22/05/2024

09:07:44

1,996.5000

46

XCSE

Genmab A/S

22/05/2024

09:07:45

1,996.5000

46

XCSE

Genmab A/S

22/05/2024

09:07:45

1,996.5000

11

XCSE

Genmab A/S

22/05/2024

09:08:07

1,994.0000

24

XCSE

Genmab A/S

22/05/2024

09:08:07

1,994.0000

33

XCSE

Genmab A/S

22/05/2024

09:08:07

1,994.0000

22

CEUX

Genmab A/S

22/05/2024

09:08:07

1,994.0000

4

TQEX

Genmab A/S

22/05/2024

09:10:20

1,999.5000

58

XCSE

Genmab A/S

22/05/2024

09:10:20

1,999.5000

52

CEUX

Genmab A/S

22/05/2024

09:10:20

1,999.5000

8

XCSE

Genmab A/S

22/05/2024

09:11:20

2,004.0000

12

XCSE

13


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:11:20

2,004.0000

14

XCSE

Genmab A/S

22/05/2024

09:11:20

2,004.0000

36

XCSE

Genmab A/S

22/05/2024

09:11:20

2,004.0000

13

XCSE

Genmab A/S

22/05/2024

09:11:20

2,004.0000

13

XCSE

Genmab A/S

22/05/2024

09:11:20

2,004.0000

19

XCSE

Genmab A/S

22/05/2024

09:13:25

2,006.0000

20

XCSE

Genmab A/S

22/05/2024

09:13:25

2,006.0000

20

XCSE

Genmab A/S

22/05/2024

09:13:25

2,006.0000

19

CEUX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

8

CEUX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

2

AQEU

Genmab A/S

22/05/2024

09:13:25

2,006.0000

8

AQEU

Genmab A/S

22/05/2024

09:13:25

2,006.0000

20

XCSE

Genmab A/S

22/05/2024

09:13:25

2,006.0000

5

TQEX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

8

TQEX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

19

CEUX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

19

CEUX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

2

AQEU

Genmab A/S

22/05/2024

09:13:25

2,006.0000

2

AQEU

Genmab A/S

22/05/2024

09:13:25

2,006.0000

5

TQEX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

5

TQEX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

2

CEUX

Genmab A/S

22/05/2024

09:13:25

2,006.0000

11

XCSE

Genmab A/S

22/05/2024

09:13:25

2,006.0000

44

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

23

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

8

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

43

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

8

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

15

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

8

AQEU

Genmab A/S

22/05/2024

09:14:23

2,006.0000

17

CEUX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

7

TQEX

Genmab A/S

22/05/2024

09:14:23

2,006.0000

57

XCSE

Genmab A/S

22/05/2024

09:16:01

2,006.0000

8

XCSE

Genmab A/S

22/05/2024

09:16:01

2,006.0000

5

XCSE

Genmab A/S

22/05/2024

09:16:01

2,006.0000

8

XCSE

Genmab A/S

22/05/2024

09:16:01

2,006.0000

8

XCSE

Genmab A/S

22/05/2024

09:16:01

2,006.0000

12

XCSE

Genmab A/S

22/05/2024

09:16:01

2,006.0000

5

TQEX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

3

CEUX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

6

CEUX

14


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:16:01

2,006.0000

6

CEUX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

3

CEUX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

2

AQEU

Genmab A/S

22/05/2024

09:16:01

2,006.0000

2

TQEX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

3

TQEX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

5

TQEX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

24

CEUX

Genmab A/S

22/05/2024

09:16:01

2,006.0000

24

CEUX

Genmab A/S

22/05/2024

09:16:01

2,005.0000

11

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

40

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

47

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

6

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

45

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

42

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

5

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

26

XCSE

Genmab A/S

22/05/2024

09:16:01

2,005.0000

1

XCSE

Genmab A/S

22/05/2024

09:19:46

2,010.0000

9

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

45

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

45

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

7

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

2

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

1

AQEU

Genmab A/S

22/05/2024

09:20:06

2,010.0000

5

TQEX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

5

TQEX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

CEUX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

4

TQEX

Genmab A/S

22/05/2024

09:20:06

2,010.0000

2

CEUX

15


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:20:06

2,010.0000

9

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

6

XCSE

Genmab A/S

22/05/2024

09:20:06

2,010.0000

67

XCSE

Genmab A/S

22/05/2024

09:20:07

2,010.0000

24

CEUX

Genmab A/S

22/05/2024

09:20:07

2,010.0000

24

CEUX

Genmab A/S

22/05/2024

09:25:33

2,010.0000

25

XCSE

Genmab A/S

22/05/2024

09:25:33

2,010.0000

42

XCSE

Genmab A/S

22/05/2024

09:25:33

2,010.0000

25

XCSE

Genmab A/S

22/05/2024

09:25:33

2,010.0000

17

XCSE

Genmab A/S

22/05/2024

09:25:33

2,010.0000

8

XCSE

Genmab A/S

22/05/2024

09:26:40

2,006.0000

42

XCSE

Genmab A/S

22/05/2024

09:26:40

2,006.0000

37

CEUX

Genmab A/S

22/05/2024

09:26:40

2,006.0000

38

CEUX

Genmab A/S

22/05/2024

09:26:40

2,006.0000

6

AQEU

Genmab A/S

22/05/2024

09:26:40

2,006.0000

6

TQEX

Genmab A/S

22/05/2024

09:29:19

2,008.0000

37

CEUX

Genmab A/S

22/05/2024

09:29:19

2,008.0000

87

XCSE

Genmab A/S

22/05/2024

09:29:19

2,008.0000

46

XCSE

Genmab A/S

22/05/2024

09:32:34

2,004.0000

18

XCSE

Genmab A/S

22/05/2024

09:32:34

2,004.0000

9

CEUX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

4

CEUX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

3

CEUX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

3

CEUX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

19

CEUX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

2

CEUX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

3

AQEU

Genmab A/S

22/05/2024

09:32:34

2,004.0000

5

TQEX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

5

TQEX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

5

TQEX

Genmab A/S

22/05/2024

09:32:34

2,004.0000

45

XCSE

Genmab A/S

22/05/2024

09:32:34

2,004.0000

6

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

1

AQEU

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

16


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

3

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

1

AQEU

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

09:37:56

2,016.0000

36

CEUX

Genmab A/S

22/05/2024

09:37:56

2,016.0000

2

AQEU

Genmab A/S

22/05/2024

09:37:57

2,014.0000

44

XCSE

Genmab A/S

22/05/2024

09:37:57

2,014.0000

44

XCSE

Genmab A/S

22/05/2024

09:37:57

2,014.0000

17

XCSE

Genmab A/S

22/05/2024

09:37:57

2,014.0000

2

XCSE

Genmab A/S

22/05/2024

09:37:57

2,014.0000

8

XCSE

Genmab A/S

22/05/2024

09:37:58

2,014.0000

17

XCSE

Genmab A/S

22/05/2024

09:41:17

2,015.0000

25

XCSE

Genmab A/S

22/05/2024

09:41:17

2,015.0000

25

XCSE

Genmab A/S

22/05/2024

09:41:17

2,015.0000

56

XCSE

Genmab A/S

22/05/2024

09:41:17

2,015.0000

21

XCSE

Genmab A/S

22/05/2024

09:41:17

2,015.0000

21

XCSE

Genmab A/S

22/05/2024

09:41:17

2,015.0000

21

XCSE

Genmab A/S

22/05/2024

09:41:18

2,015.0000

21

XCSE

Genmab A/S

22/05/2024

09:41:18

2,015.0000

21

XCSE

Genmab A/S

22/05/2024

09:41:18

2,015.0000

6

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

23

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

9

XCSE

17


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:41:18

2,014.0000

40

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

23

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

17

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

34

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

11

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

29

XCSE

Genmab A/S

22/05/2024

09:41:18

2,014.0000

34

XCSE

Genmab A/S

22/05/2024

09:49:18

2,012.0000

19

XCSE

Genmab A/S

22/05/2024

09:49:18

2,012.0000

20

XCSE

Genmab A/S

22/05/2024

09:49:18

2,013.0000

70

XCSE

Genmab A/S

22/05/2024

09:49:18

2,013.0000

167

XCSE

Genmab A/S

22/05/2024

09:49:18

2,013.0000

124

CEUX

Genmab A/S

22/05/2024

09:49:18

2,013.0000

21

CEUX

Genmab A/S

22/05/2024

09:49:18

2,013.0000

5

CEUX

Genmab A/S

22/05/2024

09:49:18

2,013.0000

21

AQEU

Genmab A/S

22/05/2024

09:49:18

2,013.0000

23

TQEX

Genmab A/S

22/05/2024

09:53:17

2,014.0000

18

XCSE

Genmab A/S

22/05/2024

09:53:17

2,014.0000

18

CEUX

Genmab A/S

22/05/2024

09:53:17

2,014.0000

2

AQEU

Genmab A/S

22/05/2024

09:53:17

2,014.0000

18

XCSE

Genmab A/S

22/05/2024

09:53:17

2,014.0000

4

XCSE

Genmab A/S

22/05/2024

09:55:28

2,025.0000

80

XCSE

Genmab A/S

22/05/2024

09:55:43

2,021.0000

43

XCSE

Genmab A/S

22/05/2024

09:55:43

2,021.0000

43

XCSE

Genmab A/S

22/05/2024

09:55:43

2,021.0000

43

XCSE

Genmab A/S

22/05/2024

09:55:43

2,020.0000

44

CEUX

Genmab A/S

22/05/2024

09:55:43

2,019.0000

18

CEUX

Genmab A/S

22/05/2024

09:55:43

2,019.0000

3

AQEU

Genmab A/S

22/05/2024

09:55:43

2,019.0000

5

TQEX

Genmab A/S

22/05/2024

09:55:43

2,020.0000

44

CEUX

Genmab A/S

22/05/2024

09:55:43

2,021.0000

2

XCSE

Genmab A/S

22/05/2024

09:55:43

2,019.0000

17

XCSE

Genmab A/S

22/05/2024

09:55:43

2,019.0000

17

XCSE

Genmab A/S

22/05/2024

09:55:43

2,020.0000

8

XCSE

Genmab A/S

22/05/2024

09:55:43

2,020.0000

43

XCSE

Genmab A/S

22/05/2024

09:55:43

2,020.0000

13

XCSE

Genmab A/S

22/05/2024

09:55:43

2,020.0000

21

XCSE

Genmab A/S

22/05/2024

09:55:43

2,020.0000

43

XCSE

Genmab A/S

22/05/2024

09:55:43

2,019.0000

5

XCSE

Genmab A/S

22/05/2024

09:55:43

2,019.0000

8

AQEU

18


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

09:55:43

2,019.0000

43

AQEU

Genmab A/S

22/05/2024

09:55:43

2,019.0000

6

AQEU

Genmab A/S

22/05/2024

09:59:53

2,014.0000

53

CEUX

Genmab A/S

22/05/2024

09:59:53

2,014.0000

19

CEUX

Genmab A/S

22/05/2024

09:59:53

2,014.0000

8

AQEU

Genmab A/S

22/05/2024

09:59:53

2,013.0000

51

XCSE

Genmab A/S

22/05/2024

09:59:53

2,013.0000

53

XCSE

Genmab A/S

22/05/2024

10:01:48

2,008.0000

10

XCSE

Genmab A/S

22/05/2024

10:01:48

2,008.0000

20

XCSE

Genmab A/S

22/05/2024

10:01:48

2,008.0000

20

XCSE

Genmab A/S

22/05/2024

10:01:48

2,008.0000

3

XCSE

Genmab A/S

22/05/2024

10:05:07

2,011.0000

42

XCSE

Genmab A/S

22/05/2024

10:05:07

2,011.0000

42

XCSE

Genmab A/S

22/05/2024

10:07:27

2,013.0000

53

XCSE

Genmab A/S

22/05/2024

10:07:27

2,013.0000

75

XCSE

Genmab A/S

22/05/2024

10:07:27

2,012.0000

25

XCSE

Genmab A/S

22/05/2024

10:07:27

2,012.0000

25

XCSE

Genmab A/S

22/05/2024

10:07:27

2,012.0000

59

XCSE

Genmab A/S

22/05/2024

10:07:27

2,012.0000

17

XCSE

Genmab A/S

22/05/2024

10:07:27

2,012.0000

36

TQEX

Genmab A/S

22/05/2024

10:12:02

2,002.0000

48

XCSE

Genmab A/S

22/05/2024

10:12:03

2,002.0000

56

CEUX

Genmab A/S

22/05/2024

10:12:04

2,001.0000

44

XCSE

Genmab A/S

22/05/2024

10:18:22

2,014.0000

2

CEUX

Genmab A/S

22/05/2024

10:18:25

2,014.0000

38

CEUX

Genmab A/S

22/05/2024

10:18:32

2,013.0000

50

XCSE

Genmab A/S

22/05/2024

10:18:32

2,013.0000

4

XCSE

Genmab A/S

22/05/2024

10:18:32

2,013.0000

36

CEUX

Genmab A/S

22/05/2024

10:18:32

2,013.0000

8

CEUX

Genmab A/S

22/05/2024

10:18:32

2,013.0000

41

CEUX

Genmab A/S

22/05/2024

10:18:32

2,013.0000

7

AQEU

Genmab A/S

22/05/2024

10:18:32

2,013.0000

8

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

18

XCSE

Genmab A/S

22/05/2024

10:18:32

2,012.0000

43

XCSE

Genmab A/S

22/05/2024

10:18:32

2,012.0000

43

XCSE

Genmab A/S

22/05/2024

10:18:32

2,012.0000

27

XCSE

Genmab A/S

22/05/2024

10:18:32

2,011.0000

18

XCSE

Genmab A/S

22/05/2024

10:18:32

2,011.0000

18

XCSE

Genmab A/S

22/05/2024

10:18:32

2,011.0000

6

XCSE

Genmab A/S

22/05/2024

10:18:32

2,011.0000

18

CEUX

19


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

10:18:32

2,011.0000

18

CEUX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

18

CEUX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

2

CEUX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

2

AQEU

Genmab A/S

22/05/2024

10:18:32

2,011.0000

2

AQEU

Genmab A/S

22/05/2024

10:18:32

2,011.0000

2

AQEU

Genmab A/S

22/05/2024

10:18:32

2,011.0000

5

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

5

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

8

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

5

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

5

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

8

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

5

TQEX

Genmab A/S

22/05/2024

10:18:32

2,011.0000

8

AQEU

Genmab A/S

22/05/2024

10:18:32

2,010.0000

25

XCSE

Genmab A/S

22/05/2024

10:18:32

2,010.0000

21

XCSE

Genmab A/S

22/05/2024

10:18:32

2,010.0000

21

XCSE

Genmab A/S

22/05/2024

10:18:32

2,010.0000

21

XCSE

Genmab A/S

22/05/2024

10:18:32

2,010.0000

22

XCSE

Genmab A/S

22/05/2024

10:18:32

2,010.0000

25

XCSE

Genmab A/S

22/05/2024

10:24:44

2,013.0000

28

XCSE

Genmab A/S

22/05/2024

10:24:44

2,013.0000

43

XCSE

Genmab A/S

22/05/2024

10:28:51

2,015.0000

107

XCSE

Genmab A/S

22/05/2024

10:28:51

2,015.0000

62

CEUX

Genmab A/S

22/05/2024

10:28:51

2,015.0000

4

CEUX

Genmab A/S

22/05/2024

10:28:51

2,015.0000

31

CEUX

Genmab A/S

22/05/2024

10:28:51

2,015.0000

4

TQEX

Genmab A/S

22/05/2024

10:28:51

2,015.0000

11

TQEX

Genmab A/S

22/05/2024

10:28:53

2,013.0000

46

XCSE

Genmab A/S

22/05/2024

10:35:07

2,015.0000

34

XCSE

Genmab A/S

22/05/2024

10:35:20

2,014.0000

22

XCSE

Genmab A/S

22/05/2024

10:35:20

2,014.0000

22

XCSE

Genmab A/S

22/05/2024

10:35:20

2,014.0000

22

XCSE

Genmab A/S

22/05/2024

10:35:20

2,014.0000

22

XCSE

Genmab A/S

22/05/2024

10:35:20

2,014.0000

22

XCSE

Genmab A/S

22/05/2024

10:35:20

2,014.0000

22

XCSE

Genmab A/S

22/05/2024

10:38:04

2,015.0000

8

CEUX

Genmab A/S

22/05/2024

10:38:04

2,015.0000

8

CEUX

Genmab A/S

22/05/2024

10:38:04

2,015.0000

5

TQEX

Genmab A/S

22/05/2024

10:38:04

2,015.0000

5

TQEX

20


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

10:38:04

2,015.0000

8

XCSE

Genmab A/S

22/05/2024

10:38:04

2,015.0000

8

XCSE

Genmab A/S

22/05/2024

10:38:04

2,015.0000

2

XCSE

Genmab A/S

22/05/2024

10:38:04

2,015.0000

8

CEUX

Genmab A/S

22/05/2024

10:38:04

2,015.0000

8

CEUX

Genmab A/S

22/05/2024

10:39:02

2,015.0000

6

XCSE

Genmab A/S

22/05/2024

10:40:18

2,015.0000

8

XCSE

Genmab A/S

22/05/2024

10:40:18

2,015.0000

24

XCSE

Genmab A/S

22/05/2024

10:40:18

2,015.0000

8

CEUX

Genmab A/S

22/05/2024

10:40:18

2,015.0000

8

CEUX

Genmab A/S

22/05/2024

10:40:18

2,015.0000

5

CEUX

Genmab A/S

22/05/2024

10:40:18

2,015.0000

1

AQEU

Genmab A/S

22/05/2024

10:40:18

2,015.0000

1

AQEU

Genmab A/S

22/05/2024

10:40:18

2,015.0000

5

TQEX

Genmab A/S

22/05/2024

10:40:18

2,015.0000

5

TQEX

Genmab A/S

22/05/2024

10:40:18

2,015.0000

36

CEUX

Genmab A/S

22/05/2024

10:40:18

2,015.0000

8

AQEU

Genmab A/S

22/05/2024

10:40:18

2,015.0000

8

AQEU

Genmab A/S

22/05/2024

10:40:18

2,015.0000

6

CEUX

Genmab A/S

22/05/2024

10:42:03

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:42:03

2,016.0000

1

AQEU

Genmab A/S

22/05/2024

10:42:03

2,016.0000

8

AQEU

Genmab A/S

22/05/2024

10:42:03

2,016.0000

6

XCSE

Genmab A/S

22/05/2024

10:42:03

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

10:42:03

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

10:42:03

2,016.0000

8

TQEX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

3

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

1

AQEU

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

1

AQEU

21


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

CEUX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

5

TQEX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

3

TQEX

Genmab A/S

22/05/2024

10:43:30

2,016.0000

24

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

15

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

9

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

24

XCSE

Genmab A/S

22/05/2024

10:43:30

2,016.0000

1

AQEU

Genmab A/S

22/05/2024

10:44:36

2,014.0000

34

XCSE

Genmab A/S

22/05/2024

10:44:36

2,014.0000

9

XCSE

Genmab A/S

22/05/2024

10:44:36

2,014.0000

44

XCSE

Genmab A/S

22/05/2024

10:44:36

2,014.0000

43

XCSE

Genmab A/S

22/05/2024

10:44:36

2,014.0000

7

XCSE

Genmab A/S

22/05/2024

10:44:36

2,014.0000

41

CEUX

Genmab A/S

22/05/2024

10:44:36

2,014.0000

6

AQEU

Genmab A/S

22/05/2024

10:44:36

2,014.0000

6

TQEX

Genmab A/S

22/05/2024

10:48:00

2,011.0000

44

XCSE

Genmab A/S

22/05/2024

10:48:00

2,011.0000

14

XCSE

Genmab A/S

22/05/2024

10:48:00

2,011.0000

30

XCSE

Genmab A/S

22/05/2024

10:56:38

2,013.0000

25

CEUX

Genmab A/S

22/05/2024

10:57:16

2,015.0000

8

TQEX

Genmab A/S

22/05/2024

10:57:26

2,015.0000

8

TQEX

Genmab A/S

22/05/2024

10:57:26

2,015.0000

2

TQEX

Genmab A/S

22/05/2024

10:57:26

2,015.0000

10

TQEX

Genmab A/S

22/05/2024

10:57:41

2,013.0000

82

XCSE

Genmab A/S

22/05/2024

10:57:41

2,013.0000

