Kosmos Energy Ltd. SEC filings KOS
Kosmos Energy Ltd. has 1,001 filings in SEC EDGAR's recent list, going back to Jan 31, 2013. Its latest annual report, Form ARS, was filed on Apr 16, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Nov 2, 2026, covering the quarter ended Sep 30, 2026. The most recent current report (Form 8-K) was filed on Nov 2, 2026 (material agreement, new debt). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 29, 2026 | — |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 4 | Insider transaction | Jul 6, 2026 | Jul 1, 2026 |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 144 | Notice of proposed sale | Jul 2, 2026 | — |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 27, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 4 | Insider transaction | May 29, 2026 | May 28, 2026 |
| 144 | Notice of proposed sale | May 28, 2026 | — |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| 144 | Notice of proposed sale | May 27, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| 4 | Insider transaction | Mar 12, 2026 | Mar 10, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 13, 2026 | — |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 4 | Insider transaction | Feb 5, 2026 | Feb 3, 2026 |
| 144 | Notice of proposed sale | Feb 4, 2026 | — |
| 144 | Notice of proposed sale | Feb 4, 2026 | — |
| 144 | Notice of proposed sale | Feb 4, 2026 | — |
| 144 | Notice of proposed sale | Feb 4, 2026 | — |
| 4 | Insider transaction | Feb 3, 2026 | Jan 31, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 31, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 31, 2026 |
| 4 | Insider transaction | Feb 3, 2026 | Jan 31, 2026 |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| 144 | Notice of proposed sale | Feb 3, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 144 | Notice of proposed sale | Dec 22, 2025 | — |
| 144 | Notice of proposed sale | Dec 18, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Nov 5, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 15, 2025 | — |
| 4 | Insider transaction | Jun 6, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 6, 2025 | Jun 4, 2025 |
| 4 | Insider transaction | Jun 6, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 6, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 6, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 6, 2025 | Jun 5, 2025 |
| 4 | Insider transaction | Jun 6, 2025 | Jun 5, 2025 |
| 144 | Notice of proposed sale | Jun 5, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 1, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 1, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 23, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 17, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 16, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | Apr 15, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 12, 2025 | — |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 4 | Insider transaction | Feb 6, 2025 | Feb 4, 2025 |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| 144 | Notice of proposed sale | Feb 5, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Feb 5, 2025 | — |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 4 | Insider transaction | Feb 4, 2025 | Jan 31, 2025 |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 4, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| 144 | Notice of proposed sale | Feb 3, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 30, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Dec 6, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 12, 2024 | — |
| 3 | Initial insider ownership | Jul 16, 2024 | Jul 8, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 5, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 4 | Insider transaction | Jun 7, 2024 | Jun 6, 2024 |
| 144 | Notice of proposed sale | Jun 7, 2024 | — |
| 144 | Notice of proposed sale | Jun 7, 2024 | — |
| 144 | Notice of proposed sale | Mar 19, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 7, 2024 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2024 | — |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
| 4 | Insider transaction | Feb 7, 2024 | Feb 5, 2024 |
| 144 | Notice of proposed sale | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Feb 6, 2024 | — |
| 144 | Notice of proposed sale | Feb 5, 2024 | — |
| 144 | Notice of proposed sale | Feb 5, 2024 | — |
| 144 | Notice of proposed sale | Feb 5, 2024 | — |
| 144 | Notice of proposed sale | Feb 5, 2024 | — |
| 144 | Notice of proposed sale | Feb 5, 2024 | — |
| 144 | Notice of proposed sale | Feb 5, 2024 | — |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 4 | Insider transaction | Feb 2, 2024 | Jan 31, 2024 |
| 144 | Notice of proposed sale | Feb 2, 2024 | — |
| 144 | Notice of proposed sale | Feb 2, 2024 | — |
| 144 | Notice of proposed sale | Feb 2, 2024 | — |
| 144 | Notice of proposed sale | Feb 2, 2024 | — |
| 144 | Notice of proposed sale | Feb 2, 2024 | — |
| 144 | Notice of proposed sale | Feb 2, 2024 | — |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 144 | Notice of proposed sale | Feb 1, 2024 | — |
| 144 | Notice of proposed sale | Jan 29, 2024 | — |
| 144 | Notice of proposed sale | Jan 26, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 26, 2024 | — |
| 144 | Notice of proposed sale | Jan 25, 2024 | — |
| 144 | Notice of proposed sale | Jan 24, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 24, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 22, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 7, 2023 | — |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 12, 2023 | Jun 8, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 4 | Insider transaction | Jun 9, 2023 | Jun 7, 2023 |
| 144 | Notice of proposed sale | Jun 9, 2023 | — |
| 144 | Notice of proposed sale | Jun 9, 2023 | — |
| 4 | Insider transaction | Apr 26, 2023 | Apr 25, 2023 |
| 3 | Initial insider ownership | Apr 26, 2023 | Apr 25, 2023 |
| 4 | Insider transaction | Apr 26, 2023 | Apr 25, 2023 |
| 3 | Initial insider ownership | Apr 26, 2023 | Apr 25, 2023 |
| 4 | Insider transaction | Apr 26, 2023 | Apr 25, 2023 |
| 3 | Initial insider ownership | Apr 26, 2023 | Apr 25, 2023 |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 14, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 13, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2023 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2023 | — |
| SC 13G | Ownership over 5% (passive) | Feb 3, 2023 | — |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Feb 2, 2023 | Jan 31, 2023 |
| 4 | Insider transaction | Nov 10, 2022 | Nov 10, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 9, 2022 |
| 4 | Insider transaction | Jun 13, 2022 | Jun 9, 2022 |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G | Ownership over 5% (passive) | Feb 11, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 9, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Feb 3, 2022 | — |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| 4 | Insider transaction | Feb 2, 2022 | Jan 31, 2022 |
| SC 13G/A | Amended ownership over 5% (passive) | Jan 10, 2022 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Nov 18, 2021 | — |
| 4 | Insider transaction | Sep 15, 2021 | Sep 14, 2021 |
| SC 13G/A | Amended ownership over 5% (passive) | Sep 10, 2021 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 20, 2021 | — |
Showing 200 filings, the most recent 200. 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
- Crude Petroleum & Natural Gas (SIC 1311)
- Listed as
- KOS (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Dallas, TX
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1509991
Other Crude Petroleum & Natural Gas companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.