| Exhibit | Description of Exhibit | ||||
| 99.1 | Company Announcement Dated February 27, 2026: Grant of Restricted Stock Units to Management and Employees and Grant of Warrants to Employees in Genmab | ||||
| 99.2 | Company Announcement Dated February 27, 2026: Transactions with shares and linked securities in Genmab A/S made by managerial employees and their closely associated persons | ||||
| GENMAB A/S | ||||||||
| BY: | /s/ Anthony Pagano | |||||||
| Name: Anthony Pagano | ||||||||
| Title: Executive Vice President & Chief Financial Officer | ||||||||

| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 10 Page 1/2 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 10 Page 2/2 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Jan G. J. van de Winkel | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | President & Chief Executive Officer | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | 529900MTJPDPE4MHJ122 | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Restricted Stock Units related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of Restricted Stock Units | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 33,293 (annual equity award) | ||||||||||
DKK 0.00 | 2,130 (deferred annual cash bonus) | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 35,423 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 1/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Anthony Pagano | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Executive Vice President & Chief Financial Officer | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | 529900MTJPDPE4MHJ122 | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Restricted Stock Units related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of Restricted Stock Units | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 14,608 (annual equity award) | ||||||||||
DKK 0.00 | 560 (deferred annual cash bonus) | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 15,168 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 2/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Martin Schultz | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Member of the Board of Directors | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | 529900MTJPDPE4MHJ122 | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Restricted Stock Units related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of Restricted Stock Units (as employee of Genmab A/S, not as board member) | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 242 | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 242 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 3/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Michael Kavanagh | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Member of the Board of Directors | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | 529900MTJPDPE4MHJ122 | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Restricted Stock Units related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of Restricted Stock Units (as employee of Genmab US, Inc., not as board member) | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 671 | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 671 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 4/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Mijke Zachariasse | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Member of the Board of Directors | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | 529900MTJPDPE4MHJ122 | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Restricted Stock Units related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of Restricted Stock Units (as employee of Genmab B.V., not as board member) | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 308 | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 308 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 5/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Martin Schultz | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Member of the Board of Directors | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | N/A | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Warrants related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of warrants (as employee of Genmab A/S, not as board member) | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 251 | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 251 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 6/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Michael Kavanagh | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Member of the Board of Directors | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | N/A | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Warrants related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of warrants (as employee of Genmab US, Inc., not as board member) | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 696 | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 696 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 7/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| 1. | Details of the person discharging managerial responsibilities / person closely associated | ||||||||||
| a) | Name | Mijke Zachariasse | |||||||||
| 2. | Reason for the notification | ||||||||||
| a) | Position/status | Member of the Board of Directors | |||||||||
| b) | Initial notification/Amendment | Initial notification | |||||||||
| 3. | Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor | ||||||||||
| a) | Name | Genmab A/S | |||||||||
| b) | LEI-code | N/A | |||||||||
| 4. | Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted | ||||||||||
| a) | Description of the financial instrument, type of instrument Identification code | Warrants related to shares of Genmab A/S DK0010272202 | |||||||||
| b) | Nature of the transaction | Grant of warrants (as employee of Genmab B.V., not as board member) | |||||||||
| c) | Price(s) and volume(s) | Price(s) | Volume(s) | ||||||||
DKK 0.00 | 320 | ||||||||||
| d) | Aggregated information - Aggregated volume - Price | 320 DKK 0.00 | |||||||||
| e) | Date of the transaction | 2026-02-27 | |||||||||
| f) | Place of the transaction | Outside the market | |||||||||
| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 8/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||

| Genmab A/S Carl Jacobsens Vej 30 2500 Valby, Denmark | Tel: +45 7020 2728 www.genmab.com | Company Announcement no. 11 Page 9/9 CVR no. 2102 3884 LEI Code 529900MTJPDPE4MHJ122 | ||||||