49

CEUX

Genmab A/S

22/05/2024

10:57:41

2,013.0000

25

CEUX

Genmab A/S

22/05/2024

10:57:41

2,013.0000

25

CEUX

Genmab A/S

22/05/2024

10:57:41

2,013.0000

11

AQEU

Genmab A/S

22/05/2024

10:57:41

2,013.0000

11

TQEX

Genmab A/S

22/05/2024

10:57:41

2,013.0000

25

CEUX

Genmab A/S

22/05/2024

10:57:44

2,013.0000

83

XCSE

Genmab A/S

22/05/2024

10:57:44

2,013.0000

16

CEUX

Genmab A/S

22/05/2024

10:57:44

2,013.0000

76

CEUX

Genmab A/S

22/05/2024

10:57:44

2,013.0000

11

AQEU

Genmab A/S

22/05/2024

10:57:44

2,013.0000

11

TQEX

Genmab A/S

22/05/2024

11:01:47

2,011.0000

44

CEUX

22


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

11:01:47

2,011.0000

41

CEUX

Genmab A/S

22/05/2024

11:01:47

2,011.0000

4

AQEU

Genmab A/S

22/05/2024

11:01:47

2,011.0000

6

TQEX

Genmab A/S

22/05/2024

11:01:47

2,011.0000

7

TQEX

Genmab A/S

22/05/2024

11:01:47

2,011.0000

49

XCSE

Genmab A/S

22/05/2024

11:01:47

2,011.0000

46

XCSE

Genmab A/S

22/05/2024

11:01:47

2,011.0000

3

CEUX

Genmab A/S

22/05/2024

11:10:30

2,015.0000

10

CEUX

Genmab A/S

22/05/2024

11:11:19

2,016.0000

6

CEUX

Genmab A/S

22/05/2024

11:11:19

2,016.0000

7

CEUX

Genmab A/S

22/05/2024

11:11:19

2,016.0000

8

CEUX

Genmab A/S

22/05/2024

11:12:03

2,016.0000

39

CEUX

Genmab A/S

22/05/2024

11:12:03

2,016.0000

68

CEUX

Genmab A/S

22/05/2024

11:12:03

2,016.0000

8

CEUX

Genmab A/S

22/05/2024

11:12:03

2,016.0000

20

CEUX

Genmab A/S

22/05/2024

11:12:03

2,016.0000

14

XCSE

Genmab A/S

22/05/2024

11:12:03

2,016.0000

60

XCSE

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

XCSE

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

XCSE

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

2

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

3

CEUX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

1

AQEU

Genmab A/S

22/05/2024

11:13:46

2,020.0000

3

AQEU

Genmab A/S

22/05/2024

11:13:46

2,020.0000

1

AQEU

Genmab A/S

22/05/2024

11:13:46

2,020.0000

3

AQEU

Genmab A/S

22/05/2024

11:13:46

2,020.0000

5

TQEX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

TQEX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

5

TQEX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

TQEX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

5

TQEX

Genmab A/S

22/05/2024

11:13:46

2,020.0000

8

XCSE

Genmab A/S

22/05/2024

11:13:46

2,020.0000

7

XCSE

Genmab A/S

22/05/2024

11:19:00

2,025.0000

80

XCSE

Genmab A/S

22/05/2024

11:41:07

2,025.0000

27

XCSE

Genmab A/S

22/05/2024

11:42:39

2,026.0000

33

XCSE

23


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

11:42:39

2,026.0000

15

XCSE

Genmab A/S

22/05/2024

11:42:39

2,026.0000

7

TQEX

Genmab A/S

22/05/2024

11:42:39

2,026.0000

43

CEUX

Genmab A/S

22/05/2024

11:42:39

2,026.0000

6

AQEU

Genmab A/S

22/05/2024

11:44:11

2,025.0000

66

CEUX

Genmab A/S

22/05/2024

11:50:12

2,029.0000

2

CEUX

Genmab A/S

22/05/2024

11:50:12

2,029.0000

9

AQEU

Genmab A/S

22/05/2024

11:52:56

2,030.0000

10

XCSE

Genmab A/S

22/05/2024

11:52:56

2,030.0000

28

XCSE

Genmab A/S

22/05/2024

11:53:06

2,030.0000

38

XCSE

Genmab A/S

22/05/2024

11:53:06

2,030.0000

7

XCSE

Genmab A/S

22/05/2024

11:53:24

2,030.0000

12

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

22

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

10

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

10

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

22

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

5

AQEU

Genmab A/S

22/05/2024

11:53:24

2,030.0000

5

AQEU

Genmab A/S

22/05/2024

11:53:24

2,030.0000

5

AQEU

Genmab A/S

22/05/2024

11:53:24

2,030.0000

2

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

17

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

5

AQEU

Genmab A/S

22/05/2024

11:53:24

2,030.0000

6

TQEX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

6

TQEX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

19

XCSE

Genmab A/S

22/05/2024

11:53:24

2,030.0000

40

CEUX

Genmab A/S

22/05/2024

11:53:24

2,030.0000

8

AQEU

Genmab A/S

22/05/2024

11:59:00

2,030.0000

42

XCSE

Genmab A/S

22/05/2024

11:59:00

2,030.0000

9

XCSE

Genmab A/S

22/05/2024

12:05:36

2,032.0000

21

CEUX

Genmab A/S

22/05/2024

12:05:36

2,032.0000

79

XCSE

Genmab A/S

22/05/2024

12:05:37

2,032.0000

54

CEUX

Genmab A/S

22/05/2024

12:13:02

2,035.0000

5

TQEX

Genmab A/S

22/05/2024

12:13:02

2,035.0000

5

TQEX

Genmab A/S

22/05/2024

12:13:05

2,035.0000

8

XCSE

Genmab A/S

22/05/2024

12:13:05

2,035.0000

19

XCSE

Genmab A/S

22/05/2024

12:14:29

2,035.0000

8

XCSE

Genmab A/S

22/05/2024

12:14:29

2,035.0000

34

XCSE

Genmab A/S

22/05/2024

12:14:29

2,035.0000

8

CEUX

Genmab A/S

22/05/2024

12:14:29

2,035.0000

5

TQEX

24


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

12:14:29

2,035.0000

8

CEUX

Genmab A/S

22/05/2024

12:14:29

2,035.0000

1

CEUX

Genmab A/S

22/05/2024

12:14:29

2,035.0000

1

AQEU

Genmab A/S

22/05/2024

12:14:29

2,035.0000

1

AQEU

Genmab A/S

22/05/2024

12:14:29

2,035.0000

23

AQEU

Genmab A/S

22/05/2024

12:19:30

2,037.0000

25

CEUX

Genmab A/S

22/05/2024

12:19:30

2,037.0000

25

CEUX

Genmab A/S

22/05/2024

12:19:30

2,037.0000

25

CEUX

Genmab A/S

22/05/2024

12:19:30

2,037.0000

4

CEUX

Genmab A/S

22/05/2024

12:23:27

2,034.0000

42

XCSE

Genmab A/S

22/05/2024

12:23:27

2,034.0000

3

CEUX

Genmab A/S

22/05/2024

12:23:27

2,034.0000

40

CEUX

Genmab A/S

22/05/2024

12:32:24

2,032.0000

7

AQEU

Genmab A/S

22/05/2024

12:34:04

2,032.0000

71

CEUX

Genmab A/S

22/05/2024

12:34:04

2,032.0000

55

CEUX

Genmab A/S

22/05/2024

12:34:04

2,032.0000

3

AQEU

Genmab A/S

22/05/2024

12:34:04

2,032.0000

12

TQEX

Genmab A/S

22/05/2024

12:34:04

2,032.0000

80

XCSE

Genmab A/S

22/05/2024

12:36:56

2,032.0000

53

XCSE

Genmab A/S

22/05/2024

12:41:09

2,033.0000

51

CEUX

Genmab A/S

22/05/2024

12:47:05

2,037.0000

2

CEUX

Genmab A/S

22/05/2024

12:47:05

2,037.0000

39

CEUX

Genmab A/S

22/05/2024

12:47:05

2,037.0000

7

TQEX

Genmab A/S

22/05/2024

12:47:05

2,037.0000

45

XCSE

Genmab A/S

22/05/2024

12:47:05

2,037.0000

6

TQEX

Genmab A/S

22/05/2024

12:47:43

2,035.0000

50

CEUX

Genmab A/S

22/05/2024

12:47:43

2,035.0000

53

XCSE

Genmab A/S

22/05/2024

12:56:26

2,036.0000

65

CEUX

Genmab A/S

22/05/2024

12:56:26

2,036.0000

9

AQEU

Genmab A/S

22/05/2024

12:56:26

2,036.0000

10

TQEX

Genmab A/S

22/05/2024

12:56:26

2,036.0000

71

XCSE

Genmab A/S

22/05/2024

13:01:58

2,037.0000

45

CEUX

Genmab A/S

22/05/2024

13:03:03

2,037.0000

18

AQEU

Genmab A/S

22/05/2024

13:04:32

2,037.0000

7

AQEU

Genmab A/S

22/05/2024

13:04:43

2,037.0000

19

AQEU

Genmab A/S

22/05/2024

13:06:04

2,037.0000

7

AQEU

Genmab A/S

22/05/2024

13:07:43

2,039.0000

22

CEUX

Genmab A/S

22/05/2024

13:07:43

2,039.0000

16

CEUX

Genmab A/S

22/05/2024

13:09:00

2,038.0000

25

AQEU

Genmab A/S

22/05/2024

13:09:00

2,038.0000

7

AQEU

25


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

13:09:00

2,038.0000

3

AQEU

Genmab A/S

22/05/2024

13:09:00

2,038.0000

37

AQEU

Genmab A/S

22/05/2024

13:09:31

2,037.0000

39

TQEX

Genmab A/S

22/05/2024

13:12:34

2,037.0000

50

XCSE

Genmab A/S

22/05/2024

13:14:02

2,038.0000

19

XCSE

Genmab A/S

22/05/2024

13:14:07

2,038.0000

59

XCSE

Genmab A/S

22/05/2024

13:21:53

2,040.0000

11

XCSE

Genmab A/S

22/05/2024

13:21:53

2,040.0000

41

XCSE

Genmab A/S

22/05/2024

13:21:53

2,040.0000

52

XCSE

Genmab A/S

22/05/2024

13:22:03

2,039.0000

19

XCSE

Genmab A/S

22/05/2024

13:22:54

2,039.0000

33

XCSE

Genmab A/S

22/05/2024

13:26:43

2,039.0000

30

XCSE

Genmab A/S

22/05/2024

13:29:23

2,040.0000

69

CEUX

Genmab A/S

22/05/2024

13:29:23

2,040.0000

38

AQEU

Genmab A/S

22/05/2024

13:29:23

2,040.0000

8

AQEU

Genmab A/S

22/05/2024

13:35:16

2,040.0000

42

XCSE

Genmab A/S

22/05/2024

13:39:48

2,038.0000

37

CEUX

Genmab A/S

22/05/2024

13:39:48

2,038.0000

37

CEUX

Genmab A/S

22/05/2024

13:46:08

2,038.0000

35

XCSE

Genmab A/S

22/05/2024

13:46:19

2,038.0000

14

XCSE

Genmab A/S

22/05/2024

13:51:49

2,038.0000

44

XCSE

Genmab A/S

22/05/2024

13:51:49

2,038.0000

44

XCSE

Genmab A/S

22/05/2024

13:51:49

2,038.0000

10

XCSE

Genmab A/S

22/05/2024

13:51:49

2,038.0000

49

CEUX

Genmab A/S

22/05/2024

13:51:49

2,038.0000

47

CEUX

Genmab A/S

22/05/2024

13:56:02

2,040.0000

14

CEUX

Genmab A/S

22/05/2024

13:56:02

2,040.0000

2

CEUX

Genmab A/S

22/05/2024

13:56:02

2,040.0000

34

CEUX

Genmab A/S

22/05/2024

13:56:02

2,040.0000

53

CEUX

Genmab A/S

22/05/2024

14:04:34

2,039.0000

45

CEUX

Genmab A/S

22/05/2024

14:05:21

2,038.0000

24

XCSE

Genmab A/S

22/05/2024

14:05:22

2,038.0000

24

XCSE

Genmab A/S

22/05/2024

14:05:22

2,038.0000

24

XCSE

Genmab A/S

22/05/2024

14:05:22

2,038.0000

15

XCSE

Genmab A/S

22/05/2024

14:08:44

2,038.0000

27

XCSE

Genmab A/S

22/05/2024

14:08:44

2,038.0000

25

XCSE

Genmab A/S

22/05/2024

14:15:01

2,040.0000

48

XCSE

Genmab A/S

22/05/2024

14:15:01

2,040.0000

43

CEUX

Genmab A/S

22/05/2024

14:15:01

2,040.0000

7

TQEX

Genmab A/S

22/05/2024

14:15:01

2,040.0000

6

AQEU

26


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

14:30:22

2,045.0000

22

XCSE

Genmab A/S

22/05/2024

14:30:22

2,045.0000

22

XCSE

Genmab A/S

22/05/2024

14:30:22

2,045.0000

22

XCSE

Genmab A/S

22/05/2024

14:30:22

2,045.0000

22

XCSE

Genmab A/S

22/05/2024

14:30:22

2,045.0000

7

XCSE

Genmab A/S

22/05/2024

14:30:22

2,045.0000

6

XCSE

Genmab A/S

22/05/2024

14:44:46

2,049.0000

18

CEUX

Genmab A/S

22/05/2024

14:44:46

2,049.0000

9

CEUX

Genmab A/S

22/05/2024

14:44:46

2,049.0000

1

XCSE

Genmab A/S

22/05/2024

14:44:46

2,049.0000

11

XCSE

Genmab A/S

22/05/2024

14:45:02

2,048.0000

19

XCSE

Genmab A/S

22/05/2024

14:45:02

2,048.0000

5

XCSE

Genmab A/S

22/05/2024

14:45:02

2,048.0000

56

XCSE

Genmab A/S

22/05/2024

14:45:02

2,048.0000

29

XCSE

Genmab A/S

22/05/2024

14:45:02

2,048.0000

24

XCSE

Genmab A/S

22/05/2024

14:47:00

2,048.0000

49

CEUX

Genmab A/S

22/05/2024

14:50:33

2,047.0000

9

XCSE

Genmab A/S

22/05/2024

14:50:33

2,047.0000

46

XCSE

Genmab A/S

22/05/2024

14:52:26

2,047.0000

49

XCSE

Genmab A/S

22/05/2024

14:54:10

2,039.0000

59

XCSE

Genmab A/S

22/05/2024

14:58:04

2,040.0000

50

CEUX

Genmab A/S

22/05/2024

14:58:04

2,040.0000

52

XCSE

Genmab A/S

22/05/2024

15:07:00

2,042.0000

81

XCSE

Genmab A/S

22/05/2024

15:09:34

2,043.0000

46

CEUX

Genmab A/S

22/05/2024

15:14:35

2,046.0000

35

XCSE

Genmab A/S

22/05/2024

15:15:02

2,045.0000

5

CEUX

Genmab A/S

22/05/2024

15:15:02

2,045.0000

31

CEUX

Genmab A/S

22/05/2024

15:15:02

2,045.0000

43

CEUX

Genmab A/S

22/05/2024

15:15:02

2,045.0000

6

AQEU

Genmab A/S

22/05/2024

15:15:02

2,045.0000

7

TQEX

Genmab A/S

22/05/2024

15:15:02

2,045.0000

48

XCSE

Genmab A/S

22/05/2024

15:15:37

2,043.0000

53

XCSE

Genmab A/S

22/05/2024

15:19:09

2,043.0000

4

AQEU

Genmab A/S

22/05/2024

15:19:10

2,043.0000

50

XCSE

Genmab A/S

22/05/2024

15:19:10

2,043.0000

28

CEUX

Genmab A/S

22/05/2024

15:19:10

2,043.0000

3

AQEU

Genmab A/S

22/05/2024

15:19:10

2,043.0000

17

CEUX

Genmab A/S

22/05/2024

15:19:10

2,043.0000

7

TQEX

Genmab A/S

22/05/2024

15:19:14

2,042.0000

6

TQEX

Genmab A/S

22/05/2024

15:19:15

2,042.0000

32

TQEX

27


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

15:19:15

2,042.0000

14

TQEX

Genmab A/S

22/05/2024

15:29:42

2,040.0000

43

XCSE

Genmab A/S

22/05/2024

15:29:42

2,040.0000

38

CEUX

Genmab A/S

22/05/2024

15:29:42

2,040.0000

5

CEUX

Genmab A/S

22/05/2024

15:29:42

2,040.0000

6

AQEU

Genmab A/S

22/05/2024

15:32:51

2,041.0000

8

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

8

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

3

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

2

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

3

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

2

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

9

CEUX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

9

CEUX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

9

CEUX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

8

CEUX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

1

AQEU

Genmab A/S

22/05/2024

15:32:51

2,041.0000

5

TQEX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

5

TQEX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

5

TQEX

Genmab A/S

22/05/2024

15:32:51

2,041.0000

5

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

3

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

8

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

4

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

23

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

23

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

23

XCSE

Genmab A/S

22/05/2024

15:32:51

2,041.0000

3

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

9

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

9

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

9

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

9

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

27

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

24

XCSE

Genmab A/S

22/05/2024

15:34:16

2,041.0000

41

CEUX

Genmab A/S

22/05/2024

15:34:16

2,041.0000

41

CEUX

Genmab A/S

22/05/2024

15:41:31

2,050.0000

79

XCSE

Genmab A/S

22/05/2024

15:41:31

2,050.0000

20

XCSE

Genmab A/S

22/05/2024

15:41:31

2,050.0000

27

XCSE

Genmab A/S

22/05/2024

15:41:31

2,050.0000

55

XCSE

Genmab A/S

22/05/2024

15:41:31

2,050.0000

20

XCSE

28


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

15:41:31

2,050.0000

35

XCSE

Genmab A/S

22/05/2024

15:41:31

2,050.0000

8

XCSE

Genmab A/S

22/05/2024

15:41:31

2,050.0000

2

AQEU

Genmab A/S

22/05/2024

15:41:31

2,050.0000

20

CEUX

Genmab A/S

22/05/2024

15:41:31

2,050.0000

37

CEUX

Genmab A/S

22/05/2024

15:41:31

2,050.0000

20

CEUX

Genmab A/S

22/05/2024

15:41:31

2,050.0000

2

AQEU

Genmab A/S

22/05/2024

15:41:31

2,050.0000

5

TQEX

Genmab A/S

22/05/2024

15:54:30

2,056.0000

68

CEUX

Genmab A/S

22/05/2024

15:54:30

2,055.0000

4

AQEU

Genmab A/S

22/05/2024

15:54:30

2,055.0000

1

AQEU

Genmab A/S

22/05/2024

15:54:30

2,055.0000

51

XCSE

Genmab A/S

22/05/2024

15:56:23

2,055.0000

16

XCSE

Genmab A/S

22/05/2024

15:56:23

2,055.0000

41

XCSE

Genmab A/S

22/05/2024

15:56:23

2,055.0000

52

CEUX

Genmab A/S

22/05/2024

15:56:23

2,055.0000

8

AQEU

Genmab A/S

22/05/2024

15:56:23

2,055.0000

8

TQEX

Genmab A/S

22/05/2024

15:57:14

2,055.0000

10

XCSE

Genmab A/S

22/05/2024

15:57:14

2,055.0000

20

XCSE

Genmab A/S

22/05/2024

15:57:14

2,055.0000

10

XCSE

Genmab A/S

22/05/2024

15:57:19

2,055.0000

10

XCSE

Genmab A/S

22/05/2024

15:57:19

2,055.0000

20

XCSE

Genmab A/S

22/05/2024

15:57:19

2,055.0000

10

XCSE

Genmab A/S

22/05/2024

16:03:41

2,058.0000

7

XCSE

Genmab A/S

22/05/2024

16:03:41

2,058.0000

10

XCSE

Genmab A/S

22/05/2024

16:03:41

2,058.0000

10

XCSE

Genmab A/S

22/05/2024

16:06:34

2,057.0000

10

XCSE

Genmab A/S

22/05/2024

16:06:34

2,057.0000

10

XCSE

Genmab A/S

22/05/2024

16:07:32

2,057.0000

10

XCSE

Genmab A/S

22/05/2024

16:07:32

2,057.0000

10

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

4

CEUX

Genmab A/S

22/05/2024

16:08:08

2,057.0000

41

CEUX

Genmab A/S

22/05/2024

16:08:08

2,057.0000

7

AQEU

Genmab A/S

22/05/2024

16:08:08

2,057.0000

6

TQEX

Genmab A/S

22/05/2024

16:08:08

2,057.0000

9

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

14

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

11

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

25

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

25

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

13

XCSE

29


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

16:08:08

2,057.0000

25

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

18

XCSE

Genmab A/S

22/05/2024

16:08:08

2,057.0000

55

XCSE

Genmab A/S

22/05/2024

16:16:02

2,064.0000

21

XCSE

Genmab A/S

22/05/2024

16:16:02

2,064.0000

21

XCSE

Genmab A/S

22/05/2024

16:16:02

2,064.0000

57

XCSE

Genmab A/S

22/05/2024

16:16:02

2,064.0000

21

XCSE

Genmab A/S

22/05/2024

16:16:02

2,064.0000

18

XCSE

Genmab A/S

22/05/2024

16:16:47

2,063.0000

22

XCSE

Genmab A/S

22/05/2024

16:16:47

2,063.0000

22

XCSE

Genmab A/S

22/05/2024

16:16:47

2,063.0000

5

XCSE

Genmab A/S

22/05/2024

16:16:47

2,063.0000

5

XCSE

Genmab A/S

22/05/2024

16:16:47

2,063.0000

12

XCSE

Genmab A/S

22/05/2024

16:16:48

2,063.0000

22

XCSE

Genmab A/S

22/05/2024

16:16:48

2,063.0000

60

XCSE

Genmab A/S

22/05/2024

16:21:08

2,063.0000

84

CEUX

Genmab A/S

22/05/2024

16:21:14

2,062.0000

20

XCSE

Genmab A/S

22/05/2024

16:21:14

2,062.0000

19

CEUX

Genmab A/S

22/05/2024

16:21:14

2,062.0000

19

CEUX

Genmab A/S

22/05/2024

16:21:14

2,062.0000

6

CEUX

Genmab A/S

22/05/2024

16:21:14

2,062.0000

17

CEUX

Genmab A/S

22/05/2024

16:21:14

2,062.0000

3

AQEU

Genmab A/S

22/05/2024

16:21:14

2,062.0000

7

XCSE

Genmab A/S

22/05/2024

16:21:14

2,062.0000

13

XCSE

Genmab A/S

