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 |
|---|---|---|---|
| 10-Q | Quarterly report | Nov 2, 2026 | Sep 30, 2026 |
| 8-K |
Current report
Material agreement, New debt
|
Nov 2, 2026 | Oct 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 2, 2026 | Nov 2, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 21, 2026 | Sep 18, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Sep 8, 2026 | Sep 8, 2026 |
| 10-Q | Quarterly report | Aug 3, 2026 | Jun 30, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 3, 2026 | Aug 3, 2026 |
| 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 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 22, 2026 | — |
| 8-K |
Current report
Acquisition or sale of assets
|
Jun 22, 2026 | Jun 22, 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 |
| S-8 | Employee stock plan registration | May 29, 2026 | — |
| 8-K |
Current report
Shareholder vote results
|
May 28, 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 | — |
| 10-Q | Quarterly report | May 5, 2026 | Mar 31, 2026 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 5, 2026 | May 5, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 1, 2026 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Apr 24, 2026 | — |
| ARS | Annual report to shareholders | Apr 16, 2026 | Dec 31, 2025 |
| DEFA14A | Additional proxy material | Apr 16, 2026 | — |
| DEF 14A | Proxy statement | Apr 16, 2026 | May 28, 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 |
| 8-K |
Current report
Other events
|
Mar 12, 2026 | Mar 10, 2026 |
| 424B5 | Prospectus supplement | Mar 12, 2026 | — |
| 424B3 | Prospectus | Mar 10, 2026 | — |
| 10-K | Annual report | Mar 2, 2026 | Dec 31, 2025 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Mar 2, 2026 | Mar 2, 2026 |
| 8-K |
Current report
Material agreement, Regulation FD disclosure
|
Feb 25, 2026 | Feb 24, 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 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 29, 2026 | Jan 29, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 26, 2026 | Jan 26, 2026 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jan 21, 2026 | — |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Jan 12, 2026 | Jan 12, 2026 |
| 8-K |
Current report
Regulation FD disclosure
|
Jan 2, 2026 | Jan 2, 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 | — |
| 10-Q | Quarterly report | Nov 4, 2025 | Sep 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 3, 2025 | Nov 3, 2025 |
| 8-K |
Current report
Material agreement, New debt, Regulation FD disclosure
|
Sep 30, 2025 | Sep 24, 2025 |
| 8-K |
Current report
Officer or director change
|
Aug 22, 2025 | Aug 22, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 14, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Aug 13, 2025 | — |
| 10-Q | Quarterly report | Aug 4, 2025 | Jun 30, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 4, 2025 | Aug 4, 2025 |
| UPLOAD | Letter from the SEC | Jul 23, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | Jul 15, 2025 | — |
| CORRESP | Letter to the SEC | Jul 2, 2025 | — |
| UPLOAD | Letter from the SEC | Jun 24, 2025 | — |
| SD | Specialized disclosure (conflict minerals) | Jun 13, 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 |
| 8-K |
Current report
Shareholder vote results
|
Jun 5, 2025 | Jun 5, 2025 |
| 144 | Notice of proposed sale | Jun 5, 2025 | — |
| SCHEDULE 13G | Ownership over 5% (passive) | May 14, 2025 | — |
| 10-Q | Quarterly report | May 6, 2025 | Mar 31, 2025 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 6, 2025 | May 6, 2025 |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 1, 2025 | — |
| SCHEDULE 13G/A | Amended ownership over 5% (passive) | May 1, 2025 | — |
| ARS | Annual report to shareholders | Apr 25, 2025 | Dec 31, 2024 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 5, 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 | — |
| 10-K | Annual report | Feb 24, 2025 | Dec 31, 2024 |
| 8-K |
Current report
Acquisition or sale of assets, Regulation FD disclosure
|
Feb 24, 2025 | Feb 24, 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 | — |
| 8-K |
Current report
Regulation FD disclosure
|
Nov 29, 2024 | Nov 29, 2024 |
| SC 13G | Ownership over 5% (passive) | Nov 8, 2024 | — |
| 10-Q | Quarterly report | Nov 4, 2024 | Sep 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Nov 4, 2024 | Nov 4, 2024 |
| 8-K |
Current report
Agreement ended
|
Oct 18, 2024 | Oct 18, 2024 |
| 8-K |
Current report
Regulation FD disclosure
|
Oct 8, 2024 | Oct 7, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Sep 24, 2024 | Sep 24, 2024 |
| 8-K |
Current report
Other events
|
Sep 10, 2024 | Sep 10, 2024 |
| 8-K |
Current report
Regulation FD disclosure, Other events
|
Sep 9, 2024 | Sep 9, 2024 |
| SD | Specialized disclosure (conflict minerals) | Sep 5, 2024 | — |
| SC 13G/A | Amended ownership over 5% (passive) | Aug 12, 2024 | — |
| 10-Q | Quarterly report | Aug 5, 2024 | Jun 30, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Aug 5, 2024 | Aug 5, 2024 |
| 3 | Initial insider ownership | Jul 16, 2024 | Jul 8, 2024 |
| 8-K |
Current report
Officer or director change
|
Jul 8, 2024 | Jul 5, 2024 |
| S-3ASR | Automatic shelf registration | Jun 20, 2024 | — |
| 8-K/A |
Amended current report
Shareholder vote results
|
Jun 10, 2024 | Jun 6, 2024 |
| 8-K |
Current report
Shareholder vote results
|
Jun 7, 2024 | Jun 6, 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 | — |
| PX14A6G | Filing | May 10, 2024 | — |
| 10-Q | Quarterly report | May 7, 2024 | Mar 31, 2024 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
May 7, 2024 | May 7, 2024 |
| 8-K |
Current report
Material agreement, New debt
|
Apr 29, 2024 | Apr 29, 2024 |
| ARS | Annual report to shareholders | Apr 25, 2024 | Dec 31, 2023 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Jun 6, 2024 |
| 144 | Notice of proposed sale | Mar 19, 2024 | — |
| 8-K |
Current report
Material agreement, New debt, Unregistered share sale
|
Mar 8, 2024 | Mar 8, 2024 |
| SC 13G/A | Amended ownership over 5% (passive) | Mar 7, 2024 | — |
| 8-K |
Current report
Other events
|
Mar 4, 2024 | Mar 4, 2024 |
| 10-K | Annual report | Feb 26, 2024 | Dec 31, 2023 |
| 8-K |
Current report
Results of operations, Regulation FD disclosure
|
Feb 26, 2024 | Feb 26, 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 |
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.