Genmab A/S SEC filings GMAB
Genmab A/S has 566 filings in SEC EDGAR's recent list, going back to Apr 28, 2008. Its latest annual report, Form 20-F, was filed on Feb 17, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Nov 5, 2026.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G | Ownership over 5% (passive) | Oct 5, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 15, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 17, 2026 | — |
| 4 | Insider transaction | Dec 30, 2025 | Dec 26, 2025 |
| SCHEDULE 13D/A | Amended ownership over 5% (active) | Dec 30, 2025 | — |
| 4 | Insider transaction | Dec 29, 2025 | Dec 22, 2025 |
| 4 | Insider transaction | Dec 22, 2025 | Dec 18, 2025 |
| SCHEDULE 13D | Ownership over 5% (active) | Dec 19, 2025 | — |
| 4 | Insider transaction | Dec 18, 2025 | Dec 16, 2025 |
| 3 | Initial insider ownership | Dec 18, 2025 | Dec 12, 2025 |
| SCHEDULE 13G | Ownership over 5% (passive) | Nov 14, 2025 | — |
| 144 | Notice of proposed sale | Jun 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 23, 2025 | — |
| 144 | Notice of proposed sale | Mar 1, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 2, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 6, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 1, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 29, 2021 | — |
| SC 13G | Ownership over 5% (passive) | Feb 7, 2020 | — |
Showing 22 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
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Company profile
- Industry
- Pharmaceutical Preparations (SIC 2834)
- Listed as
- GMAB (Nasdaq), GNMSF (OTC)
- Headquarters
- 1253 Copenhagen K, Denmark
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1434265
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Source: SEC EDGAR filings. This is company-reported data, not investment advice.