22/05/2024

16:21:14

2,062.0000

13

XCSE

Genmab A/S

22/05/2024

16:21:14

2,062.0000

33

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

6

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

29

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

XCSE

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

CEUX

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

CEUX

Genmab A/S

22/05/2024

16:25:28

2,064.0000

18

CEUX

Genmab A/S

22/05/2024

16:25:28

2,064.0000

17

CEUX

Genmab A/S

22/05/2024

16:25:28

2,064.0000

3

AQEU

Genmab A/S

22/05/2024

16:25:28

2,064.0000

7

AQEU

Genmab A/S

22/05/2024

16:25:28

2,064.0000

4

TQEX

Genmab A/S

22/05/2024

16:25:28

2,064.0000

8

XCSE

30


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

16:25:44

2,064.0000

11

XCSE

Genmab A/S

22/05/2024

16:25:44

2,064.0000

32

XCSE

Genmab A/S

22/05/2024

16:25:44

2,064.0000

35

XCSE

Genmab A/S

22/05/2024

16:25:44

2,064.0000

8

XCSE

Genmab A/S

22/05/2024

16:25:44

2,064.0000

13

XCSE

Genmab A/S

22/05/2024

16:26:07

2,061.0000

10

XCSE

Genmab A/S

22/05/2024

16:26:07

2,061.0000

15

XCSE

Genmab A/S

22/05/2024

16:26:07

2,061.0000

10

XCSE

Genmab A/S

22/05/2024

16:26:07

2,061.0000

52

XCSE

Genmab A/S

22/05/2024

16:29:56

2,062.0000

53

XCSE

Genmab A/S

22/05/2024

16:29:56

2,062.0000

81

XCSE

Genmab A/S

22/05/2024

16:29:56

2,062.0000

41

TQEX

Genmab A/S

22/05/2024

16:36:14

2,065.0000

52

CEUX

Genmab A/S

22/05/2024

16:36:14

2,065.0000

8

AQEU

Genmab A/S

22/05/2024

16:36:14

2,065.0000

8

TQEX

Genmab A/S

22/05/2024

16:36:14

2,065.0000

57

XCSE

Genmab A/S

22/05/2024

16:37:43

2,064.0000

61

XCSE

Genmab A/S

22/05/2024

16:38:02

2,064.0000

13

XCSE

Genmab A/S

22/05/2024

16:38:59

2,063.0000

58

CEUX

Genmab A/S

22/05/2024

16:38:59

2,063.0000

65

XCSE

Genmab A/S

22/05/2024

16:38:59

2,063.0000

9

TQEX

Genmab A/S

22/05/2024

16:38:59

2,063.0000

9

XCSE

Genmab A/S

22/05/2024

16:41:14

2,062.0000

15

XCSE

Genmab A/S

22/05/2024

16:41:14

2,062.0000

44

XCSE

Genmab A/S

22/05/2024

16:41:14

2,062.0000

6

XCSE

Genmab A/S

22/05/2024

16:41:14

2,062.0000

1

TQEX

Genmab A/S

22/05/2024

16:41:14

2,062.0000

7

TQEX

Genmab A/S

22/05/2024

16:41:14

2,062.0000

1

TQEX

Genmab A/S

22/05/2024

16:41:14

2,062.0000

58

CEUX

Genmab A/S

22/05/2024

16:41:14

2,062.0000

9

XCSE

Genmab A/S

22/05/2024

16:41:15

2,061.0000

20

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

20

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

20

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

6

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

13

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

7

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

20

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

11

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

3

AQEU

Genmab A/S

22/05/2024

16:41:15

2,061.0000

3

AQEU

31


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

16:41:15

2,061.0000

3

AQEU

Genmab A/S

22/05/2024

16:41:15

2,061.0000

4

TQEX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

6

TQEX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

4

TQEX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

36

CEUX

Genmab A/S

22/05/2024

16:41:15

2,061.0000

7

AQEU

Genmab A/S

22/05/2024

16:41:15

2,061.0000

8

TQEX

Genmab A/S

22/05/2024

16:41:16

2,061.0000

48

XCSE

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

14

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

1

CEUX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

15

XCSE

Genmab A/S

22/05/2024

16:45:27

2,062.0000

219

XCSE

Genmab A/S

22/05/2024

16:45:27

2,062.0000

4

TQEX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

36

TQEX

Genmab A/S

22/05/2024

16:45:27

2,062.0000

35

XCSE

Genmab A/S

22/05/2024

16:45:27

2,062.0000

3

XCSE

Genmab A/S

22/05/2024

16:45:29

2,061.0000

25

CEUX

Genmab A/S

22/05/2024

16:45:29

2,061.0000

25

CEUX

Genmab A/S

22/05/2024

16:45:29

2,061.0000

1

CEUX

Genmab A/S

22/05/2024

16:45:29

2,061.0000

25

CEUX

Genmab A/S

22/05/2024

16:45:29

2,061.0000

13

CEUX

Genmab A/S

22/05/2024

16:46:40

2,057.0000

41

XCSE

Genmab A/S

22/05/2024

16:51:29

2,058.0000

2

CEUX

Genmab A/S

22/05/2024

16:51:29

2,058.0000

12

CEUX

Genmab A/S

22/05/2024

16:51:29

2,058.0000

5

CEUX

Genmab A/S

22/05/2024

16:51:29

2,058.0000

16

CEUX

32


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

22/05/2024

16:51:39

2,058.0000

4

CEUX

Genmab A/S

22/05/2024

16:51:56

2,058.0000

13

CEUX

Genmab A/S

22/05/2024

16:51:56

2,058.0000

26

CEUX

Genmab A/S

22/05/2024

16:52:02

2,058.0000

12

CEUX

Genmab A/S

22/05/2024

16:52:02

2,058.0000

28

CEUX

Genmab A/S

22/05/2024

16:52:04

2,058.0000

162

XCSE

Genmab A/S

22/05/2024

16:52:07

2,058.0000

6

XCSE

Genmab A/S

22/05/2024

16:52:46

2,058.0000

81

XCSE

Genmab A/S

22/05/2024

16:52:46

2,058.0000

42

XCSE

Genmab A/S

22/05/2024

16:53:08

2,059.0000

5

XCSE

Genmab A/S

22/05/2024

16:53:24

2,059.0000

28

XCSE

Genmab A/S

22/05/2024

16:53:24

2,059.0000

14

XCSE

Genmab A/S

22/05/2024

16:53:24

2,059.0000

43

CEUX

Genmab A/S

22/05/2024

16:53:24

2,059.0000

6

AQEU

Genmab A/S

22/05/2024

16:53:24

2,059.0000

7

TQEX

Genmab A/S

24/05/2024

09:00:04

2,017.0000

4

XCSE

Genmab A/S

24/05/2024

09:00:04

2,017.0000

57

XCSE

Genmab A/S

24/05/2024

09:00:04

2,017.0000

65

XCSE

Genmab A/S

24/05/2024

09:00:09

2,013.0000

7

XCSE

Genmab A/S

24/05/2024

09:00:09

2,013.0000

29

XCSE

Genmab A/S

24/05/2024

09:01:13

2,002.0000

19

CEUX

Genmab A/S

24/05/2024

09:01:13

2,002.0000

18

CEUX

Genmab A/S

24/05/2024

09:05:58

1,986.0000

38

XCSE

Genmab A/S

24/05/2024

09:05:58

1,985.0000

37

XCSE

Genmab A/S

24/05/2024

09:07:02

1,979.0000

38

XCSE

Genmab A/S

24/05/2024

09:08:38

1,980.0000

40

CEUX

Genmab A/S

24/05/2024

09:10:33

1,981.0000

35

AQEU

Genmab A/S

24/05/2024

09:11:07

1,977.0000

35

XCSE

Genmab A/S

24/05/2024

09:13:32

1,968.5000

39

XCSE

Genmab A/S

24/05/2024

09:15:19

1,966.5000

34

CEUX

Genmab A/S

24/05/2024

09:15:21

1,963.0000

15

XCSE

Genmab A/S

24/05/2024

09:15:21

1,963.0000

20

XCSE

Genmab A/S

24/05/2024

09:17:05

1,962.5000

40

CEUX

Genmab A/S

24/05/2024

09:20:00

1,964.5000

19

XCSE

Genmab A/S

24/05/2024

09:20:00

1,964.5000

15

XCSE

Genmab A/S

24/05/2024

09:21:04

1,961.5000

41

CEUX

Genmab A/S

24/05/2024

09:21:38

1,959.0000

36

XCSE

Genmab A/S

24/05/2024

09:25:05

1,969.5000

35

CEUX

Genmab A/S

24/05/2024

09:25:06

1,969.5000

4

CEUX

Genmab A/S

24/05/2024

09:25:25

1,965.5000

36

TQEX

33


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

09:28:05

1,958.0000

30

CEUX

Genmab A/S

24/05/2024

09:28:05

1,958.0000

13

CEUX

Genmab A/S

24/05/2024

09:30:11

1,955.5000

41

XCSE

Genmab A/S

24/05/2024

09:32:38

1,957.5000

35

CEUX

Genmab A/S

24/05/2024

09:34:25

1,955.0000

37

CEUX

Genmab A/S

24/05/2024

09:36:36

1,957.5000

19

CEUX

Genmab A/S

24/05/2024

09:36:36

1,957.5000

24

CEUX

Genmab A/S

24/05/2024

09:38:35

1,955.0000

35

CEUX

Genmab A/S

24/05/2024

09:38:35

1,952.5000

35

XCSE

Genmab A/S

24/05/2024

09:42:42

1,951.0000

40

XCSE

Genmab A/S

24/05/2024

09:44:32

1,952.0000

39

CEUX

Genmab A/S

24/05/2024

09:47:02

1,952.0000

37

XCSE

Genmab A/S

24/05/2024

09:50:04

1,950.5000

20

CEUX

Genmab A/S

24/05/2024

09:50:04

1,950.5000

21

CEUX

Genmab A/S

24/05/2024

09:52:11

1,950.0000

41

XCSE

Genmab A/S

24/05/2024

09:53:06

1,948.0000

37

XCSE

Genmab A/S

24/05/2024

09:53:06

1,947.0000

10

XCSE

Genmab A/S

24/05/2024

09:53:06

1,947.0000

26

XCSE

Genmab A/S

24/05/2024

09:57:46

1,949.0000

11

XCSE

Genmab A/S

24/05/2024

09:57:46

1,949.0000

1

XCSE

Genmab A/S

24/05/2024

09:57:46

1,949.0000

23

XCSE

Genmab A/S

24/05/2024

10:00:04

1,948.5000

31

TQEX

Genmab A/S

24/05/2024

10:00:38

1,946.5000

25

CEUX

Genmab A/S

24/05/2024

10:00:38

1,946.5000

11

AQEU

Genmab A/S

24/05/2024

10:02:02

1,942.0000

6

XCSE

Genmab A/S

24/05/2024

10:02:02

1,942.0000

35

XCSE

Genmab A/S

24/05/2024

10:03:09

1,944.5000

40

CEUX

Genmab A/S

24/05/2024

10:03:09

1,944.5000

2

CEUX

Genmab A/S

24/05/2024

10:03:43

1,944.5000

10

XCSE

Genmab A/S

24/05/2024

10:03:43

1,944.5000

8

XCSE

Genmab A/S

24/05/2024

10:03:43

1,944.5000

27

XCSE

Genmab A/S

24/05/2024

10:04:11

1,945.5000

44

XCSE

Genmab A/S

24/05/2024

10:05:02

1,945.0000

11

CEUX

Genmab A/S

24/05/2024

10:05:02

1,945.0000

26

CEUX

Genmab A/S

24/05/2024

10:06:09

1,944.5000

19

CEUX

Genmab A/S

24/05/2024

10:06:09

1,944.5000

17

CEUX

Genmab A/S

24/05/2024

10:06:50

1,944.5000

43

CEUX

Genmab A/S

24/05/2024

10:06:50

1,943.5000

37

XCSE

Genmab A/S

24/05/2024

10:06:50

1,943.5000

20

CEUX

Genmab A/S

24/05/2024

10:08:11

1,945.5000

40

CEUX

34


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

10:08:45

1,943.0000

20

CEUX

Genmab A/S

24/05/2024

10:08:45

1,943.0000

21

CEUX

Genmab A/S

24/05/2024

10:09:27

1,942.5000

19

XCSE

Genmab A/S

24/05/2024

10:09:27

1,942.5000

22

XCSE

Genmab A/S

24/05/2024

10:10:29

1,942.0000

37

CEUX

Genmab A/S

24/05/2024

10:11:29

1,941.5000

18

CEUX

Genmab A/S

24/05/2024

10:11:29

1,941.5000

19

CEUX

Genmab A/S

24/05/2024

10:11:50

1,940.5000

19

CEUX

Genmab A/S

24/05/2024

10:11:50

1,940.5000

13

CEUX

Genmab A/S

24/05/2024

10:11:50

1,940.5000

10

CEUX

Genmab A/S

24/05/2024

10:12:23

1,938.0000

45

CEUX

Genmab A/S

24/05/2024

10:13:17

1,936.5000

51

CEUX

Genmab A/S

24/05/2024

10:14:21

1,933.5000

19

XCSE

Genmab A/S

24/05/2024

10:14:21

1,933.5000

27

XCSE

Genmab A/S

24/05/2024

10:15:09

1,932.0000

15

CEUX

Genmab A/S

24/05/2024

10:15:09

1,932.0000

38

CEUX

Genmab A/S

24/05/2024

10:15:38

1,929.5000

40

CEUX

Genmab A/S

24/05/2024

10:16:54

1,927.5000

7

TQEX

Genmab A/S

24/05/2024

10:17:04

1,928.0000

37

TQEX

Genmab A/S

24/05/2024

10:18:12

1,928.5000

29

CEUX

Genmab A/S

24/05/2024

10:18:12

1,928.5000

12

CEUX

Genmab A/S

24/05/2024

10:18:30

1,927.5000

19

AQEU

Genmab A/S

24/05/2024

10:18:49

1,927.5000

19

AQEU

Genmab A/S

24/05/2024

10:18:49

1,927.5000

17

AQEU

Genmab A/S

24/05/2024

10:19:42

1,927.5000

40

CEUX

Genmab A/S

24/05/2024

10:20:25

1,927.0000

19

CEUX

Genmab A/S

24/05/2024

10:20:25

1,927.0000

25

CEUX

Genmab A/S

24/05/2024

10:22:03

1,926.5000

34

XCSE

Genmab A/S

24/05/2024

10:22:03

1,926.5000

4

XCSE

Genmab A/S

24/05/2024

10:22:03

1,926.5000

32

XCSE

Genmab A/S

24/05/2024

10:22:44

1,924.5000

14

CEUX

Genmab A/S

24/05/2024

10:22:44

1,924.5000

20

CEUX

Genmab A/S

24/05/2024

10:23:39

1,926.0000

23

XCSE

Genmab A/S

24/05/2024

10:23:57

1,926.0000

39

XCSE

Genmab A/S

24/05/2024

10:24:49

1,928.0000

44

XCSE

Genmab A/S

24/05/2024

10:24:53

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:26:07

1,923.5000

35

CEUX

Genmab A/S

24/05/2024

10:26:08

1,923.0000

35

CEUX

Genmab A/S

24/05/2024

10:27:35

1,925.0000

5

CEUX

Genmab A/S

24/05/2024

10:27:35

1,925.0000

39

CEUX

35


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

10:28:27

1,922.5000

23

XCSE

Genmab A/S

24/05/2024

10:29:12

1,925.5000

35

XCSE

Genmab A/S

24/05/2024

10:29:46

1,925.0000

26

CEUX

Genmab A/S

24/05/2024

10:29:46

1,925.0000

9

CEUX

Genmab A/S

24/05/2024

10:31:00

1,924.5000

37

CEUX

Genmab A/S

24/05/2024

10:31:00

1,924.5000

8

AQEU

Genmab A/S

24/05/2024

10:31:41

1,924.5000

42

XCSE

Genmab A/S

24/05/2024

10:32:27

1,923.5000

39

AQEU

Genmab A/S

24/05/2024

10:32:27

1,922.5000

36

XCSE

Genmab A/S

24/05/2024

10:32:27

1,922.5000

3

XCSE

Genmab A/S

24/05/2024

10:34:24

1,924.0000

43

CEUX

Genmab A/S

24/05/2024

10:34:29

1,923.0000

44

XCSE

Genmab A/S

24/05/2024

10:34:55

1,920.0000

35

XCSE

Genmab A/S

24/05/2024

10:36:29

1,921.5000

38

XCSE

Genmab A/S

24/05/2024

10:36:52

1,921.5000

39

XCSE

Genmab A/S

24/05/2024

10:37:52

1,921.5000

19

XCSE

Genmab A/S

24/05/2024

10:37:52

1,921.5000

18

XCSE

Genmab A/S

24/05/2024

10:39:15

1,921.5000

39

CEUX

Genmab A/S

24/05/2024

10:39:15

1,921.5000

34

TQEX

Genmab A/S

24/05/2024

10:39:37

1,918.5000

40

CEUX

Genmab A/S

24/05/2024

10:41:10

1,918.5000

36

XCSE

Genmab A/S

24/05/2024

10:41:29

1,917.0000

42

CEUX

Genmab A/S

24/05/2024

10:42:47

1,918.0000

39

CEUX

Genmab A/S

24/05/2024

10:43:55

1,918.5000

36

XCSE

Genmab A/S

24/05/2024

10:44:33

1,919.0000

12

TQEX

Genmab A/S

24/05/2024

10:44:53

1,921.0000

12

AQEU

Genmab A/S

24/05/2024

10:45:08

1,920.5000

19

AQEU

Genmab A/S

24/05/2024

10:45:29

1,920.5000

35

AQEU

Genmab A/S

24/05/2024

10:45:37

1,920.0000

35

XCSE

Genmab A/S

24/05/2024

10:46:22

1,919.5000

40

XCSE

Genmab A/S

24/05/2024

10:46:47

1,916.5000

35

CEUX

Genmab A/S

24/05/2024

10:48:24

1,909.0000

10

XCSE

Genmab A/S

24/05/2024

10:49:11

1,914.5000

20

XCSE

Genmab A/S

24/05/2024

10:49:11

1,914.5000

33

XCSE

Genmab A/S

24/05/2024

10:49:11

1,914.5000

47

XCSE

Genmab A/S

24/05/2024

10:49:13

1,914.0000

25

XCSE

Genmab A/S

24/05/2024

10:50:27

1,923.0000

20

XCSE

Genmab A/S

24/05/2024

10:50:28

1,923.0000

20

XCSE

Genmab A/S

24/05/2024

10:50:28

1,923.0000

18

XCSE

Genmab A/S

24/05/2024

10:50:28

1,923.0000

3

XCSE

36


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

10:50:30

1,923.0000

20

XCSE

Genmab A/S

24/05/2024

10:50:30

1,923.0000

21

XCSE

Genmab A/S

24/05/2024

10:50:31

1,923.0000

20

XCSE

Genmab A/S

24/05/2024

10:50:31

1,923.0000

21

XCSE

Genmab A/S

24/05/2024

10:50:31

1,923.0000

58

XCSE

Genmab A/S

24/05/2024

10:50:34

1,925.0000

19

XCSE

Genmab A/S

24/05/2024

10:50:34

1,925.0000

33

XCSE

Genmab A/S

24/05/2024

10:50:35

1,924.5000

10

CEUX

Genmab A/S

24/05/2024

10:50:35

1,924.5000

5

TQEX

Genmab A/S

24/05/2024

10:50:35

1,924.5000

10

XCSE

Genmab A/S

24/05/2024

10:50:38

1,925.5000

31

XCSE

Genmab A/S

24/05/2024

10:50:38

1,925.5000

69

XCSE

Genmab A/S

24/05/2024

10:50:38

1,925.5000

31

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

35

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

3

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

35

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

38

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

14

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

24

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

14

XCSE

Genmab A/S

24/05/2024

10:50:48

1,926.5000

37

XCSE

Genmab A/S

24/05/2024

10:50:53

1,925.5000

2

CEUX

Genmab A/S

24/05/2024

10:50:53

1,925.5000

8

CEUX

Genmab A/S

24/05/2024

10:50:53

1,925.5000

28

CEUX

Genmab A/S

24/05/2024

10:50:53

1,925.5000

4

CEUX

Genmab A/S

24/05/2024

10:50:53

1,925.5000

19

XCSE

Genmab A/S

24/05/2024

10:50:53

1,925.0000

52

XCSE

Genmab A/S

24/05/2024

10:50:53

1,925.0000

52

XCSE

Genmab A/S

24/05/2024

10:50:53

1,925.0000

9

XCSE

Genmab A/S

24/05/2024

10:51:03

1,923.0000

25

AQEU

37


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

10:51:03

1,923.0000

21

AQEU

Genmab A/S

24/05/2024

10:51:40

1,922.0000

6

XCSE

Genmab A/S

24/05/2024

10:51:40

1,922.0000

3

XCSE

Genmab A/S

24/05/2024

10:51:40

1,922.0000

23

XCSE

Genmab A/S

24/05/2024

10:51:40

1,922.0000

6

XCSE

Genmab A/S

24/05/2024

10:51:41

1,921.5000

50

CEUX

Genmab A/S

24/05/2024

10:51:41

1,921.0000

10

XCSE

Genmab A/S

24/05/2024

10:51:41

1,921.0000

39

XCSE

Genmab A/S

24/05/2024

10:51:41

1,921.0000

49

XCSE

Genmab A/S

24/05/2024

10:51:41

1,921.0000

47

XCSE

Genmab A/S

24/05/2024

10:52:24

1,922.5000

55

XCSE

Genmab A/S

24/05/2024

10:52:24

1,922.5000

43

CEUX

Genmab A/S

24/05/2024

10:52:24

1,922.0000

48

XCSE

Genmab A/S

24/05/2024

10:52:24

1,922.0000

48

XCSE

Genmab A/S

24/05/2024

10:52:24

1,922.0000

50

XCSE

Genmab A/S

24/05/2024

10:53:02

1,926.0000

33

CEUX

Genmab A/S

24/05/2024

10:53:02

1,926.0000

47

XCSE

Genmab A/S

24/05/2024

10:53:02

1,926.0000

20

CEUX

Genmab A/S

24/05/2024

10:53:12

1,927.5000

11

XCSE

Genmab A/S

24/05/2024

10:53:12

1,927.5000

12

XCSE

Genmab A/S

24/05/2024

10:53:16

1,927.0000

40

XCSE

Genmab A/S

24/05/2024

10:53:16

1,927.0000

16

XCSE

Genmab A/S

24/05/2024

10:53:32

1,927.0000

48

XCSE

Genmab A/S

24/05/2024

10:53:32

1,927.0000

54

XCSE

Genmab A/S

24/05/2024

10:53:34

1,926.0000

50

CEUX

Genmab A/S

24/05/2024

10:53:34

1,926.0000

8

CEUX

Genmab A/S

24/05/2024

10:53:34

1,926.0000

6

AQEU

Genmab A/S

24/05/2024

10:53:38

1,926.5000

75

XCSE

Genmab A/S

24/05/2024

10:53:57

1,927.0000

46

XCSE

Genmab A/S

24/05/2024

10:53:57

1,926.5000

37

CEUX

Genmab A/S

24/05/2024

10:54:37

1,927.5000

31

XCSE

Genmab A/S

24/05/2024

10:54:37

1,927.5000

19

XCSE

Genmab A/S

24/05/2024

10:54:37

1,927.5000

7

XCSE

Genmab A/S

24/05/2024

10:54:37

1,927.5000

54

CEUX

Genmab A/S

24/05/2024

10:54:38

1,926.0000

19

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

7

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

4

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

7

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

15

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

7

XCSE

38


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

10:54:38

1,926.0000

19

