Company filings profile · CIK 0001509991
Kosmos Energy Ltd. — SEC filings & insider activity.
Real, source-linked SEC EDGAR activity for Kosmos Energy Ltd. (KOS): 13 filings in the last 90 days vs 21 in the prior 90 (filing-velocity cooling ↓ · 0.62×). Latest material 8-K events, insider Form-4 transactions, and periodic reports — monitored for change.
✔ Verified against the public SEC EDGAR filing record as of Sep 22, 2026. Source-linked, daily-refreshed.
Material 8-K events — Kosmos Energy Ltd.
8-K disclosures decoded by item code (the material events: agreements, results, control/management changes, impairments, restatements).
| Filed | Event | |
|---|---|---|
| Sep 21, 2026 | Regulation FD Disclosure | ↗ |
| Sep 8, 2026 | Regulation FD Disclosure | ↗ |
| Aug 3, 2026 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jun 22, 2026 | Completion of Acquisition/Disposition; Financial Statements and Exhibits | ↗ |
| May 28, 2026 | Item 5.07 | ↗ |
| May 5, 2026 | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Mar 12, 2026 | Other Events; Financial Statements and Exhibits | ↗ |
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Insider transactions (Form 4 / 3 / 5)
Recent filings
| Filed | Form | Detail | |
|---|---|---|---|
| Sep 21, 2026 | 8-K | Regulation FD Disclosure | ↗ |
| Sep 8, 2026 | 8-K | Regulation FD Disclosure | ↗ |
| Aug 3, 2026 | 10-Q | 10-Q | ↗ |
| Aug 3, 2026 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| Jul 29, 2026 | SCHEDULE 13G/A | ↗ | |
| Jul 6, 2026 | 4 | FORM 4 | ↗ |
| Jul 6, 2026 | 4 | FORM 4 | ↗ |
| Jul 6, 2026 | 4 | FORM 4 | ↗ |
| Jul 6, 2026 | 4 | FORM 4 | ↗ |
| Jul 2, 2026 | 144 | ↗ | |
| Jul 2, 2026 | 144 | ↗ | |
| Jul 2, 2026 | 144 | ↗ | |
| Jul 2, 2026 | 144 | ↗ | |
| Jun 22, 2026 | SD | SD | ↗ |
| Jun 22, 2026 | 8-K | Completion of Acquisition/Disposition; Financial Statements and Exhibits | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | 4 | FORM 4 | ↗ |
| May 29, 2026 | S-8 | FORM S-8 | ↗ |
| May 28, 2026 | 8-K | Item 5.07 | ↗ |
| May 28, 2026 | 144 | ↗ | |
| May 27, 2026 | 144 | ↗ | |
| May 27, 2026 | 144 | ↗ | |
| May 5, 2026 | 10-Q | 10-Q | ↗ |
| May 5, 2026 | 8-K | Results of Operations (earnings); Regulation FD Disclosure; Financial Statements and Exhibits | ↗ |
| May 1, 2026 | SCHEDULE 13G/A | ↗ | |
| Apr 24, 2026 | SCHEDULE 13G/A | ↗ | |
| Apr 16, 2026 | ARS | ARS | ↗ |
| Apr 16, 2026 | DEFA14A | DEFA14A | ↗ |
| Apr 16, 2026 | DEF 14A | DEF 14A | ↗ |
| Mar 12, 2026 | 4 | FORM 4 | ↗ |
| Mar 12, 2026 | 4 | FORM 4 | ↗ |
| Mar 12, 2026 | 4 | FORM 4 | ↗ |
| Mar 12, 2026 | 4 | FORM 4 | ↗ |
| Mar 12, 2026 | 8-K | Other Events; Financial Statements and Exhibits | ↗ |
| Mar 12, 2026 | 424B5 | 424B5 | ↗ |