Transactions with Shares and Linked Securities in Genmab A/S Made by Managerial Employees and Their Closely Associated Persons

Company Announcement COPENHAGEN, Denmark; May 29, 2026 – Genmab A/S (Nasdaq: GMAB) - In accordance with Article 19 of Regulation No. 596/2014 on Market Abuse and Implementing Regulation 2016/523, this document discloses the data of the transactions made in Genmab A/S (Nasdaq: GMAB) by managerial employees and their closely associated persons.

GlobeNewsWire • May 29, 2026

Genmab to Highlight Advances Across Its Oncology Portfolio at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting and the European Hematology Association (EHA) 2026 Congress

Media Release COPENHAGEN, Denmark; May 21, 2026 Twenty-three abstracts will highlight the versatility and strength of Genmab's portfolio and pipeline, including data from the comprehensive epcoritamab development program, including 4 oral presentations Three abstracts will show the ongoing clinical trial evaluations of the safety and efficacy of Genmab's investigational late-stage medicines, rinatabart sesutecan and petosemtamab Data evaluating epcoritamab will demonstrate outcomes across monotherapy, combination regimens and fixed-duration use, including outpatient administration and use in earlier lines of treatment Genmab A/S (Nasdaq: GMAB ) announced today that 23 abstracts, including 20 abstracts evaluating epcoritamab, a subcutaneous T-cell engaging bispecific antibody, will be presented or published at the 2026 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago, IL, from May 29-June 2, and at the European Hematology Association (EHA) 2026 Congress in Stockholm, Sweden, from June 11-14. Key presentations at ASCO and EHA will highlight data evaluating the potential utility of epcoritamab across multiple settings, including as a monotherapy, in combination regimens, in fixed-duration use and in earlier lines of therapy.

GlobeNewsWire • May 21, 2026

Genmab A/S (GMAB) Q1 2026 Earnings Call Transcript

Genmab A/S (GMAB) Q1 2026 Earnings Call Transcript

Seeking Alpha • May 14, 2026

Capital Increase in Genmab as a Result of Employee Warrant Exercise

Company Announcement COPENHAGEN, Denmark; May 12, 2026 – Genmab A/S (Nasdaq: GMAB) will increase its share capital by 2,346 shares as a consequence of the exercise of employee warrants. The increase is effected without any preemption rights for the existing shareholders of the Company or others.

GlobeNewsWire • May 12, 2026

Genmab Announces Financial Results for the First Quarter of 2026

May 7, 2026 Copenhagen, Denmark; Interim Report for the Three Months Ended March 31, 2026 Highlights Genmab revenue increased 25% compared to the first three months of 2025 , to $896 million FDA approved an sBLA to remove the recommendation for 24-hour hospitalization for patients with third line plus relapsed/refractory DLBCL Remained focused on disciplined investment in our late-stage portfolio, EPKINLY ® (epcoritamab), Rina-S ® , and petosemtamab, including launch readiness “We made tangible progress in the first quarter as we continue to integrate Merus™ and advance our late-stage portfolio - EPKINLY, Rina-S and petosemtamab. Across the business, our focus remained on disciplined execution, progressing these programs toward key readouts and preparing for potential launches to have an impact on more patients,” said Jan van de Winkel, Ph.D.

GlobeNewsWire • May 7, 2026

Genmab A/S Share Capital Reduction

Company Announcement COPENHAGEN, Denmark; April 17, 2026 – Genmab A/S (Nasdaq: GMAB) At Genmab A/S' Annual General Meeting on March 19, 2026, it was decided to reduce the Company's share capital with nominally DKK 1,900,000 by cancellation of 1,900,000 of the Company's holding of shares with a nominal value of DKK 1 each. The share capital reduction has today been registered with the Danish Business Authority.

GlobeNewsWire • Apr 17, 2026

Genmab Announces Net Sales of DARZALEX® (daratumumab) for First Quarter of 2026

Company Announcement Net sales of DARZALEX ® in the first quarter of 2026 totaled USD 3,964 million Genmab receives royalties on worldwide net sales from Johnson & Johnson (J&J, legal entity Janssen Biotech, Inc.) COPENHAGEN, Denmark; April 14, 2026 – Genmab A/S (Nasdaq: GMAB) announced today that worldwide net trade sales of DARZALEX (daratumumab), including sales of the subcutaneous (SC) product ( daratumumab and hyaluronidase-fihj , sold under the tradename DARZALEX FASPRO ® in the U.S. ) , as reported by J&J were USD 3,964 million in the first quarter of 2026. Net trade sales were USD 2,208 million in the U.S. and USD 1,756 million in the rest of the world.

GlobeNewsWire • Apr 14, 2026

Major Shareholder Announcement

Company Announcement Major shareholder announcement for Genmab A/S COPENHAGEN, Denmark; April 14, 2026 – Genmab A/S (Nasdaq: GMAB) announces under reference to Section 30 of the Danish Capital Markets Act that Orbis Investment Management Limited has informed us that, as of April 13, 2026, Orbis Investment Management Limited through shares controlled the voting rights to 3,114,318 shares in Genmab A/S, which amounts to 4.85% of the share capital and voting rights in Genmab A/S.   The major shareholder announcement of Orbis Investment Management Limited is attached to this announcement.

GlobeNewsWire • Apr 14, 2026

Genmab Presents the Safety and Tolerability of Rinatabart Sesutecan (Rina-S®) in Combination with Bevacizumab in Advanced Ovarian Cancer

COPENHAGEN, Denmark--(BUSINESS WIRE)--Genmab A/S (Nasdaq: GMAB) announced today new data demonstrating that rinatabart sesutecan (Rina-S®), an investigational folate receptor alpha (FRα)-targeted, topoisomerase I (TOPO1)-inhibitor antibody-drug conjugate (ADC), evaluated in combination with bevacizumab in patients with advanced ovarian cancer, showed a safety profile consistent with the known safety profiles of Rina-S and bevacizumab. These data are from the combination therapy cohort D2 of the.

Business Wire • Apr 13, 2026

Genmab: Multiple Binaries Could Alter The Thesis

Genmab faces a pivotal transition as DARZALEX royalties end by 2029–2032, but multiple late-stage oncology catalysts could redefine its growth trajectory. Upcoming registrational readouts for EPKINLY, Rina-S, and petosemtamab in 2026–2027 could drive multi-billion-dollar peak sales and diversify GMAB's revenue base. GMAB trades at a discounted 4x 2026 and 2.5x 2030 forward price-to-sales, despite strong double-digit revenue and EPS growth projections post-OpEx ramp.

Seeking Alpha • Apr 9, 2026