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

7

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

26

XCSE

Genmab A/S

24/05/2024

10:54:38

1,926.0000

24

XCSE

Genmab A/S

24/05/2024

10:54:46

1,925.5000

53

XCSE

Genmab A/S

24/05/2024

10:55:00

1,925.0000

20

XCSE

Genmab A/S

24/05/2024

10:55:02

1,925.0000

11

XCSE

Genmab A/S

24/05/2024

10:55:02

1,925.0000

1

XCSE

Genmab A/S

24/05/2024

10:55:02

1,925.0000

31

XCSE

Genmab A/S

24/05/2024

10:55:03

1,925.0000

20

XCSE

Genmab A/S

24/05/2024

10:55:09

1,923.5000

50

XCSE

Genmab A/S

24/05/2024

10:55:10

1,923.5000

17

XCSE

Genmab A/S

24/05/2024

10:55:51

1,924.5000

41

XCSE

Genmab A/S

24/05/2024

10:55:51

1,924.5000

18

XCSE

Genmab A/S

24/05/2024

10:55:51

1,924.5000

4

XCSE

Genmab A/S

24/05/2024

10:55:51

1,924.5000

22

XCSE

Genmab A/S

24/05/2024

10:55:51

1,924.5000

22

XCSE

Genmab A/S

24/05/2024

10:56:04

1,924.5000

22

XCSE

Genmab A/S

24/05/2024

10:56:04

1,924.5000

13

AQEU

Genmab A/S

24/05/2024

10:56:14

1,925.0000

23

XCSE

Genmab A/S

24/05/2024

10:56:14

1,925.0000

24

XCSE

Genmab A/S

24/05/2024

10:56:14

1,925.0000

32

XCSE

Genmab A/S

24/05/2024

10:56:14

1,925.0000

62

XCSE

Genmab A/S

24/05/2024

10:56:14

1,925.0000

24

XCSE

Genmab A/S

24/05/2024

10:56:14

1,925.0000

7

XCSE

Genmab A/S

24/05/2024

10:56:55

1,927.0000

61

AQEU

Genmab A/S

24/05/2024

10:56:55

1,927.0000

21

TQEX

Genmab A/S

24/05/2024

10:56:55

1,927.0000

21

TQEX

Genmab A/S

24/05/2024

10:56:55

1,927.0000

11

TQEX

Genmab A/S

24/05/2024

10:56:59

1,926.0000

20

XCSE

Genmab A/S

24/05/2024

10:56:59

1,926.0000

25

XCSE

Genmab A/S

24/05/2024

10:57:49

1,928.5000

23

XCSE

Genmab A/S

24/05/2024

10:57:49

1,928.5000

66

XCSE

Genmab A/S

24/05/2024

10:57:49

1,928.5000

28

CEUX

Genmab A/S

24/05/2024

10:57:49

1,928.5000

28

CEUX

Genmab A/S

24/05/2024

10:57:49

1,928.5000

20

CEUX

Genmab A/S

24/05/2024

10:58:01

1,927.5000

47

CEUX

Genmab A/S

24/05/2024

10:58:08

1,926.5000

35

CEUX

Genmab A/S

24/05/2024

10:58:44

1,928.0000

41

XCSE

Genmab A/S

24/05/2024

10:58:44

1,928.0000

1

XCSE

39


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

10:58:44

1,928.0000

36

XCSE

Genmab A/S

24/05/2024

10:58:44

1,928.0000

75

XCSE

Genmab A/S

24/05/2024

10:58:59

1,927.0000

37

CEUX

Genmab A/S

24/05/2024

10:58:59

1,927.0000

39

XCSE

Genmab A/S

24/05/2024

10:59:22

1,927.5000

25

CEUX

Genmab A/S

24/05/2024

10:59:22

1,927.5000

19

CEUX

Genmab A/S

24/05/2024

10:59:22

1,927.5000

6

CEUX

Genmab A/S

24/05/2024

10:59:22

1,927.5000

20

CEUX

Genmab A/S

24/05/2024

11:00:04

1,929.5000

40

XCSE

Genmab A/S

24/05/2024

11:00:04

1,929.5000

25

XCSE

Genmab A/S

24/05/2024

11:00:04

1,929.5000

36

XCSE

Genmab A/S

24/05/2024

11:00:04

1,929.5000

25

XCSE

Genmab A/S

24/05/2024

11:00:04

1,929.5000

16

XCSE

Genmab A/S

24/05/2024

11:00:04

1,929.5000

15

XCSE

Genmab A/S

24/05/2024

11:00:10

1,928.5000

38

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

12

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

11

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

11

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

12

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

23

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

27

CEUX

Genmab A/S

24/05/2024

11:00:58

1,926.5000

38

CEUX

Genmab A/S

24/05/2024

11:00:58

1,926.5000

21

CEUX

Genmab A/S

24/05/2024

11:00:58

1,926.5000

27

CEUX

Genmab A/S

24/05/2024

11:00:58

1,926.5000

2

CEUX

Genmab A/S

24/05/2024

11:00:58

1,926.5000

23

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

7

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

6

XCSE

Genmab A/S

24/05/2024

11:00:58

1,926.5000

6

XCSE

Genmab A/S

24/05/2024

11:01:11

1,924.0000

37

XCSE

Genmab A/S

24/05/2024

11:01:52

1,924.0000

35

XCSE

Genmab A/S

24/05/2024

11:01:52

1,924.0000

36

XCSE

Genmab A/S

24/05/2024

11:01:52

1,924.0000

34

XCSE

Genmab A/S

24/05/2024

11:01:52

1,924.0000

34

CEUX

Genmab A/S

24/05/2024

11:01:52

1,925.0000

38

CEUX

Genmab A/S

24/05/2024

11:02:02

1,925.5000

35

TQEX

Genmab A/S

24/05/2024

11:02:23

1,923.5000

35

XCSE

Genmab A/S

24/05/2024

11:02:23

1,923.5000

36

CEUX

Genmab A/S

24/05/2024

11:02:37

1,924.0000

20

XCSE

Genmab A/S

24/05/2024

11:02:37

1,924.0000

36

CEUX

40


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

11:03:14

1,924.5000

25

AQEU

Genmab A/S

24/05/2024

11:03:14

1,924.5000

11

AQEU

Genmab A/S

24/05/2024

11:03:40

1,925.0000

35

CEUX

Genmab A/S

24/05/2024

11:03:40

1,924.0000

40

XCSE

Genmab A/S

24/05/2024

11:04:39

1,921.5000

39

XCSE

Genmab A/S

24/05/2024

11:04:39

1,921.5000

36

CEUX

Genmab A/S

24/05/2024

11:05:17

1,918.5000

36

CEUX

Genmab A/S

24/05/2024

11:05:17

1,918.5000

2

CEUX

Genmab A/S

24/05/2024

11:06:20

1,922.0000

40

XCSE

Genmab A/S

24/05/2024

11:06:32

1,921.5000

16

CEUX

Genmab A/S

24/05/2024

11:06:32

1,921.5000

19

CEUX

Genmab A/S

24/05/2024

11:06:32

1,921.5000

35

CEUX

Genmab A/S

24/05/2024

11:06:47

1,922.5000

38

CEUX

Genmab A/S

24/05/2024

11:07:02

1,922.5000

37

CEUX

Genmab A/S

24/05/2024

11:08:02

1,922.5000

37

XCSE

Genmab A/S

24/05/2024

11:08:02

1,922.5000

38

XCSE

Genmab A/S

24/05/2024

11:09:02

1,926.5000

39

XCSE

Genmab A/S

24/05/2024

11:09:02

1,926.5000

35

CEUX

Genmab A/S

24/05/2024

11:09:05

1,927.0000

36

AQEU

Genmab A/S

24/05/2024

11:09:59

1,927.5000

43

XCSE

Genmab A/S

24/05/2024

11:09:59

1,927.5000

39

CEUX

Genmab A/S

24/05/2024

11:11:08

1,927.5000

38

XCSE

Genmab A/S

24/05/2024

11:11:08

1,927.5000

39

TQEX

Genmab A/S

24/05/2024

11:11:08

1,927.5000

2

TQEX

Genmab A/S

24/05/2024

11:11:09

1,925.5000

36

XCSE

Genmab A/S

24/05/2024

11:12:24

1,930.5000

38

XCSE

Genmab A/S

24/05/2024

11:12:24

1,930.5000

12

XCSE

Genmab A/S

24/05/2024

11:12:24

1,930.5000

25

XCSE

Genmab A/S

24/05/2024

11:12:49

1,930.5000

37

XCSE

Genmab A/S

24/05/2024

11:12:49

1,930.5000

2

XCSE

Genmab A/S

24/05/2024

11:13:57

1,930.0000

19

CEUX

Genmab A/S

24/05/2024

11:13:57

1,930.0000

18

CEUX

Genmab A/S

24/05/2024

11:13:57

1,930.0000

23

XCSE

Genmab A/S

24/05/2024

11:13:57

1,930.0000

17

XCSE

Genmab A/S

24/05/2024

11:14:17

1,933.5000

36

XCSE

Genmab A/S

24/05/2024

11:14:17

1,933.5000

9

AQEU

Genmab A/S

24/05/2024

11:14:17

1,933.5000

29

AQEU

Genmab A/S

24/05/2024

11:14:57

1,933.0000

43

XCSE

Genmab A/S

24/05/2024

11:15:16

1,931.5000

39

XCSE

Genmab A/S

24/05/2024

11:16:02

1,933.0000

16

XCSE

41


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

11:16:02

1,933.0000

21

XCSE

Genmab A/S

24/05/2024

11:16:30

1,932.0000

37

AQEU

Genmab A/S

24/05/2024

11:17:26

1,932.5000

7

CEUX

Genmab A/S

24/05/2024

11:17:26

1,932.5000

27

CEUX

Genmab A/S

24/05/2024

11:17:26

1,932.5000

23

AQEU

Genmab A/S

24/05/2024

11:17:26

1,932.5000

15

AQEU

Genmab A/S

24/05/2024

11:17:26

1,932.5000

35

XCSE

Genmab A/S

24/05/2024

11:18:05

1,932.0000

38

XCSE

Genmab A/S

24/05/2024

11:18:06

1,930.5000

37

CEUX

Genmab A/S

24/05/2024

11:19:32

1,933.0000

76

CEUX

Genmab A/S

24/05/2024

11:19:32

1,933.0000

37

AQEU

Genmab A/S

24/05/2024

11:20:23

1,933.0000

37

XCSE

Genmab A/S

24/05/2024

11:20:27

1,931.0000

36

CEUX

Genmab A/S

24/05/2024

11:20:57

1,933.0000

34

XCSE

Genmab A/S

24/05/2024

11:21:47

1,931.5000

36

CEUX

Genmab A/S

24/05/2024

11:21:47

1,931.5000

38

CEUX

Genmab A/S

24/05/2024

11:22:21

1,930.0000

38

CEUX

Genmab A/S

24/05/2024

11:23:27

1,932.0000

44

CEUX

Genmab A/S

24/05/2024

11:23:27

1,932.0000

17

AQEU

Genmab A/S

24/05/2024

11:23:27

1,932.0000

23

AQEU

Genmab A/S

24/05/2024

11:24:44

1,932.0000

43

XCSE

Genmab A/S

24/05/2024

11:24:44

1,932.0000

40

CEUX

Genmab A/S

24/05/2024

11:24:44

1,931.0000

41

XCSE

Genmab A/S

24/05/2024

11:24:44

1,930.5000

41

CEUX

Genmab A/S

24/05/2024

11:26:06

1,930.0000

45

XCSE

Genmab A/S

24/05/2024

11:27:07

1,931.0000

12

CEUX

Genmab A/S

24/05/2024

11:27:07

1,931.0000

27

CEUX

Genmab A/S

24/05/2024

11:27:07

1,930.5000

33

CEUX

Genmab A/S

24/05/2024

11:27:07

1,930.5000

10

CEUX

Genmab A/S

24/05/2024

11:28:06

1,930.5000

30

CEUX

Genmab A/S

24/05/2024

11:28:06

1,930.5000

15

CEUX

Genmab A/S

24/05/2024

11:28:06

1,930.5000

46

CEUX

Genmab A/S

24/05/2024

11:28:50

1,929.0000

43

XCSE

Genmab A/S

24/05/2024

11:28:51

1,926.5000

35

CEUX

Genmab A/S

24/05/2024

11:28:51

1,926.5000

15

TQEX

Genmab A/S

24/05/2024

11:28:51

1,926.5000

25

TQEX

Genmab A/S

24/05/2024

11:28:51

1,927.0000

41

CEUX

Genmab A/S

24/05/2024

11:28:51

1,927.0000

33

XCSE

Genmab A/S

24/05/2024

11:28:51

1,927.0000

8

XCSE

Genmab A/S

24/05/2024

11:31:02

1,925.0000

37

XCSE

42


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

11:31:36

1,922.5000

45

XCSE

Genmab A/S

24/05/2024

11:31:58

1,922.0000

44

AQEU

Genmab A/S

24/05/2024

11:33:12

1,919.0000

19

CEUX

Genmab A/S

24/05/2024

11:33:12

1,919.0000

24

CEUX

Genmab A/S

24/05/2024

11:33:54

1,920.0000

6

AQEU

Genmab A/S

24/05/2024

11:33:54

1,920.0000

41

AQEU

Genmab A/S

24/05/2024

11:34:20

1,921.0000

41

XCSE

Genmab A/S

24/05/2024

11:34:27

1,920.5000

48

CEUX

Genmab A/S

24/05/2024

11:34:58

1,918.0000

49

CEUX

Genmab A/S

24/05/2024

11:36:17

1,920.5000

50

XCSE

Genmab A/S

24/05/2024

11:36:17

1,920.5000

8

XCSE

Genmab A/S

24/05/2024

11:36:17

1,920.5000

47

CEUX

Genmab A/S

24/05/2024

11:37:02

1,919.5000

19

CEUX

Genmab A/S

24/05/2024

11:37:02

1,919.5000

8

CEUX

Genmab A/S

24/05/2024

11:37:02

1,919.5000

13

CEUX

Genmab A/S

24/05/2024

11:37:43

1,919.0000

35

XCSE

Genmab A/S

24/05/2024

11:37:55

1,920.0000

38

AQEU

Genmab A/S

24/05/2024

11:39:00

1,919.0000

39

CEUX

Genmab A/S

24/05/2024

11:39:00

1,919.0000

36

CEUX

Genmab A/S

24/05/2024

11:39:15

1,918.0000

35

CEUX

Genmab A/S

24/05/2024

11:40:30

1,921.0000

40

XCSE

Genmab A/S

24/05/2024

11:40:30

1,921.0000

42

CEUX

Genmab A/S

24/05/2024

11:40:31

1,920.0000

41

XCSE

Genmab A/S

24/05/2024

11:41:11

1,920.5000

11

CEUX

Genmab A/S

24/05/2024

11:41:11

1,920.5000

28

CEUX

Genmab A/S

24/05/2024

11:41:48

1,920.0000

29

AQEU

Genmab A/S

24/05/2024

11:42:50

1,921.0000

35

AQEU

Genmab A/S

24/05/2024

11:42:51

1,921.0000

19

CEUX

Genmab A/S

24/05/2024

11:43:02

1,921.0000

11

TQEX

Genmab A/S

24/05/2024

11:43:02

1,921.0000

23

TQEX

Genmab A/S

24/05/2024

11:43:02

1,921.0000

34

XCSE

Genmab A/S

24/05/2024

11:43:41

1,921.0000

43

XCSE

Genmab A/S

24/05/2024

11:44:01

1,920.0000

42

XCSE

Genmab A/S

24/05/2024

11:44:03

1,918.5000

41

XCSE

Genmab A/S

24/05/2024

11:44:04

1,917.5000

45

TQEX

Genmab A/S

24/05/2024

11:45:30

1,915.0000

17

XCSE

Genmab A/S

24/05/2024

11:46:02

1,915.0000

37

XCSE

Genmab A/S

24/05/2024

11:46:43

1,913.5000

34

XCSE

Genmab A/S

24/05/2024

11:46:43

1,913.5000

2

XCSE

Genmab A/S

24/05/2024

11:46:43

1,913.5000

7

XCSE

43


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

11:47:51

1,913.5000

45

XCSE

Genmab A/S

24/05/2024

11:47:51

1,913.5000

24

CEUX

Genmab A/S

24/05/2024

11:47:51

1,913.5000

14

CEUX

Genmab A/S

24/05/2024

11:47:52

1,912.5000

34

CEUX

Genmab A/S

24/05/2024

11:48:33

1,913.5000

25

XCSE

Genmab A/S

24/05/2024

11:48:33

1,913.5000

19

XCSE

Genmab A/S

24/05/2024

11:49:02

1,912.5000

19

XCSE

Genmab A/S

24/05/2024

11:50:04

1,914.0000

27

XCSE

Genmab A/S

24/05/2024

11:50:04

1,914.0000

7

XCSE

Genmab A/S

24/05/2024

11:50:04

1,914.0000

37

XCSE

Genmab A/S

24/05/2024

11:50:09

1,912.5000

40

XCSE

Genmab A/S

24/05/2024

11:50:44

1,912.5000

37

CEUX

Genmab A/S

24/05/2024

11:51:07

1,911.5000

25

CEUX

Genmab A/S

24/05/2024

11:52:05

1,912.0000

1

XCSE

Genmab A/S

24/05/2024

11:52:23

1,912.0000

43

XCSE

Genmab A/S

24/05/2024

11:52:23

1,912.0000

37

XCSE

Genmab A/S

24/05/2024

11:52:36

1,909.5000

6

CEUX

Genmab A/S

24/05/2024

11:52:36

1,909.5000

14

CEUX

Genmab A/S

24/05/2024

11:52:36

1,909.5000

21

CEUX

Genmab A/S

24/05/2024

11:53:57

1,915.0000

37

CEUX

Genmab A/S

24/05/2024

11:53:57

1,915.0000

38

XCSE

Genmab A/S

24/05/2024

11:55:07

1,914.5000

35

CEUX

Genmab A/S

24/05/2024

11:55:07

1,914.5000

45

CEUX

Genmab A/S

24/05/2024

11:56:21

1,914.0000

38

CEUX

Genmab A/S

24/05/2024

11:56:21

1,914.0000

38

CEUX

Genmab A/S

24/05/2024

11:56:21

1,914.0000

37

CEUX

Genmab A/S

24/05/2024

11:57:16

1,913.5000

46

CEUX

Genmab A/S

24/05/2024

11:57:16

1,913.5000

39

XCSE

Genmab A/S

24/05/2024

11:58:31

1,916.0000

51

XCSE

Genmab A/S

24/05/2024

11:58:31

1,916.0000

39

XCSE

Genmab A/S

24/05/2024

11:58:55

1,915.0000

35

XCSE

Genmab A/S

24/05/2024

11:59:30

1,914.5000

22

XCSE

Genmab A/S

24/05/2024

11:59:30

1,914.5000

14

XCSE

Genmab A/S

24/05/2024

12:00:09

1,913.5000

36

XCSE

Genmab A/S

24/05/2024

12:00:28

1,913.5000

17

CEUX

Genmab A/S

24/05/2024

12:00:28

1,913.5000

24

CEUX

Genmab A/S

24/05/2024

12:01:09

1,913.0000

36

CEUX

Genmab A/S

24/05/2024

12:01:09

1,913.0000

4

CEUX

Genmab A/S

24/05/2024

12:01:09

1,913.0000

38

TQEX

Genmab A/S

24/05/2024

12:01:24

1,910.0000

38

CEUX

44


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

12:01:24

1,910.5000

36

TQEX

Genmab A/S

24/05/2024

12:01:24

1,910.5000

37

XCSE

Genmab A/S

24/05/2024

12:01:24

1,910.0000

34

XCSE

Genmab A/S

24/05/2024

12:03:43

1,909.0000

16

CEUX

Genmab A/S

24/05/2024

12:03:43

1,909.0000

2

CEUX

Genmab A/S

24/05/2024

12:03:43

1,909.0000

2

CEUX

Genmab A/S

24/05/2024

12:03:43

1,909.0000

26

CEUX

Genmab A/S

24/05/2024

12:04:24

1,909.0000

37

XCSE

Genmab A/S

24/05/2024

12:04:27

1,907.5000

53

CEUX

Genmab A/S

24/05/2024

12:06:48

1,909.5000

24

XCSE

Genmab A/S

24/05/2024

12:06:48

1,909.5000

24

XCSE

Genmab A/S

24/05/2024

12:06:48

1,909.5000

21

XCSE

Genmab A/S

24/05/2024

12:07:27

1,908.5000

76

XCSE

Genmab A/S

24/05/2024

12:07:27

1,908.5000

17

XCSE

Genmab A/S

24/05/2024

12:07:27

1,908.5000

19

XCSE

Genmab A/S

24/05/2024

12:07:27

1,908.5000

2

XCSE

Genmab A/S

24/05/2024

12:08:54

1,911.5000

45

CEUX

Genmab A/S

24/05/2024

12:08:54

1,911.5000

80

XCSE

Genmab A/S

24/05/2024

12:10:12

1,912.5000

36

CEUX

Genmab A/S

24/05/2024

12:10:12

1,912.5000

19

AQEU

Genmab A/S

24/05/2024

12:10:12

1,912.5000

23

AQEU

Genmab A/S

24/05/2024

12:10:57

1,911.5000

37

XCSE

Genmab A/S

24/05/2024

12:11:15

1,912.0000

42

CEUX

Genmab A/S

24/05/2024

12:11:53

1,912.0000

5

CEUX

Genmab A/S

24/05/2024

12:12:02

1,912.0000

35

CEUX

Genmab A/S

24/05/2024

12:12:48

1,912.5000

42

XCSE

Genmab A/S

24/05/2024

12:12:48

1,912.5000

36

CEUX

Genmab A/S

24/05/2024

12:13:08

1,911.0000

21

XCSE

Genmab A/S

24/05/2024

12:13:08

1,911.0000

15

XCSE

Genmab A/S

24/05/2024

12:13:49

1,911.0000

39

CEUX

Genmab A/S

24/05/2024

12:14:23

1,914.5000

34

AQEU

Genmab A/S

24/05/2024

12:15:06

1,915.0000

42

XCSE

Genmab A/S

24/05/2024

12:15:06

1,915.0000

36

XCSE

Genmab A/S

24/05/2024

12:15:06

1,914.0000

36

CEUX

Genmab A/S

24/05/2024

12:15:56

1,912.5000

34

CEUX

Genmab A/S

24/05/2024

12:16:42

1,912.0000

5

AQEU

Genmab A/S

24/05/2024

12:16:42

1,912.0000

6

AQEU

Genmab A/S

24/05/2024

12:16:42

1,912.0000

28

AQEU

Genmab A/S

24/05/2024

12:17:28

1,912.0000

36

XCSE

Genmab A/S

24/05/2024

12:17:28

1,912.0000

39

XCSE

45


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

12:17:28

1,911.0000

38

XCSE

Genmab A/S

24/05/2024

12:17:28

1,911.0000

41

TQEX

Genmab A/S

24/05/2024

12:19:19

1,911.0000

38

XCSE

Genmab A/S

24/05/2024

12:20:25

1,910.0000

12

CEUX

Genmab A/S

24/05/2024

12:20:35

1,910.0000

24

CEUX

Genmab A/S

24/05/2024

12:20:35

1,910.0000

45

CEUX

Genmab A/S

24/05/2024

12:20:52

1,911.0000

17

CEUX

Genmab A/S

24/05/2024

12:20:55

1,911.0000

40

XCSE

Genmab A/S

24/05/2024

12:22:44

1,910.5000

39

XCSE

Genmab A/S

24/05/2024

12:22:44

1,910.5000

69

CEUX

Genmab A/S

24/05/2024

12:22:44

1,910.5000

45

CEUX

Genmab A/S

24/05/2024

12:24:02

1,910.0000

42

CEUX

Genmab A/S

24/05/2024

12:24:02

1,910.0000

27

AQEU

Genmab A/S

24/05/2024

12:24:02

1,910.0000

12

AQEU

Genmab A/S

24/05/2024

12:24:49

1,911.0000

14

CEUX

Genmab A/S

24/05/2024

12:24:54

1,911.0000

42

XCSE

Genmab A/S

24/05/2024

12:24:54

1,911.0000

30

CEUX

Genmab A/S

24/05/2024

12:25:38

1,911.5000

20

AQEU

Genmab A/S

24/05/2024

12:25:38

1,911.5000

28

AQEU

Genmab A/S

24/05/2024

12:26:50

1,915.0000

6

CEUX

Genmab A/S

24/05/2024

12:26:50

1,915.0000

43

CEUX

Genmab A/S

24/05/2024

12:26:50

1,915.0000

39

TQEX

Genmab A/S

24/05/2024

12:28:38

1,914.0000

37

XCSE

Genmab A/S

24/05/2024

12:28:38

1,914.0000

47

CEUX

Genmab A/S

24/05/2024

12:29:36

1,913.0000

41

XCSE

Genmab A/S

24/05/2024

12:29:36

1,913.0000

39

AQEU

Genmab A/S

24/05/2024

12:29:51

1,912.5000

46

XCSE

Genmab A/S

24/05/2024

12:31:06

1,915.0000

35

XCSE

Genmab A/S

24/05/2024

12:31:06

1,915.0000

46

CEUX

Genmab A/S

24/05/2024

12:31:09

1,915.0000

39

XCSE

Genmab A/S

24/05/2024

12:33:19

1,915.5000

37

XCSE

Genmab A/S

24/05/2024

12:33:27

1,915.0000

39

XCSE

Genmab A/S

24/05/2024

12:33:27

1,915.0000

27

CEUX

Genmab A/S

24/05/2024

12:33:28

