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 |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 16, 2026 | — |
| DEF 14A | Proxy statement | Apr 16, 2026 | May 28, 2026 |
| DEFA14A | Additional proxy material | Apr 25, 2025 | — |
| DEF 14A | Proxy statement | Apr 25, 2025 | Jun 5, 2025 |
| DEFA14A | Additional proxy material | Apr 25, 2024 | — |
| DEF 14A | Proxy statement | Apr 25, 2024 | Jun 6, 2024 |
| DEFA14A | Additional proxy material | Apr 28, 2023 | — |
| DEF 14A | Proxy statement | Apr 28, 2023 | — |
| DEFA14A | Additional proxy material | Apr 28, 2022 | — |
| DEF 14A | Proxy statement | Apr 28, 2022 | Jun 9, 2022 |
| DEFA14A | Additional proxy material | Apr 28, 2021 | — |
| DEF 14A | Proxy statement | Apr 28, 2021 | Jun 9, 2021 |
| DEFA14A | Additional proxy material | May 12, 2020 | — |
| DEFA14A | Additional proxy material | Apr 29, 2020 | — |
| DEF 14A | Proxy statement | Apr 29, 2020 | Jun 10, 2020 |
| PRE 14A | Preliminary proxy statement | Apr 17, 2020 | Apr 16, 2020 |
| DEFA14A | Additional proxy material | Apr 23, 2019 | — |
| DEF 14A | Proxy statement | Apr 23, 2019 | Jun 5, 2019 |
| DEFA14A | Additional proxy material | Apr 24, 2018 | — |
| DEF 14A | Proxy statement | Apr 24, 2018 | Jun 5, 2018 |
| DEF 14A | Proxy statement | Mar 29, 2017 | May 10, 2017 |
| DEF 14A | Proxy statement | Apr 29, 2016 | Jun 16, 2016 |
| DEF 14A | Proxy statement | Apr 28, 2015 | Jun 3, 2015 |
| DEF 14A | Proxy statement | Apr 28, 2014 | Jun 5, 2014 |
| DEF 14A | Proxy statement | Apr 26, 2013 | Jun 5, 2013 |
Showing 25 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.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
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.