1,915.0000

13

CEUX

Genmab A/S

24/05/2024

12:33:28

1,915.0000

14

CEUX

Genmab A/S

24/05/2024

12:33:28

1,915.0000

19

CEUX

Genmab A/S

24/05/2024

12:33:49

1,912.0000

2

XCSE

Genmab A/S

24/05/2024

12:33:49

1,912.0000

36

XCSE

Genmab A/S

24/05/2024

12:33:49

1,914.0000

40

XCSE

Genmab A/S

24/05/2024

12:33:49

1,914.0000

1

XCSE

46


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

12:33:49

1,911.5000

35

TQEX

Genmab A/S

24/05/2024

12:33:49

1,911.5000

36

XCSE

Genmab A/S

24/05/2024

12:36:02

1,911.0000

12

CEUX

Genmab A/S

24/05/2024

12:36:02

1,911.0000

27

CEUX

Genmab A/S

24/05/2024

12:36:02

1,910.5000

34

CEUX

Genmab A/S

24/05/2024

12:36:02

1,910.5000

16

CEUX

Genmab A/S

24/05/2024

12:36:02

1,910.5000

20

CEUX

Genmab A/S

24/05/2024

12:36:03

1,910.0000

35

CEUX

Genmab A/S

24/05/2024

12:36:03

1,910.0000

38

TQEX

Genmab A/S

24/05/2024

12:39:03

1,913.5000

6

XCSE

Genmab A/S

24/05/2024

12:39:03

1,913.5000

47

XCSE

Genmab A/S

24/05/2024

12:39:03

1,913.5000

38

XCSE

Genmab A/S

24/05/2024

12:39:25

1,912.0000

43

XCSE

Genmab A/S

24/05/2024

12:40:21

1,912.0000

19

CEUX

Genmab A/S

24/05/2024

12:40:21

1,912.0000

24

CEUX

Genmab A/S

24/05/2024

12:41:02

1,911.5000

39

CEUX

Genmab A/S

24/05/2024

12:41:02

1,911.5000

3

CEUX

Genmab A/S

24/05/2024

12:41:02

1,911.5000

41

CEUX

Genmab A/S

24/05/2024

12:41:02

1,910.5000

37

CEUX

Genmab A/S

24/05/2024

12:41:02

1,910.5000

42

XCSE

Genmab A/S

24/05/2024

12:41:21

1,908.0000

12

CEUX

Genmab A/S

24/05/2024

12:41:21

1,908.0000

28

XCSE

Genmab A/S

24/05/2024

12:41:21

1,908.0000

25

CEUX

Genmab A/S

24/05/2024

12:41:21

1,908.0000

11

XCSE

Genmab A/S

24/05/2024

12:43:39

1,915.0000

37

XCSE

Genmab A/S

24/05/2024

12:44:23

1,918.5000

18

XCSE

Genmab A/S

24/05/2024

12:44:34

1,918.5000

35

AQEU

Genmab A/S

24/05/2024

12:45:01

1,917.5000

36

XCSE

Genmab A/S

24/05/2024

12:45:56

1,916.5000

41

XCSE

Genmab A/S

24/05/2024

12:46:36

1,915.5000

20

XCSE

Genmab A/S

24/05/2024

12:46:36

1,915.5000

18

XCSE

Genmab A/S

24/05/2024

12:46:36

1,915.5000

11

AQEU

Genmab A/S

24/05/2024

12:47:02

1,915.5000

39

AQEU

Genmab A/S

24/05/2024

12:47:37

1,915.5000

34

XCSE

Genmab A/S

24/05/2024

12:47:37

1,915.5000

38

XCSE

Genmab A/S

24/05/2024

12:48:03

1,913.5000

21

CEUX

Genmab A/S

24/05/2024

12:48:03

1,913.5000

16

TQEX

Genmab A/S

24/05/2024

12:48:03

1,914.0000

9

AQEU

Genmab A/S

24/05/2024

12:48:13

1,912.0000

13

AQEU

Genmab A/S

24/05/2024

12:49:02

1,910.5000

35

AQEU

47


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

12:49:02

1,910.5000

4

AQEU

Genmab A/S

24/05/2024

12:49:52

1,911.5000

36

XCSE

Genmab A/S

24/05/2024

12:49:52

1,911.5000

14

CEUX

Genmab A/S

24/05/2024

12:49:52

1,911.5000

26

CEUX

Genmab A/S

24/05/2024

12:50:50

1,913.0000

49

CEUX

Genmab A/S

24/05/2024

12:50:50

1,913.0000

36

CEUX

Genmab A/S

24/05/2024

12:51:26

1,912.0000

40

CEUX

Genmab A/S

24/05/2024

12:53:02

1,915.5000

42

XCSE

Genmab A/S

24/05/2024

12:53:02

1,915.5000

28

XCSE

Genmab A/S

24/05/2024

12:53:02

1,915.5000

8

XCSE

Genmab A/S

24/05/2024

12:53:49

1,914.0000

1

CEUX

Genmab A/S

24/05/2024

12:53:49

1,914.0000

40

CEUX

Genmab A/S

24/05/2024

12:53:49

1,914.0000

38

CEUX

Genmab A/S

24/05/2024

12:54:45

1,914.5000

36

XCSE

Genmab A/S

24/05/2024

12:54:45

1,914.5000

42

AQEU

Genmab A/S

24/05/2024

12:55:02

1,914.0000

41

CEUX

Genmab A/S

24/05/2024

12:56:03

1,913.0000

15

XCSE

Genmab A/S

24/05/2024

12:57:17

1,913.0000

42

XCSE

Genmab A/S

24/05/2024

12:57:17

1,913.0000

18

XCSE

Genmab A/S

24/05/2024

12:57:20

1,913.0000

41

XCSE

Genmab A/S

24/05/2024

12:58:13

1,914.5000

30

CEUX

Genmab A/S

24/05/2024

12:58:13

1,914.5000

6

CEUX

Genmab A/S

24/05/2024

12:58:13

1,914.5000

20

AQEU

Genmab A/S

24/05/2024

12:58:13

1,914.5000

37

XCSE

Genmab A/S

24/05/2024

13:00:04

1,914.5000

34

CEUX

Genmab A/S

24/05/2024

13:00:04

1,914.5000

36

XCSE

Genmab A/S

24/05/2024

13:00:55

1,915.0000

23

CEUX

Genmab A/S

24/05/2024

13:00:55

1,915.0000

29

CEUX

Genmab A/S

24/05/2024

13:00:55

1,915.0000

36

XCSE

Genmab A/S

24/05/2024

13:02:02

1,913.5000

40

XCSE

Genmab A/S

24/05/2024

13:02:02

1,913.5000

11

CEUX

Genmab A/S

24/05/2024

13:03:03

1,914.0000

81

XCSE

Genmab A/S

24/05/2024

13:03:27

1,914.0000

19

XCSE

Genmab A/S

24/05/2024

13:03:27

1,914.0000

21

XCSE

Genmab A/S

24/05/2024

13:03:59

1,914.0000

56

TQEX

Genmab A/S

24/05/2024

13:06:03

1,919.5000

43

XCSE

Genmab A/S

24/05/2024

13:06:03

1,919.5000

57

XCSE

Genmab A/S

24/05/2024

13:06:42

1,917.5000

56

AQEU

Genmab A/S

24/05/2024

13:06:42

1,917.5000

4

AQEU

Genmab A/S

24/05/2024

13:06:42

1,916.0000

38

AQEU

48


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

13:08:09

1,917.5000

48

XCSE

Genmab A/S

24/05/2024

13:08:09

1,917.5000

54

CEUX

Genmab A/S

24/05/2024

13:10:02

1,914.5000

47

AQEU

Genmab A/S

24/05/2024

13:10:02

1,914.5000

60

TQEX

Genmab A/S

24/05/2024

13:11:03

1,915.5000

40

CEUX

Genmab A/S

24/05/2024

13:11:03

1,915.5000

22

CEUX

Genmab A/S

24/05/2024

13:11:34

1,916.0000

58

CEUX

Genmab A/S

24/05/2024

13:12:44

1,918.0000

23

XCSE

Genmab A/S

24/05/2024

13:12:44

1,918.0000

23

XCSE

Genmab A/S

24/05/2024

13:12:44

1,918.0000

15

XCSE

Genmab A/S

24/05/2024

13:13:25

1,917.0000

60

AQEU

Genmab A/S

24/05/2024

13:13:48

1,918.0000

20

CEUX

Genmab A/S

24/05/2024

13:13:48

1,918.0000

2

CEUX

Genmab A/S

24/05/2024

13:13:48

1,918.0000

20

CEUX

Genmab A/S

24/05/2024

13:13:48

1,918.0000

17

CEUX

Genmab A/S

24/05/2024

13:15:01

1,917.5000

63

XCSE

Genmab A/S

24/05/2024

13:15:02

1,916.5000

44

CEUX

Genmab A/S

24/05/2024

13:16:16

1,918.0000

29

CEUX

Genmab A/S

24/05/2024

13:16:16

1,918.0000

28

CEUX

Genmab A/S

24/05/2024

13:17:03

1,918.5000

45

CEUX

Genmab A/S

24/05/2024

13:18:58

1,920.5000

26

CEUX

Genmab A/S

24/05/2024

13:18:58

1,920.5000

3

XCSE

Genmab A/S

24/05/2024

13:18:58

1,920.5000

44

XCSE

Genmab A/S

24/05/2024

13:18:58

1,920.5000

26

CEUX

Genmab A/S

24/05/2024

13:18:58

1,920.5000

16

CEUX

Genmab A/S

24/05/2024

13:19:15

1,919.5000

22

TQEX

Genmab A/S

24/05/2024

13:20:05

1,921.0000

42

XCSE

Genmab A/S

24/05/2024

13:20:05

1,921.0000

31

CEUX

Genmab A/S

24/05/2024

13:20:05

1,921.0000

12

CEUX

Genmab A/S

24/05/2024

13:21:02

1,921.0000

43

CEUX

Genmab A/S

24/05/2024

13:21:02

1,921.0000

36

XCSE

Genmab A/S

24/05/2024

13:21:02

1,921.0000

28

XCSE

Genmab A/S

24/05/2024

13:22:00

1,920.0000

45

XCSE

Genmab A/S

24/05/2024

13:22:00

1,920.5000

64

XCSE

Genmab A/S

24/05/2024

13:22:02

1,919.5000

42

XCSE

Genmab A/S

24/05/2024

13:22:03

1,919.5000

1

XCSE

Genmab A/S

24/05/2024

13:22:56

1,919.5000

63

CEUX

Genmab A/S

24/05/2024

13:23:02

1,918.0000

66

XCSE

Genmab A/S

24/05/2024

13:23:03

1,917.5000

19

CEUX

Genmab A/S

24/05/2024

13:24:03

1,915.5000

30

CEUX

49


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

13:24:03

1,915.5000

10

CEUX

Genmab A/S

24/05/2024

13:24:03

1,915.5000

14

AQEU

Genmab A/S

24/05/2024

13:24:03

1,915.5000

43

AQEU

Genmab A/S

24/05/2024

13:27:02

1,915.5000

42

CEUX

Genmab A/S

24/05/2024

13:27:04

1,915.5000

1

CEUX

Genmab A/S

24/05/2024

13:27:05

1,915.5000

34

XCSE

Genmab A/S

24/05/2024

13:28:08

1,915.5000

4

CEUX

Genmab A/S

24/05/2024

13:28:09

1,915.5000

21

CEUX

Genmab A/S

24/05/2024

13:28:10

1,915.5000

22

CEUX

Genmab A/S

24/05/2024

13:28:10

1,915.5000

21

XCSE

Genmab A/S

24/05/2024

13:29:02

1,915.5000

35

XCSE

Genmab A/S

24/05/2024

13:29:22

1,915.5000

21

CEUX

Genmab A/S

24/05/2024

13:30:08

1,915.5000

22

XCSE

Genmab A/S

24/05/2024

13:30:16

1,915.5000

19

CEUX

Genmab A/S

24/05/2024

13:30:27

1,915.5000

6

CEUX

Genmab A/S

24/05/2024

13:30:41

1,915.5000

24

CEUX

Genmab A/S

24/05/2024

13:31:43

1,915.5000

47

XCSE

Genmab A/S

24/05/2024

13:31:43

1,915.5000

36

XCSE

Genmab A/S

24/05/2024

13:31:43

1,915.5000

38

XCSE

Genmab A/S

24/05/2024

13:31:43

1,916.0000

39

XCSE

Genmab A/S

24/05/2024

13:31:43

1,916.0000

50

CEUX

Genmab A/S

24/05/2024

13:31:43

1,916.0000

46

CEUX

Genmab A/S

24/05/2024

13:31:43

1,916.0000

37

CEUX

Genmab A/S

24/05/2024

13:31:43

1,915.5000

45

CEUX

Genmab A/S

24/05/2024

13:35:04

1,911.5000

41

CEUX

Genmab A/S

24/05/2024

13:35:45

1,911.5000

47

XCSE

Genmab A/S

24/05/2024

13:36:48

1,912.0000

41

CEUX

Genmab A/S

24/05/2024

13:36:48

1,912.0000

6

AQEU

Genmab A/S

24/05/2024

13:36:48

1,912.0000

45

XCSE

Genmab A/S

24/05/2024

13:38:02

1,912.5000

39

XCSE

Genmab A/S

24/05/2024

13:38:02

1,912.5000

45

XCSE

Genmab A/S

24/05/2024

13:38:58

1,911.5000

25

CEUX

Genmab A/S

24/05/2024

13:39:02

1,911.5000

53

CEUX

Genmab A/S

24/05/2024

13:39:54

1,912.0000

47

XCSE

Genmab A/S

24/05/2024

13:40:10

1,912.0000

35

CEUX

Genmab A/S

24/05/2024

13:41:02

1,912.0000

39

XCSE

Genmab A/S

24/05/2024

13:41:02

1,912.0000

49

TQEX

Genmab A/S

24/05/2024

13:42:50

1,912.5000

38

CEUX

Genmab A/S

24/05/2024

13:42:50

1,912.5000

14

CEUX

Genmab A/S

24/05/2024

13:42:50

1,912.5000

20

CEUX

50


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

13:42:50

1,912.5000

44

XCSE

Genmab A/S

24/05/2024

13:42:58

1,912.5000

43

XCSE

Genmab A/S

24/05/2024

13:44:31

1,911.5000

36

CEUX

Genmab A/S

24/05/2024

13:44:31

1,911.5000

7

CEUX

Genmab A/S

24/05/2024

13:44:31

1,911.5000

12

CEUX

Genmab A/S

24/05/2024

13:44:31

1,911.5000

27

CEUX

Genmab A/S

24/05/2024

13:45:02

1,911.5000

57

CEUX

Genmab A/S

24/05/2024

13:45:24

1,911.5000

38

CEUX

Genmab A/S

24/05/2024

13:46:05

1,912.0000

22

CEUX

Genmab A/S

24/05/2024

13:46:05

1,912.0000

22

CEUX

Genmab A/S

24/05/2024

13:46:05

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

13:47:03

1,911.5000

34

CEUX

Genmab A/S

24/05/2024

13:48:01

1,912.0000

22

CEUX

Genmab A/S

24/05/2024

13:48:01

1,912.0000

1

CEUX

Genmab A/S

24/05/2024

13:48:01

1,912.0000

21

CEUX

Genmab A/S

24/05/2024

13:48:01

1,912.0000

1

CEUX

Genmab A/S

24/05/2024

13:48:01

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

13:48:01

1,912.0000

35

XCSE

Genmab A/S

24/05/2024

13:48:01

1,912.0000

1

XCSE

Genmab A/S

24/05/2024

13:48:02

1,911.5000

37

XCSE

Genmab A/S

24/05/2024

13:48:02

1,911.5000

27

XCSE

Genmab A/S

24/05/2024

13:49:02

1,911.0000

49

XCSE

Genmab A/S

24/05/2024

13:49:02

1,911.0000

2

XCSE

Genmab A/S

24/05/2024

13:49:02

1,911.0000

38

XCSE

Genmab A/S

24/05/2024

13:49:33

1,910.0000

58

CEUX

Genmab A/S

24/05/2024

13:49:33

1,910.0000

35

CEUX

Genmab A/S

24/05/2024

13:49:33

1,910.0000

61

XCSE

Genmab A/S

24/05/2024

13:49:33

1,909.5000

47

XCSE

Genmab A/S

24/05/2024

13:49:33

1,909.5000

36

XCSE

Genmab A/S

24/05/2024

13:54:08

1,907.5000

57

XCSE

Genmab A/S

24/05/2024

13:54:13

1,907.5000

44

XCSE

Genmab A/S

24/05/2024

13:54:13

1,907.5000

18

CEUX

Genmab A/S

24/05/2024

13:54:13

1,907.5000

19

CEUX

Genmab A/S

24/05/2024

13:56:34

1,911.5000

24

XCSE

Genmab A/S

24/05/2024

13:56:34

1,911.5000

20

XCSE

Genmab A/S

24/05/2024

13:56:34

1,911.5000

61

XCSE

Genmab A/S

24/05/2024

13:57:07

1,911.0000

46

XCSE

Genmab A/S

24/05/2024

13:57:40

1,911.0000

24

CEUX

Genmab A/S

24/05/2024

13:57:40

1,911.0000

24

CEUX

Genmab A/S

24/05/2024

13:57:40

1,911.0000

18

CEUX

51


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

13:58:52

1,909.5000

46

XCSE

Genmab A/S

24/05/2024

13:58:52

1,909.5000

21

TQEX

Genmab A/S

24/05/2024

13:58:52

1,909.5000

21

TQEX

Genmab A/S

24/05/2024

13:58:52

1,909.5000

21

TQEX

Genmab A/S

24/05/2024

13:58:52

1,909.5000

1

TQEX

Genmab A/S

24/05/2024

14:01:06

1,911.0000

44

CEUX

Genmab A/S

24/05/2024

14:01:06

1,911.0000

27

CEUX

Genmab A/S

24/05/2024

14:01:06

1,911.0000

22

XCSE

Genmab A/S

24/05/2024

14:01:07

1,911.0000

39

TQEX

Genmab A/S

24/05/2024

14:01:07

1,911.0000

22

XCSE

Genmab A/S

24/05/2024

14:01:07

1,911.0000

27

CEUX

Genmab A/S

24/05/2024

14:01:07

1,911.0000

12

CEUX

Genmab A/S

24/05/2024

14:01:07

1,911.0000

5

TQEX

Genmab A/S

24/05/2024

14:01:07

1,911.0000

19

XCSE

Genmab A/S

24/05/2024

14:01:08

1,910.5000

38

XCSE

Genmab A/S

24/05/2024

14:01:08

1,910.5000

13

XCSE

Genmab A/S

24/05/2024

14:03:59

1,910.5000

78

XCSE

Genmab A/S

24/05/2024

14:03:59

1,910.5000

51

CEUX

Genmab A/S

24/05/2024

14:06:02

1,914.5000

45

CEUX

Genmab A/S

24/05/2024

14:06:02

1,914.5000

23

CEUX

Genmab A/S

24/05/2024

14:06:02

1,914.5000

4

CEUX

Genmab A/S

24/05/2024

14:06:02

1,914.5000

43

CEUX

Genmab A/S

24/05/2024

14:06:02

1,914.5000

6

AQEU

Genmab A/S

24/05/2024

14:06:02

1,914.5000

47

XCSE

Genmab A/S

24/05/2024

14:06:42

1,914.5000

17

XCSE

Genmab A/S

24/05/2024

14:06:42

1,914.5000

28

XCSE

Genmab A/S

24/05/2024

14:07:50

1,913.5000

46

XCSE

Genmab A/S

24/05/2024

14:08:06

1,913.0000

35

AQEU

Genmab A/S

24/05/2024

14:09:26

1,912.0000

19

XCSE

Genmab A/S

24/05/2024

14:09:49

1,912.5000

18

CEUX

Genmab A/S

24/05/2024

14:09:52

1,912.5000

7

CEUX

Genmab A/S

24/05/2024

14:09:58

1,912.5000

23

CEUX

Genmab A/S

24/05/2024

14:11:25

1,914.0000

36

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

7

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

15

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

21

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

16

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

22

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

14

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

22

XCSE

52


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

14:11:25

1,914.0000

30

XCSE

Genmab A/S

24/05/2024

14:11:25

1,914.0000

2

XCSE

Genmab A/S

24/05/2024

14:11:25

1,913.5000

43

CEUX

Genmab A/S

24/05/2024

14:11:25

1,913.5000

22

CEUX

Genmab A/S

24/05/2024

14:12:29

1,912.0000

38

CEUX

Genmab A/S

24/05/2024

14:14:11

1,911.0000

61

XCSE

Genmab A/S

24/05/2024

14:14:51

1,912.0000

41

XCSE

Genmab A/S

24/05/2024

14:16:03

1,912.0000

22

CEUX

Genmab A/S

24/05/2024

14:16:35

1,912.0000

2

XCSE

Genmab A/S

24/05/2024

14:16:35

1,912.0000

66

XCSE

Genmab A/S

24/05/2024

14:16:35

1,912.0000

43

XCSE

Genmab A/S

24/05/2024

14:17:46

1,911.0000

31

CEUX

Genmab A/S

24/05/2024

14:17:54

1,911.0000

37

CEUX

Genmab A/S

24/05/2024

14:17:55

1,911.0000

44

CEUX

Genmab A/S

24/05/2024

14:18:44

1,912.0000

25

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

26

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

23

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

5

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

5

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

21

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

23

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

5

XCSE

Genmab A/S

24/05/2024

14:19:51

1,913.5000

11

XCSE

Genmab A/S

24/05/2024

14:20:37

1,913.0000

41

CEUX

Genmab A/S

24/05/2024

14:21:29

1,912.0000

37

CEUX

Genmab A/S

24/05/2024

14:21:29

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

14:21:29

1,912.0000

61

CEUX

Genmab A/S

24/05/2024

14:21:30

1,912.0000

72

XCSE

Genmab A/S

24/05/2024

14:21:30

1,912.0000

16

XCSE

Genmab A/S

24/05/2024

14:21:31

1,911.5000

88

XCSE

Genmab A/S

24/05/2024

14:21:31

1,911.5000

37

XCSE

Genmab A/S

24/05/2024

14:21:35

1,911.0000

41

TQEX

Genmab A/S

24/05/2024

14:23:50

1,913.0000

59

XCSE

Genmab A/S

24/05/2024

14:23:50

1,912.5000

39

AQEU

Genmab A/S

24/05/2024

14:27:38

1,911.5000

43

XCSE

Genmab A/S

24/05/2024

14:27:38

1,911.5000

52

XCSE

Genmab A/S

24/05/2024

14:27:38

1,911.5000

38

CEUX

Genmab A/S

24/05/2024

14:27:38

1,911.5000

6

TQEX

Genmab A/S

24/05/2024

14:27:38

1,911.5000

6

XCSE

Genmab A/S

24/05/2024

14:30:19

1,913.5000

19

CEUX

53


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

14:30:19

1,913.5000

17

XCSE

Genmab A/S

24/05/2024

14:30:38

1,912.5000

75

XCSE

Genmab A/S

24/05/2024

14:30:38

1,912.5000

44

XCSE

Genmab A/S

24/05/2024

14:30:38

1,912.5000

68

CEUX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

39

CEUX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

10

TQEX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

6

TQEX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

39

CEUX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

8

CEUX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

6

AQEU

Genmab A/S

24/05/2024

14:30:38

1,912.5000

44

XCSE

Genmab A/S

24/05/2024

14:30:38

1,912.5000

4

XCSE

Genmab A/S

24/05/2024

14:30:38

1,912.5000

31

CEUX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

10

CEUX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

6

TQEX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

4

TQEX

Genmab A/S

24/05/2024

14:30:38

1,912.5000

31

CEUX

Genmab A/S

24/05/2024

14:34:47

1,912.0000

89

CEUX

Genmab A/S

24/05/2024

14:34:47

1,912.0000

78

XCSE

Genmab A/S

24/05/2024

14:36:59

1,911.5000

24

CEUX

Genmab A/S

24/05/2024

14:37:26

1,912.0000

34

XCSE

Genmab A/S

24/05/2024

14:37:42

1,912.0000

10

XCSE

Genmab A/S

24/05/2024

14:37:42

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

1

AQEU

Genmab A/S

24/05/2024

14:37:42

1,912.0000

5

TQEX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

5

TQEX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

10

XCSE

Genmab A/S

24/05/2024

14:37:42

1,912.0000

71

XCSE

Genmab A/S

24/05/2024

14:37:42

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

14:37:42

1,912.0000

1

AQEU

Genmab A/S

24/05/2024

14:37:43

1,912.0000

27

XCSE

Genmab A/S

24/05/2024

14:40:01

1,912.5000

8

CEUX

Genmab A/S

24/05/2024

14:40:01

1,912.5000

66

CEUX

Genmab A/S

24/05/2024

14:40:01

1,912.5000

29

CEUX

Genmab A/S

24/05/2024

14:40:01

1,912.5000

15

CEUX

Genmab A/S

24/05/2024

14:40:01

1,912.5000

29

CEUX

Genmab A/S

24/05/2024

14:40:01

1,912.5000

7

CEUX

54


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

14:40:01

1,912.0000

83

XCSE

Genmab A/S

24/05/2024

14:40:01

1,912.0000

49

XCSE

Genmab A/S

24/05/2024

14:40:01

1,912.0000

49

XCSE

Genmab A/S

24/05/2024

14:40:01

1,912.0000

12

XCSE

Genmab A/S

24/05/2024

14:42:05

1,912.0000

49

XCSE

Genmab A/S

24/05/2024

14:42:05

1,912.0000

24

XCSE

Genmab A/S

24/05/2024

14:42:05

1,912.0000

49

XCSE

Genmab A/S

24/05/2024

14:42:31

1,911.5000

10

XCSE

Genmab A/S

24/05/2024

14:42:31

1,911.5000

10

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

9

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

1

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

10

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

2

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

5

TQEX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

10

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

2

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

1

AQEU

Genmab A/S

24/05/2024

14:42:31

1,911.5000

10

XCSE

Genmab A/S

24/05/2024

14:42:31

1,911.5000

10

XCSE

Genmab A/S

24/05/2024

14:42:31

1,911.5000

19

XCSE

Genmab A/S

24/05/2024

14:42:31

1,911.5000

26

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

26

CEUX

Genmab A/S

24/05/2024

14:42:31

1,911.5000

26

CEUX

Genmab A/S

24/05/2024

14:42:32

1,911.0000

48

XCSE

Genmab A/S

24/05/2024

14:42:32

1,911.0000

63

XCSE

Genmab A/S

24/05/2024

14:42:32

1,911.0000

5

TQEX

Genmab A/S

24/05/2024

14:42:32

1,911.0000

42

TQEX

Genmab A/S

24/05/2024

14:42:32

1,911.0000

3

TQEX

Genmab A/S

24/05/2024

14:42:32

1,911.0000

9

TQEX

Genmab A/S

24/05/2024

14:42:32

1,910.5000

77

XCSE

Genmab A/S

24/05/2024

14:42:32

1,910.5000

4

XCSE

Genmab A/S

24/05/2024

14:42:32

1,910.5000

31

XCSE

Genmab A/S

24/05/2024

14:42:32

1,910.5000

71

CEUX

Genmab A/S

24/05/2024

14:42:32

1,910.5000

3

CEUX

Genmab A/S

24/05/2024

14:42:32

1,910.5000

65

CEUX

Genmab A/S

24/05/2024

14:48:34

1,912.5000

73

XCSE

Genmab A/S

24/05/2024

14:48:34

1,912.5000

48

XCSE

Genmab A/S

24/05/2024

14:48:34

1,912.5000

48

XCSE

Genmab A/S

24/05/2024

14:48:35

1,912.5000

21

XCSE

Genmab A/S

24/05/2024

14:48:37

1,912.0000

44

XCSE

55


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

14:48:37

1,912.0000

76

XCSE

Genmab A/S

24/05/2024

14:48:39

1,912.0000

26

XCSE

Genmab A/S

24/05/2024

14:48:39

1,912.0000

18

XCSE

Genmab A/S

24/05/2024

14:54:23

1,912.5000

35

CEUX

Genmab A/S

24/05/2024

14:54:45

1,912.5000

3

CEUX

Genmab A/S

24/05/2024

14:54:45

1,912.5000

4

CEUX

Genmab A/S

24/05/2024

14:54:45

1,912.5000

22

CEUX

Genmab A/S

24/05/2024

14:54:45

1,912.5000

9

CEUX

Genmab A/S

24/05/2024

14:55:42

1,912.5000

8

TQEX

Genmab A/S

24/05/2024

14:55:42

1,912.5000

2

TQEX

Genmab A/S

24/05/2024

14:55:57

1,912.5000

2

TQEX

Genmab A/S

24/05/2024

14:56:02

1,912.5000

8

TQEX

Genmab A/S

24/05/2024

14:56:02

1,912.5000

1

TQEX

Genmab A/S

24/05/2024

14:56:17

1,912.5000

8

TQEX

Genmab A/S

24/05/2024

14:56:17

1,912.5000

1

TQEX

Genmab A/S

24/05/2024

14:56:17

1,912.5000

10

TQEX

Genmab A/S

24/05/2024

14:56:17

1,912.5000

16

XCSE

Genmab A/S

24/05/2024

14:56:50

1,911.5000

9

XCSE

Genmab A/S

24/05/2024

14:56:50

1,911.5000

27

XCSE

Genmab A/S

24/05/2024

14:56:50

1,911.5000

9

XCSE

Genmab A/S

24/05/2024

14:56:50

1,911.5000

27

XCSE

Genmab A/S

24/05/2024

14:56:50

1,911.5000

10

CEUX

Genmab A/S

24/05/2024

14:56:53

1,911.5000

10

CEUX

Genmab A/S

24/05/2024

14:56:55

1,911.5000

5

TQEX

Genmab A/S

24/05/2024

14:56:55

1,911.5000

10

CEUX

Genmab A/S

24/05/2024

14:56:55

1,911.5000

1

CEUX

Genmab A/S

24/05/2024

14:56:55

1,911.5000

9

XCSE

Genmab A/S

24/05/2024

14:56:55

1,911.5000

27

XCSE

Genmab A/S

24/05/2024

14:56:55

1,911.5000

5

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

27

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

24

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

21

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

6

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

24

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

12

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

24

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

24

XCSE

Genmab A/S

24/05/2024

14:57:21

1,911.5000

14

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

52

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

14

XCSE

56


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

14:57:26

1,910.5000

27

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

5

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

15

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

32

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

15

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

26

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

14

XCSE

Genmab A/S

24/05/2024

14:57:26

1,910.5000

4

XCSE

Genmab A/S

24/05/2024

14:59:34

1,908.5000

52

XCSE

Genmab A/S

24/05/2024

14:59:34

1,908.5000

52

XCSE

Genmab A/S

24/05/2024

14:59:34

1,908.5000

82

CEUX

Genmab A/S

24/05/2024

14:59:34

1,908.5000

80

CEUX

Genmab A/S

24/05/2024

14:59:34

1,908.5000

52

XCSE

Genmab A/S

24/05/2024

14:59:34

1,908.5000

52

XCSE

Genmab A/S

24/05/2024

14:59:34

1,908.5000

6

XCSE

Genmab A/S

24/05/2024

14:59:34

1,908.5000

6

XCSE

Genmab A/S

24/05/2024

15:04:07

1,911.0000

27

XCSE

Genmab A/S

24/05/2024

15:04:07

1,911.0000

20

XCSE

Genmab A/S

24/05/2024

15:04:07

1,911.0000

27

XCSE

Genmab A/S

24/05/2024

15:04:07

1,911.0000

60

XCSE

Genmab A/S

24/05/2024

15:05:59

1,911.5000

82

XCSE

Genmab A/S

24/05/2024

15:06:41

1,912.0000

23

XCSE

Genmab A/S

24/05/2024

15:07:05

1,912.0000

88

XCSE

Genmab A/S

24/05/2024

15:07:05

1,912.0000

23

CEUX

Genmab A/S

24/05/2024

15:07:05

1,912.0000

55

CEUX

Genmab A/S

24/05/2024

15:07:05

1,912.0000

7

AQEU

Genmab A/S

24/05/2024

15:07:05

1,912.0000

13

TQEX

Genmab A/S

24/05/2024

15:07:05

1,912.0000

4

XCSE

Genmab A/S

24/05/2024

15:09:08

1,912.0000

77

CEUX

Genmab A/S

24/05/2024

15:09:09

1,911.5000

45

XCSE

Genmab A/S

24/05/2024

15:10:57

1,911.5000

1

XCSE

Genmab A/S

24/05/2024

15:11:08

1,911.5000

26

XCSE

Genmab A/S

24/05/2024

15:11:08

1,911.5000

26

XCSE

Genmab A/S

24/05/2024

15:11:08

1,911.5000

26

XCSE

Genmab A/S

24/05/2024

15:11:08

1,911.5000

14

XCSE

Genmab A/S

24/05/2024

15:11:11

1,911.0000

89

XCSE

Genmab A/S

24/05/2024

15:11:11

1,911.0000

47

XCSE

Genmab A/S

24/05/2024

15:11:11

1,911.0000

27

XCSE

Genmab A/S

24/05/2024

15:11:11

1,911.0000

20

XCSE

Genmab A/S

24/05/2024

15:11:11

1,911.0000

12

XCSE

57


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:11:11

1,910.5000

89

XCSE

Genmab A/S

24/05/2024

15:11:11

1,910.5000

46

XCSE

Genmab A/S

24/05/2024

15:11:11

1,910.5000

21

XCSE

Genmab A/S

24/05/2024

15:15:08

1,912.0000

10

CEUX

Genmab A/S

24/05/2024

15:15:36

1,913.0000

69

AQEU

Genmab A/S

24/05/2024

15:17:51

1,913.5000

25

XCSE

Genmab A/S

24/05/2024

15:17:53

1,913.5000

59

XCSE

Genmab A/S

24/05/2024

15:17:53

1,913.5000

86

XCSE

Genmab A/S

24/05/2024

15:17:53

1,913.5000

57

XCSE

Genmab A/S

24/05/2024

15:17:53

1,913.5000

51

CEUX

Genmab A/S

24/05/2024

15:17:53

1,913.5000

16

XCSE

Genmab A/S

24/05/2024

15:19:20

1,913.0000

6

CEUX

Genmab A/S

24/05/2024

15:19:42

1,913.0000

13

CEUX

Genmab A/S

24/05/2024

15:21:20

1,913.5000

22

CEUX

Genmab A/S

24/05/2024

15:21:20

1,913.5000

4

AQEU

Genmab A/S

24/05/2024

15:21:20

1,913.5000

19

CEUX

Genmab A/S

24/05/2024

15:21:20

1,913.5000

5

TQEX

Genmab A/S

24/05/2024

15:21:20

1,913.5000

19

XCSE

Genmab A/S

24/05/2024

15:21:20

1,913.5000

47

XCSE

Genmab A/S

24/05/2024

15:21:20

1,913.5000

36

CEUX

Genmab A/S

24/05/2024

15:21:20

1,913.5000

43

CEUX

Genmab A/S

24/05/2024

15:21:23

1,913.0000

52

XCSE

Genmab A/S

24/05/2024

15:21:23

1,913.0000

53

XCSE

Genmab A/S

24/05/2024

15:22:22

1,913.0000

74

XCSE

Genmab A/S

24/05/2024

15:25:37

1,913.0000

35

CEUX

Genmab A/S

24/05/2024

15:25:46

1,913.0000

11

AQEU

Genmab A/S

24/05/2024

15:25:57

1,913.5000

39

XCSE

Genmab A/S

24/05/2024

15:26:01

1,913.0000

1

AQEU

Genmab A/S

24/05/2024

15:26:22

1,913.5000

1

CEUX

Genmab A/S

24/05/2024

15:27:10

1,914.5000

28

XCSE

Genmab A/S

24/05/2024

15:27:10

1,914.5000

7

XCSE

Genmab A/S

24/05/2024

15:27:33

1,914.5000

3

XCSE

Genmab A/S

24/05/2024

15:27:44

1,914.5000

16

XCSE

Genmab A/S

24/05/2024

15:27:59

1,914.5000

35

XCSE

Genmab A/S

24/05/2024

15:27:59

1,914.5000

5

XCSE

Genmab A/S

24/05/2024

15:28:12

1,916.0000

1

CEUX

Genmab A/S

24/05/2024

15:28:12

1,916.0000

12

CEUX

Genmab A/S

24/05/2024

15:28:12

1,916.0000

91

CEUX

Genmab A/S

24/05/2024

15:28:12

1,916.0000

13

CEUX

Genmab A/S

24/05/2024

15:28:39

1,917.0000

15

XCSE

58


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:28:39

1,917.0000

25

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

36

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

2

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

2

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

3

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:01

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:01

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

3

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

6

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

2

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

17

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

1

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

5

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

3

XCSE

Genmab A/S

24/05/2024

15:29:01

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:01

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

8

CEUX

59


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:29:01

1,916.5000

14

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

6

CEUX

Genmab A/S

24/05/2024

15:29:01

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:03

1,916.5000

4

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

9

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

13

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:03

1,916.5000

4

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:03

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:03

1,916.5000

62

XCSE

Genmab A/S

24/05/2024

15:29:03

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:03

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:03

1,916.5000

18

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

7

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

1

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:03

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:03

1,916.5000

3

XCSE

Genmab A/S

24/05/2024

15:29:04

1,916.5000

4

TQEX

Genmab A/S

24/05/2024

15:29:04

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:05

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:05

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:05

1,916.5000

1

TQEX

Genmab A/S

24/05/2024

15:29:05

1,916.5000

6

XCSE

Genmab A/S

24/05/2024

15:29:05

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:09

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:09

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:09

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:09

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:09

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:29:09

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:09

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:09

1,916.5000

5

TQEX

60


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:29:09

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:09

1,916.5000

10

CEUX

Genmab A/S

24/05/2024

15:29:09

1,916.5000

1

AQEU

Genmab A/S

24/05/2024

15:29:09

1,916.5000

3

TQEX

Genmab A/S

24/05/2024

15:29:10

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:10

1,916.5000

9

XCSE

Genmab A/S

24/05/2024

15:29:10

1,916.5000

2

XCSE

Genmab A/S

24/05/2024

15:29:10

1,916.5000

7

CEUX

Genmab A/S

24/05/2024

15:29:10

1,916.5000

18

CEUX

Genmab A/S

24/05/2024

15:29:10

1,916.5000

16

CEUX

Genmab A/S

24/05/2024

15:30:03

1,913.0000

23

XCSE

Genmab A/S

24/05/2024

15:30:03

1,913.0000

21

CEUX

Genmab A/S

24/05/2024

15:30:03

1,913.0000

21

CEUX

Genmab A/S

24/05/2024

15:30:03

1,913.0000

3

AQEU

Genmab A/S

24/05/2024

15:30:03

1,913.0000

5

TQEX

Genmab A/S

24/05/2024

15:30:03

1,913.0000

1

CEUX

Genmab A/S

24/05/2024

15:30:03

1,913.0000

52

XCSE

Genmab A/S

24/05/2024

15:30:03

1,913.0000

48

XCSE

Genmab A/S

24/05/2024

15:31:04

1,910.5000

41

XCSE

Genmab A/S

24/05/2024

15:31:04

1,910.5000

41

XCSE

Genmab A/S

24/05/2024

15:31:06

1,910.5000

41

XCSE

Genmab A/S

24/05/2024

15:34:03

1,912.0000

8

XCSE

Genmab A/S

24/05/2024

15:34:03

1,912.0000

8

XCSE

Genmab A/S

24/05/2024

15:34:03

1,912.0000

34

XCSE

Genmab A/S

24/05/2024

15:34:03

1,912.0000

9

CEUX

Genmab A/S

24/05/2024

15:34:03

1,912.0000

1

AQEU

Genmab A/S

24/05/2024

15:34:03

1,912.0000

5

TQEX

Genmab A/S

24/05/2024

15:34:03

1,912.0000

9

CEUX

Genmab A/S

24/05/2024

15:34:03

1,912.0000

4

CEUX

Genmab A/S

24/05/2024

15:34:03

1,912.0000

3

XCSE

Genmab A/S

24/05/2024

15:34:04

1,912.0000

23

XCSE

Genmab A/S

24/05/2024

15:34:04

1,912.0000

23

XCSE

Genmab A/S

24/05/2024

15:34:04

1,912.0000

23

XCSE

Genmab A/S

24/05/2024

15:34:04

1,912.0000

23

XCSE

Genmab A/S

24/05/2024

15:34:04

1,912.0000

14

XCSE

Genmab A/S

24/05/2024

15:34:05

1,911.0000

19

XCSE

Genmab A/S

24/05/2024

15:34:05

1,911.0000

11

XCSE

Genmab A/S

24/05/2024

15:35:59

1,912.0000

8

XCSE

Genmab A/S

24/05/2024

15:35:59

1,912.0000

7

CEUX

Genmab A/S

24/05/2024

15:36:00

1,912.0000

2

CEUX

61


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:36:00

1,912.0000

1

AQEU

Genmab A/S

24/05/2024

15:36:00

1,912.0000

5

TQEX

Genmab A/S

24/05/2024

15:36:00

1,912.0000

7

XCSE

Genmab A/S

24/05/2024

15:36:07

1,911.5000

8

XCSE

Genmab A/S

24/05/2024

15:36:07

1,911.5000

8

CEUX

Genmab A/S

24/05/2024

15:36:07

1,911.5000

8

XCSE

Genmab A/S

24/05/2024

15:36:07

1,911.5000

8

XCSE

Genmab A/S

24/05/2024

15:36:10

1,911.5000

8

XCSE

Genmab A/S

24/05/2024

15:36:10

1,911.5000

8

XCSE

Genmab A/S

24/05/2024

15:36:10

1,911.5000

38

XCSE

Genmab A/S

24/05/2024

15:36:10

1,911.5000

8

CEUX

Genmab A/S

24/05/2024

15:36:10

1,911.5000

8

CEUX

Genmab A/S

24/05/2024

15:36:10

1,911.5000

3

CEUX

Genmab A/S

24/05/2024

15:36:10

1,911.5000

8

XCSE

Genmab A/S

24/05/2024

15:36:19

1,911.5000

23

XCSE

Genmab A/S

24/05/2024

15:36:20

1,911.5000

23

XCSE

Genmab A/S

24/05/2024

15:36:36

1,912.5000

62

XCSE

Genmab A/S

24/05/2024

15:36:36

1,912.5000

12

CEUX

Genmab A/S

24/05/2024

15:36:36

1,912.5000

44

CEUX

Genmab A/S

24/05/2024

15:36:36

1,912.5000

14

CEUX

Genmab A/S

24/05/2024

15:36:36

1,912.5000

3

CEUX

Genmab A/S

24/05/2024

15:36:46

1,912.0000

4

CEUX

Genmab A/S

24/05/2024

15:36:46

1,912.0000

11

CEUX

Genmab A/S

24/05/2024

15:36:46

1,912.0000

46

XCSE

Genmab A/S

24/05/2024

15:36:46

1,912.0000

26

CEUX

Genmab A/S

24/05/2024

15:36:46

1,912.0000

6

AQEU

Genmab A/S

24/05/2024

15:36:46

1,912.0000

7

TQEX

Genmab A/S

24/05/2024

15:37:58

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:01

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:01

1,916.5000

40

XCSE

Genmab A/S

24/05/2024

15:38:01

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:01

1,916.5000

40

XCSE

Genmab A/S

24/05/2024

15:38:02

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:02

1,916.5000

12

XCSE

Genmab A/S

24/05/2024

15:38:02

1,916.5000

28

XCSE

Genmab A/S

24/05/2024

15:38:02

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:02

1,916.5000

7

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

3

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

8

CEUX

62


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:38:04

1,916.5000

3

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

6

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

5

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

5

TQEX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

4

TQEX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

11

CEUX

Genmab A/S

24/05/2024

15:38:04

1,916.5000

10

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

5

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

27

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

27

XCSE

Genmab A/S

24/05/2024

15:38:04

1,916.5000

7

XCSE

Genmab A/S

24/05/2024

15:38:38

1,915.0000

16

XCSE

Genmab A/S

24/05/2024

15:38:38

1,915.0000

8

XCSE

Genmab A/S

24/05/2024

15:38:38

1,915.0000

79

XCSE

Genmab A/S

24/05/2024

15:39:41

1,915.0000

49

XCSE

Genmab A/S

24/05/2024

15:39:57

1,915.0000

60

XCSE

Genmab A/S

24/05/2024

15:39:57

1,915.0000

50

CEUX

Genmab A/S

24/05/2024

15:39:57

1,915.0000

4

CEUX

Genmab A/S

24/05/2024

15:39:57

1,915.0000

10

CEUX

Genmab A/S

24/05/2024

15:40:08

1,915.0000

28

XCSE

Genmab A/S

24/05/2024

15:40:08

1,915.0000

28

XCSE

Genmab A/S

24/05/2024

15:40:08

1,915.0000

28

XCSE

Genmab A/S

24/05/2024

15:40:09

1,915.0000

6

XCSE

Genmab A/S

24/05/2024

15:40:09

1,915.0000

22

XCSE

Genmab A/S

24/05/2024

15:40:09

1,915.0000

28

XCSE

63


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:41:05

1,916.0000

7

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

6

CEUX

Genmab A/S

24/05/2024

15:42:06

1,919.5000

23

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

23

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

10

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

1

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

22

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

23

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

10

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

1

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

23

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

19

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

4

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

10

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

41

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

3

CEUX

Genmab A/S

24/05/2024

15:42:06

1,919.5000

3

CEUX

Genmab A/S

24/05/2024

15:42:06

1,919.5000

2

AQEU

Genmab A/S

24/05/2024

15:42:06

1,919.5000

1

CEUX

Genmab A/S

24/05/2024

15:42:06

1,919.5000

5

CEUX

Genmab A/S

24/05/2024

15:42:06

1,919.5000

9

CEUX

Genmab A/S

24/05/2024

15:42:06

1,919.5000

10

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

23

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

8

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

2

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

21

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

17

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

21

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

21

XCSE

Genmab A/S

24/05/2024

15:42:06

1,919.5000

22

CEUX

Genmab A/S

24/05/2024

15:42:53

1,921.0000

15

XCSE

Genmab A/S

24/05/2024

15:42:53

1,921.0000

32

XCSE

Genmab A/S

24/05/2024

15:42:53

1,921.0000

43

CEUX

Genmab A/S

24/05/2024

15:42:53

1,921.0000

7

TQEX

Genmab A/S

24/05/2024

15:42:53

1,921.0000

4

CEUX

Genmab A/S

24/05/2024

15:43:18

1,920.0000

21

XCSE

Genmab A/S

24/05/2024

15:43:34

1,921.0000

23

XCSE

Genmab A/S

24/05/2024

15:43:44

1,921.0000

24

CEUX

Genmab A/S

24/05/2024

15:43:44

1,921.0000

63

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

11

XCSE

64


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:45:24

1,922.0000

25

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

11

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

25

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

4

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

12

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

34

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

29

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

12

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

5

TQEX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

7

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

5

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

5

TQEX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

11

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

25

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

7

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

4

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

16

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

9

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

11

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

2

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

10

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

12

CEUX

Genmab A/S

24/05/2024

15:45:24

1,922.0000

15

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

29

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

29

XCSE

Genmab A/S

24/05/2024

15:45:24

1,922.0000

24

XCSE

Genmab A/S

24/05/2024

15:47:21

1,924.0000

50

XCSE

Genmab A/S

24/05/2024

15:47:21

1,924.0000

7

XCSE

Genmab A/S

24/05/2024

15:47:21

1,924.0000

9

XCSE

Genmab A/S

24/05/2024

15:47:21

1,924.0000

51

CEUX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

9

CEUX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

9

CEUX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

9

CEUX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

9

CEUX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

8

CEUX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

8

AQEU

Genmab A/S

24/05/2024

15:47:21

1,924.0000

1

AQEU

Genmab A/S

24/05/2024

15:47:21

1,924.0000

1

AQEU

Genmab A/S

24/05/2024

15:47:21

1,924.0000

2

AQEU

Genmab A/S

24/05/2024

15:47:21

1,924.0000

8

TQEX

65


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:47:21

1,924.0000

5

TQEX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

8

TQEX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

5

TQEX

Genmab A/S

24/05/2024

15:47:21

1,924.0000

9

XCSE

Genmab A/S

24/05/2024

15:47:21

1,924.0000

7

XCSE

Genmab A/S

24/05/2024

15:47:23

1,924.0000

4

CEUX

Genmab A/S

24/05/2024

15:47:26

1,924.0000

11

CEUX

Genmab A/S

24/05/2024

15:47:40

1,923.5000

25

CEUX

Genmab A/S

24/05/2024

15:47:50

1,924.5000

30

CEUX

Genmab A/S

24/05/2024

15:47:50

1,924.5000

16

CEUX

Genmab A/S

24/05/2024

15:48:02

1,924.0000

7

CEUX

Genmab A/S

24/05/2024

15:48:02

1,924.0000

16

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

26

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

25

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

26

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

25

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

9

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

19

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

11

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

14

CEUX

Genmab A/S

24/05/2024

15:48:13

1,923.5000

13

CEUX

Genmab A/S

24/05/2024

15:49:34

1,922.0000

23

XCSE

Genmab A/S

24/05/2024

15:49:34

1,922.0000

23

XCSE

Genmab A/S

24/05/2024

15:49:34

1,922.0000

17

XCSE

Genmab A/S

24/05/2024

15:49:34

1,922.0000

6

XCSE

Genmab A/S

24/05/2024

15:49:34

1,922.0000

17

XCSE

Genmab A/S

24/05/2024

15:49:34

1,922.0000

23

XCSE

Genmab A/S

24/05/2024

15:49:37

1,922.0000

17

XCSE

Genmab A/S

24/05/2024

15:50:07

1,921.5000

3

XCSE

Genmab A/S

24/05/2024

15:50:07

1,921.5000

53

XCSE

Genmab A/S

24/05/2024

15:50:07

1,921.5000

26

CEUX

Genmab A/S

24/05/2024

15:50:07

1,921.5000

25

CEUX

Genmab A/S

24/05/2024

15:50:07

1,921.5000

1

CEUX

Genmab A/S

24/05/2024

15:50:07

1,921.5000

19

CEUX

Genmab A/S

24/05/2024

15:50:07

1,921.5000

6

CEUX

Genmab A/S

24/05/2024

15:51:18

1,921.0000

24

XCSE

Genmab A/S

24/05/2024

15:51:18

1,921.0000

87

XCSE

Genmab A/S

24/05/2024

15:51:18

1,921.0000

24

XCSE

Genmab A/S

24/05/2024

15:51:18

1,921.0000

24

XCSE

Genmab A/S

24/05/2024

15:51:18

1,921.0000

24

XCSE

66


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:51:18

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

15:51:18

1,920.0000

50

CEUX

Genmab A/S

24/05/2024

15:51:18

1,920.0000

24

CEUX

Genmab A/S

24/05/2024

15:51:18

1,919.5000

39

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.5000

8

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.5000

8

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.5000

39

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.5000

4

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.0000

22

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.0000

26

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.0000

2

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.0000

24

XCSE

Genmab A/S

24/05/2024

15:51:18

1,919.0000

23

XCSE

Genmab A/S

24/05/2024

15:53:26

1,915.0000

43

CEUX

Genmab A/S

24/05/2024

15:53:26

1,915.0000

22

XCSE

Genmab A/S

24/05/2024

15:53:26

1,915.0000

70

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

2

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

6

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

4

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

8

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

8

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

8

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

7

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

5

TQEX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

21

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

56

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

8

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

21

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

8

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

21

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

8

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

31

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

23

XCSE

Genmab A/S

24/05/2024

15:55:00

1,916.0000

3

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

6

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

12

CEUX

Genmab A/S

24/05/2024

15:55:00

1,916.0000

17

CEUX

Genmab A/S

24/05/2024

15:55:31

1,919.0000

25

XCSE

Genmab A/S

24/05/2024

15:55:31

1,919.0000

1

XCSE

Genmab A/S

24/05/2024

15:55:31

1,919.0000

8

XCSE

67


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

15:55:31

1,919.0000

18

XCSE

Genmab A/S

24/05/2024

15:55:31

1,919.0000

27

XCSE

Genmab A/S

24/05/2024

15:55:59

1,917.5000

30

CEUX

Genmab A/S

24/05/2024

15:56:02

1,917.5000

38

CEUX

Genmab A/S

24/05/2024

15:56:02

1,917.5000

47

CEUX

Genmab A/S

24/05/2024

15:57:03

1,917.5000

13

CEUX

Genmab A/S

24/05/2024

15:57:03

1,917.5000

33

CEUX

Genmab A/S

24/05/2024

15:57:03

1,917.5000

8

AQEU

Genmab A/S

24/05/2024

15:57:04

1,917.5000

22

CEUX

Genmab A/S

24/05/2024

15:57:04

1,917.0000

10

CEUX

Genmab A/S

24/05/2024

15:57:04

1,917.0000

6

CEUX

Genmab A/S

24/05/2024

15:57:04

1,917.0000

41

CEUX

Genmab A/S

24/05/2024

15:57:04

1,917.0000

9

CEUX

Genmab A/S

24/05/2024

15:57:04

1,917.0000

19

CEUX

Genmab A/S

24/05/2024

15:57:51

1,917.5000

76

XCSE

Genmab A/S

24/05/2024

15:57:51

1,917.5000

30

CEUX

Genmab A/S

24/05/2024

15:58:14

1,917.0000

50

XCSE

Genmab A/S

24/05/2024

15:59:27

1,920.0000

12

XCSE

Genmab A/S

24/05/2024

15:59:27

1,920.0000

80

XCSE

Genmab A/S

24/05/2024

15:59:27

1,920.0000

12

CEUX

Genmab A/S

24/05/2024

15:59:27

1,920.0000

72

CEUX

Genmab A/S

24/05/2024

16:00:02

1,921.0000

38

CEUX

Genmab A/S

24/05/2024

16:00:02

1,921.0000

6

AQEU

Genmab A/S

24/05/2024

16:00:02

1,921.0000

6

TQEX

Genmab A/S

24/05/2024

16:00:02

1,921.0000

50

XCSE

Genmab A/S

24/05/2024

16:00:02

1,921.0000

31

XCSE

Genmab A/S

24/05/2024

16:00:02

1,921.0000

35

XCSE

Genmab A/S

24/05/2024

16:00:02

1,921.0000

8

XCSE

Genmab A/S

24/05/2024

16:00:02

1,919.5000

81

CEUX

Genmab A/S

24/05/2024

16:00:30

1,918.5000

69

XCSE

Genmab A/S

24/05/2024

16:00:30

1,917.0000

65

XCSE

Genmab A/S

24/05/2024

16:02:02

1,921.0000

17

XCSE

Genmab A/S

24/05/2024

16:02:03

1,921.0000

17

XCSE

Genmab A/S

24/05/2024

16:02:04

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:02:04

1,921.0000

10

XCSE

Genmab A/S

24/05/2024

16:02:07

1,921.0000

8

XCSE

Genmab A/S

24/05/2024

16:02:28

1,922.0000

73

XCSE

Genmab A/S

24/05/2024

16:02:31

1,921.5000

22

XCSE

Genmab A/S

24/05/2024

16:02:31

1,921.5000

22

XCSE

Genmab A/S

24/05/2024

16:02:31

1,921.5000

20

TQEX

68


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:02:31

1,921.5000

6

TQEX

Genmab A/S

24/05/2024

16:02:31

1,921.5000

22

XCSE

Genmab A/S

24/05/2024

16:02:31

1,921.5000

11

XCSE

Genmab A/S

24/05/2024

16:03:03

1,922.5000

20

AQEU

Genmab A/S

24/05/2024

16:03:03

1,922.5000

21

AQEU

Genmab A/S

24/05/2024

16:03:24

1,924.5000

25

XCSE

Genmab A/S

24/05/2024

16:03:34

1,924.5000

22

CEUX

Genmab A/S

24/05/2024

16:03:34

1,924.5000

22

CEUX

Genmab A/S

24/05/2024

16:03:34

1,924.5000

22

CEUX

Genmab A/S

24/05/2024

16:03:34

1,924.5000

4

CEUX

Genmab A/S

24/05/2024

16:03:34

1,924.5000

51

XCSE

Genmab A/S

24/05/2024

16:04:17

1,923.0000

26

XCSE

Genmab A/S

24/05/2024

16:04:17

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:04:17

1,923.0000

52

XCSE

Genmab A/S

24/05/2024

16:04:18

1,923.0000

13

XCSE

Genmab A/S

24/05/2024

16:04:18

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:04:18

1,923.0000

17

XCSE

Genmab A/S

24/05/2024

16:05:21

1,922.5000

56

XCSE

Genmab A/S

24/05/2024

16:05:21

1,922.5000

62

XCSE

Genmab A/S

24/05/2024

16:05:21

1,922.5000

18

XCSE

Genmab A/S

24/05/2024

16:06:39

1,924.5000

89

XCSE

Genmab A/S

24/05/2024

16:06:39

1,924.5000

21

XCSE

Genmab A/S

24/05/2024

16:06:39

1,924.5000

21

XCSE

Genmab A/S

24/05/2024

16:06:39

1,924.5000

21

XCSE

Genmab A/S

24/05/2024

16:06:39

1,924.5000

6

XCSE

Genmab A/S

24/05/2024

16:06:56

1,924.5000

8

AQEU

Genmab A/S

24/05/2024

16:06:56

1,924.5000

8

TQEX

Genmab A/S

24/05/2024

16:06:59

1,924.5000

26

XCSE

Genmab A/S

24/05/2024

16:06:59

1,924.5000

68

XCSE

Genmab A/S

24/05/2024

16:07:20

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:07:20

1,923.0000

2

XCSE

Genmab A/S

24/05/2024

16:07:20

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:07:20

1,923.0000

21

XCSE

Genmab A/S

24/05/2024

16:08:30

1,923.0000

23

TQEX

Genmab A/S

24/05/2024

16:08:30

1,923.0000

8

TQEX

Genmab A/S

24/05/2024

16:08:30

1,923.0000

23

TQEX

Genmab A/S

24/05/2024

16:08:30

1,923.0000

15

TQEX

Genmab A/S

24/05/2024

16:09:30

1,922.5000

50

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

21

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

27

XCSE

69


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:09:30

1,922.5000

2

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

20

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

27

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

22

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

12

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

20

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

22

XCSE

Genmab A/S

24/05/2024

16:09:30

1,922.5000

7

XCSE

Genmab A/S

24/05/2024

16:09:44

1,922.5000

26

AQEU

Genmab A/S

24/05/2024

16:10:06

1,922.5000

28

TQEX

Genmab A/S

24/05/2024

16:10:06

1,922.5000

6

TQEX

Genmab A/S

24/05/2024

16:10:32

1,922.5000

6

TQEX

Genmab A/S

24/05/2024

16:10:32

1,922.5000

89

XCSE

Genmab A/S

24/05/2024

16:10:32

1,922.5000

25

TQEX

Genmab A/S

24/05/2024

16:10:32

1,922.5000

6

TQEX

Genmab A/S

24/05/2024

16:10:32

1,922.5000

16

TQEX

Genmab A/S

24/05/2024

16:11:16

1,924.0000

59

XCSE

Genmab A/S

24/05/2024

16:11:16

1,924.0000

2

XCSE

Genmab A/S

24/05/2024

16:11:16

1,924.0000

23

XCSE

Genmab A/S

24/05/2024

16:11:16

1,924.0000

40

XCSE

Genmab A/S

24/05/2024

16:11:16

1,924.0000

14

XCSE

Genmab A/S

24/05/2024

16:11:47

1,923.5000

73

XCSE

Genmab A/S

24/05/2024

16:11:47

1,923.5000

19

TQEX

Genmab A/S

24/05/2024

16:11:47

1,923.5000

2

TQEX

Genmab A/S

24/05/2024

16:11:47

1,923.5000

10

TQEX

Genmab A/S

24/05/2024

16:11:47

1,923.5000

11

TQEX

Genmab A/S

24/05/2024

16:11:48

1,923.5000

10

TQEX

Genmab A/S

24/05/2024

16:11:48

1,923.5000

9

AQEU

Genmab A/S

24/05/2024

16:12:51

1,922.0000

67

XCSE

Genmab A/S

24/05/2024

16:12:51

1,922.0000

86

XCSE

Genmab A/S

24/05/2024

16:12:51

1,921.0000

63

XCSE

Genmab A/S

24/05/2024

16:12:51

1,921.0000

50

XCSE

Genmab A/S

24/05/2024

16:12:51

1,921.0000

29

XCSE

Genmab A/S

24/05/2024

16:12:51

1,920.5000

26

XCSE

Genmab A/S

24/05/2024

16:12:51

1,920.5000

39

XCSE

Genmab A/S

24/05/2024

16:12:51

1,920.0000

8

XCSE

Genmab A/S

24/05/2024

16:15:13

1,919.5000

1

XCSE

Genmab A/S

24/05/2024

16:15:13

1,919.5000

44

XCSE

Genmab A/S

24/05/2024

16:15:13

1,919.5000

32

XCSE

Genmab A/S

24/05/2024

16:15:13

1,919.5000

1

XCSE

70


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:15:13

1,919.5000

29

XCSE

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

4

AQEU

Genmab A/S

24/05/2024

16:15:13

1,919.5000

9

XCSE

Genmab A/S

24/05/2024

16:16:29

1,919.0000

62

XCSE

Genmab A/S

24/05/2024

16:16:29

1,919.0000

56

XCSE

Genmab A/S

24/05/2024

16:16:29

1,919.0000

72

XCSE

Genmab A/S

24/05/2024

16:16:29

1,919.0000

17

XCSE

Genmab A/S

24/05/2024

16:16:30

1,918.0000

18

XCSE

Genmab A/S

24/05/2024

16:16:30

1,918.0000

32

XCSE

Genmab A/S

24/05/2024

16:18:11

1,917.5000

89

XCSE

Genmab A/S

24/05/2024

16:18:11

1,917.5000

49

XCSE

Genmab A/S

24/05/2024

16:18:11

1,917.5000

12

TQEX

Genmab A/S

24/05/2024

16:18:11

1,917.5000

12

TQEX

Genmab A/S

24/05/2024

16:18:11

1,917.5000

56

AQEU

Genmab A/S

24/05/2024

16:18:11

1,917.5000

69

AQEU

Genmab A/S

24/05/2024

16:19:39

1,917.5000

12

AQEU

Genmab A/S

24/05/2024

16:19:39

1,917.5000

13

TQEX

Genmab A/S

24/05/2024

16:19:39

1,917.5000

45

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

21

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

28

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

21

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

21

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

15

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

3

XCSE

Genmab A/S

24/05/2024

16:19:39

1,917.5000

8

XCSE

Genmab A/S

24/05/2024

16:19:41

1,917.0000

32

AQEU

Genmab A/S

24/05/2024

16:20:19

1,917.0000

20

XCSE

Genmab A/S

24/05/2024

16:20:29

1,917.0000

75

XCSE

Genmab A/S

24/05/2024

16:20:29

1,917.0000

63

XCSE

Genmab A/S

24/05/2024

16:20:29

1,917.0000

18

XCSE

Genmab A/S

24/05/2024

16:20:30

1,917.0000

7

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

17

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

64

XCSE

71


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:21:37

1,919.0000

7

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

3

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

20

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

23

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

22

XCSE

Genmab A/S

24/05/2024

16:21:37

1,919.0000

9

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

49

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

26

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

20

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

29

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

26

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

26

XCSE

Genmab A/S

24/05/2024

16:22:23

1,918.0000

1

XCSE

Genmab A/S

24/05/2024

16:23:24

1,917.0000

76

XCSE

Genmab A/S

24/05/2024

16:23:24

1,917.0000

11

TQEX

Genmab A/S

24/05/2024

16:23:24

1,917.0000

10

XCSE

Genmab A/S

24/05/2024

16:23:34

1,916.5000

21

XCSE

Genmab A/S

24/05/2024

16:23:34

1,916.5000

21

XCSE

Genmab A/S

24/05/2024

16:23:34

1,916.5000

36

XCSE

Genmab A/S

24/05/2024

16:23:54

1,916.5000

26

TQEX

Genmab A/S

24/05/2024

16:23:54

1,916.5000

20

TQEX

Genmab A/S

24/05/2024

16:23:54

1,916.5000

2

TQEX

Genmab A/S

24/05/2024

16:24:44

1,918.0000

45

TQEX

Genmab A/S

24/05/2024

16:24:44

1,918.0000

21

XCSE

Genmab A/S

24/05/2024

16:24:44

1,918.0000

21

XCSE

Genmab A/S

24/05/2024

16:24:44

1,918.0000

21

XCSE

Genmab A/S

24/05/2024

16:24:44

1,918.0000

7

XCSE

Genmab A/S

24/05/2024

16:24:44

1,917.0000

25

XCSE

Genmab A/S

24/05/2024

16:24:44

1,917.0000

25

XCSE

Genmab A/S

24/05/2024

16:24:44

1,917.0000

20

XCSE

Genmab A/S

24/05/2024

16:24:44

1,917.0000

19

XCSE

Genmab A/S

24/05/2024

16:27:01

1,919.5000

13

XCSE

Genmab A/S

24/05/2024

16:27:01

1,919.5000

18

XCSE

Genmab A/S

24/05/2024

16:27:01

1,919.5000

13

XCSE

Genmab A/S

24/05/2024

16:27:01

1,919.5000

18

XCSE

Genmab A/S

24/05/2024

16:27:01

1,919.5000

6

XCSE

Genmab A/S

24/05/2024

16:27:21

1,920.5000

19

XCSE

Genmab A/S

24/05/2024

16:27:21

1,920.5000

17

XCSE

Genmab A/S

24/05/2024

16:27:21

1,920.5000

5

TQEX

Genmab A/S

24/05/2024

16:27:21

1,920.5000

5

TQEX

72


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:27:21

1,920.5000

2

TQEX

Genmab A/S

24/05/2024

16:27:21

1,920.5000

2

TQEX

Genmab A/S

24/05/2024

16:27:21

1,920.5000

19

XCSE

Genmab A/S

24/05/2024

16:27:21

1,920.5000

17

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

49

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

7

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

3

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

3

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

14

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

7

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

7

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

7

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

3

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

3

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

10

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

10

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

7

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

1

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

3

AQEU

Genmab A/S

24/05/2024

16:28:03

1,921.0000

4

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

3

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:28:03

1,921.0000

35

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

24

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

16

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

1

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

24

XCSE

Genmab A/S

24/05/2024

16:28:03

1,921.0000

20

XCSE

Genmab A/S

24/05/2024

16:29:02

1,921.0000

15

XCSE

73


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:29:02

1,921.0000

1

XCSE

Genmab A/S

24/05/2024

16:29:02

1,921.0000

8

XCSE

Genmab A/S

24/05/2024

16:29:02

1,921.0000

69

XCSE

Genmab A/S

24/05/2024

16:29:02

1,921.0000

24

XCSE

Genmab A/S

24/05/2024

16:29:02

1,921.0000

4

XCSE

Genmab A/S

24/05/2024

16:29:05

1,919.5000

5

AQEU

Genmab A/S

24/05/2024

16:29:05

1,919.5000

36

AQEU

Genmab A/S

24/05/2024

16:29:05

1,919.5000

6

TQEX

Genmab A/S

24/05/2024

16:29:05

1,919.5000

31

TQEX

Genmab A/S

24/05/2024

16:29:05

1,919.5000

6

TQEX

Genmab A/S

24/05/2024

16:29:05

1,919.5000

38

XCSE

Genmab A/S

24/05/2024

16:29:05

1,919.5000

7

XCSE

Genmab A/S

24/05/2024

16:29:05

1,919.0000

5

AQEU

Genmab A/S

24/05/2024

16:29:05

1,919.0000

36

AQEU

Genmab A/S

24/05/2024

16:29:05

1,919.0000

6

TQEX

Genmab A/S

24/05/2024

16:29:05

1,919.0000

37

TQEX

Genmab A/S

24/05/2024

16:29:05

1,919.0000

38

XCSE

Genmab A/S

24/05/2024

16:29:05

1,919.0000

4

XCSE

Genmab A/S

24/05/2024

16:29:05

1,918.0000

6

TQEX

Genmab A/S

24/05/2024

16:29:05

1,918.0000

37

TQEX

Genmab A/S

24/05/2024

16:29:05

1,918.0000

36

XCSE

Genmab A/S

24/05/2024

16:29:05

1,918.0000

38

XCSE

Genmab A/S

24/05/2024

16:29:05

1,917.5000

67

XCSE

Genmab A/S

24/05/2024

16:29:05

1,917.5000

69

XCSE

Genmab A/S

24/05/2024

16:31:25

1,917.5000

88

XCSE

Genmab A/S

24/05/2024

16:33:00

1,918.5000

24

XCSE

Genmab A/S

24/05/2024

16:33:00

1,918.5000

24

XCSE

Genmab A/S

24/05/2024

16:33:00

1,918.5000

24

XCSE

Genmab A/S

24/05/2024

16:33:00

1,918.5000

11

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

7

AQEU

Genmab A/S

24/05/2024

16:33:55

1,919.5000

25

AQEU

Genmab A/S

24/05/2024

16:33:55

1,919.5000

7

AQEU

Genmab A/S

24/05/2024

16:33:55

1,919.5000

2

AQEU

Genmab A/S

24/05/2024

16:33:55

1,919.5000

8

TQEX

Genmab A/S

24/05/2024

16:33:55

1,919.5000

8

TQEX

Genmab A/S

24/05/2024

16:33:55

1,919.5000

8

TQEX

Genmab A/S

24/05/2024

16:33:55

1,919.5000

13

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

40

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

10

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

16

XCSE

74


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:33:55

1,919.5000

34

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

26

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

13

XCSE

Genmab A/S

24/05/2024

16:33:55

1,919.5000

36

XCSE

Genmab A/S

24/05/2024

16:34:31

1,921.0000

5

XCSE

Genmab A/S

24/05/2024

16:34:31

1,921.0000

13

XCSE

Genmab A/S

24/05/2024

16:34:31

1,921.0000

18

XCSE

Genmab A/S

24/05/2024

16:34:31

1,921.0000

26

AQEU

Genmab A/S

24/05/2024

16:34:31

1,921.0000

3

AQEU

Genmab A/S

24/05/2024

16:34:31

1,921.0000

4

AQEU

Genmab A/S

24/05/2024

16:34:31

1,921.0000

21

AQEU

Genmab A/S

24/05/2024

16:34:31

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:34:31

1,921.0000

5

TQEX

Genmab A/S

24/05/2024

16:34:32

1,921.0000

18

XCSE

Genmab A/S

24/05/2024

16:34:50

1,921.5000

16

XCSE

Genmab A/S

24/05/2024

16:34:51

1,921.5000

16

XCSE

Genmab A/S

24/05/2024

16:36:17

1,922.0000

4

AQEU

Genmab A/S

24/05/2024

16:36:17

1,922.0000

1

XCSE

Genmab A/S

24/05/2024

16:36:17

1,922.0000

1

XCSE

Genmab A/S

24/05/2024

16:36:17

1,922.0000

50

XCSE

Genmab A/S

24/05/2024

16:36:17

1,922.0000

30

XCSE

Genmab A/S

24/05/2024

16:36:17

1,922.0000

28

TQEX

Genmab A/S

24/05/2024

16:36:17

1,922.0000

18

TQEX

Genmab A/S

24/05/2024

16:36:17

1,922.0000

170

XCSE

Genmab A/S

24/05/2024

16:36:17

1,922.0000

28

XCSE

Genmab A/S

24/05/2024

16:37:20

1,923.0000

34

XCSE

Genmab A/S

24/05/2024

16:37:20

1,923.0000

25

XCSE

Genmab A/S

24/05/2024

16:38:21

1,923.0000

5

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

2

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

3

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

5

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

5

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

16

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

16

TQEX

Genmab A/S

24/05/2024

16:38:21

1,923.0000

25

XCSE

Genmab A/S

24/05/2024

16:38:21

1,923.0000

19

XCSE

Genmab A/S

24/05/2024

16:38:21

1,923.0000

20

XCSE

Genmab A/S

24/05/2024

16:38:21

1,923.0000

18

XCSE

Genmab A/S

24/05/2024

16:38:21

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:38:21

1,923.0000

20

XCSE

75


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:38:21

1,923.0000

25

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

39

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

19

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

1

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

23

XCSE

Genmab A/S

24/05/2024

16:38:28

1,923.0000

10

XCSE

Genmab A/S

24/05/2024

16:39:50

1,924.5000

5

TQEX

Genmab A/S

24/05/2024

16:39:50

1,924.5000

5

TQEX

Genmab A/S

24/05/2024

16:39:50

1,924.5000

17

XCSE

Genmab A/S

24/05/2024

16:39:50

1,924.5000

19

XCSE

Genmab A/S

24/05/2024

16:39:50

1,924.5000

17

XCSE

Genmab A/S

24/05/2024

16:39:50

1,924.5000

2

XCSE

Genmab A/S

24/05/2024

16:40:00

1,924.5000

17

XCSE

Genmab A/S

24/05/2024

16:40:00

1,924.5000

10

XCSE

Genmab A/S

24/05/2024

16:40:00

1,924.5000

7

XCSE

Genmab A/S

24/05/2024

16:40:00

1,924.5000

10

XCSE

Genmab A/S

24/05/2024

16:40:02

1,924.5000

5

TQEX

Genmab A/S

24/05/2024

16:40:02

1,924.5000

24

TQEX

Genmab A/S

24/05/2024

16:41:38

1,925.0000

18

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

9

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

26

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

24

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

21

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

128

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

87

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

5

TQEX

Genmab A/S

24/05/2024

16:41:38

1,925.0000

5

TQEX

Genmab A/S

24/05/2024

16:41:38

1,925.0000

27

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

26

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

24

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

17

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

1

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

3

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

12

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

14

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

24

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

1

XCSE

76


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:41:38

1,925.0000

13

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

24

XCSE

Genmab A/S

24/05/2024

16:41:38

1,925.0000

30

XCSE

Genmab A/S

24/05/2024

16:41:38

1,924.5000

26

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

18

TQEX

Genmab A/S

24/05/2024

16:42:19

1,926.0000

6

TQEX

Genmab A/S

24/05/2024

16:42:19

1,926.0000

6

TQEX

Genmab A/S

24/05/2024

16:42:19

1,926.0000

18

TQEX

Genmab A/S

24/05/2024

16:42:19

1,926.0000

23

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

101

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

25

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

6

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

1

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

7

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

31

XCSE

Genmab A/S

24/05/2024

16:42:19

1,926.0000

38

XCSE

Genmab A/S

24/05/2024

16:43:13

1,926.0000

45

XCSE

Genmab A/S

24/05/2024

16:43:13

1,926.0000

251

XCSE

Genmab A/S

24/05/2024

16:44:11

1,924.5000

77

XCSE

Genmab A/S

24/05/2024

16:44:11

1,924.5000

10

AQEU

Genmab A/S

24/05/2024

16:44:11

1,924.5000

11

TQEX

Genmab A/S

24/05/2024

16:44:29

1,924.0000

73

XCSE

Genmab A/S

24/05/2024

16:44:51

1,922.5000

24

XCSE

Genmab A/S

24/05/2024

16:44:51

1,922.5000

24

XCSE

Genmab A/S

24/05/2024

16:45:10

1,923.5000

113

XCSE

Genmab A/S

24/05/2024

16:45:34

1,923.0000

83

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

26

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

19

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

42

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

61

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

19

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

42

XCSE

Genmab A/S

24/05/2024

16:45:34

1,921.5000

14

XCSE

Genmab A/S

24/05/2024

16:46:32

1,923.0000

122

XCSE

Genmab A/S

24/05/2024

16:47:06

1,923.5000

13

XCSE

Genmab A/S

24/05/2024

16:47:06

1,923.5000

120

XCSE

Genmab A/S

24/05/2024

16:47:06

1,923.5000

58

XCSE

Genmab A/S

24/05/2024

16:47:26

1,923.0000

41

XCSE

Genmab A/S

24/05/2024

16:47:42

1,923.0000

25

XCSE

Genmab A/S

24/05/2024

16:47:42

1,923.0000

26

XCSE

77


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:47:42

1,923.0000

13

XCSE

Genmab A/S

24/05/2024

16:47:42

1,923.0000

25

XCSE

Genmab A/S

24/05/2024

16:47:44

1,923.0000

26

XCSE

Genmab A/S

24/05/2024

16:47:44

1,923.0000

8

AQEU

Genmab A/S

24/05/2024

16:47:44

1,923.0000

6

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

23

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

64

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

73

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

10

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

66

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

23

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

1

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

1

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

60

XCSE

Genmab A/S

24/05/2024

16:48:48

1,924.0000

2

XCSE

Genmab A/S

24/05/2024

16:49:04

1,923.5000

89

XCSE

Genmab A/S

24/05/2024

16:49:33

1,922.0000

26

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

27

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

29

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

35

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

35

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

26

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

26

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

67

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

1

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

50

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

29

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

21

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

22

XCSE

Genmab A/S

24/05/2024

16:50:46

1,922.0000

12

AQEU

Genmab A/S

24/05/2024

16:50:46

1,922.0000

19

AQEU

Genmab A/S

24/05/2024

16:50:48

1,922.0000

25

AQEU

Genmab A/S

24/05/2024

16:51:19

1,921.5000

12

TQEX

Genmab A/S

24/05/2024

16:51:19

1,921.5000

26

XCSE

Genmab A/S

24/05/2024

16:51:19

1,921.5000

62

XCSE

Genmab A/S

24/05/2024

16:51:19

1,921.5000

25

XCSE

Genmab A/S

24/05/2024

16:51:19

1,921.5000

26

XCSE

Genmab A/S

24/05/2024

16:51:31

1,921.5000

26

XCSE

Genmab A/S

24/05/2024

16:51:45

1,921.0000

22

XCSE

Genmab A/S

24/05/2024

16:51:45

1,921.0000

22

XCSE

78


Exhibit 99.1(a)

APPENDIX Share buy-back programme - Specification for May 20 – May 24, 2024

Graphic

Genmab A/S

24/05/2024

16:51:45

1,921.0000

13

XCSE

Genmab A/S

24/05/2024

16:51:45

1,921.0000

22

XCSE

Genmab A/S

24/05/2024

16:51:45

1,921.0000

22

XCSE

Genmab A/S

24/05/2024

16:52:24

1,921.5000

26

XCSE

Genmab A/S

24/05/2024

16:52:24

1,921.5000

44

XCSE

Genmab A/S

24/05/2024

16:52:24

1,921.5000

6

XCSE

Genmab A/S

24/05/2024

16:52:24

1,921.5000

15

XCSE

Genmab A/S

24/05/2024

16:52:24

1,921.5000

50

XCSE

Genmab A/S

24/05/2024

16:52:25

1,921.5000

21

XCSE

Genmab A/S

24/05/2024

16:52:25

1,921.5000

17

XCSE

Genmab A/S

24/05/2024

16:53:01

1,922.0000

35

TQEX

Genmab A/S

24/05/2024

16:53:01

1,922.0000

11

TQEX

Genmab A/S

24/05/2024

16:53:02

1,922.0000

15

TQEX

Genmab A/S

24/05/2024

16:53:02

1,922.0000

19

AQEU

Genmab A/S

24/05/2024

16:53:02

1,922.0000

27

TQEX

Genmab A/S

24/05/2024

16:53:02

1,922.0000

23

TQEX

Genmab A/S

24/05/2024

16:53:02

1,922.0000

29

TQEX

Genmab A/S

24/05/2024

16:53:51

1,922.0000

34

XCSE

Genmab A/S

24/05/2024

16:54:07

1,922.0000

1

CEUX

79