KOS insider buying and SEC filings, explained
Kosmos Energy Ltd. · CIK 1509991
Tracked: Forms 3/4/5, 8-K, NT · All filings on sec.gov
Company profile
- Exchanges
- NYSE
- Industry (SIC)
- Crude Petroleum & Natural Gas
- State of incorporation
- DE
- Fiscal year end
- Dec 31
Insider activity in the last 12 months
Bought
$7.0M
Insiders who bought
4
Sold (not marked 10b5-1)
$343K
Planned sales (10b5-1)
$724K
Insider purchases and sales, last 12 months
| Traded | Type | What was filed | Source |
|---|---|---|---|
| Jul 2, 2026 | Planned (10b5-1) | Josh R. Marion (SVP and General Counsel) sold 24,969 shares at about $2.05 ($51K), marked as a 10b5-1 plan trade. Holdings down 10% to 233,404 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 2, 2026 | Planned (10b5-1) | Nealesh D. Shah (CFO) sold 45,980 shares at about $2.05 ($94K), marked as a 10b5-1 plan trade. Holdings down 2% to 1,935,410 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 2, 2026 | Planned (10b5-1) | Ronald W. Glass (VP & Chief Accounting Officer) sold 12,128 shares at about $2.05 ($25K), marked as a 10b5-1 plan trade. Holdings down 3% to 358,700 shares. | SEC filing Filed Jul 6, 2026 |
| Jul 2, 2026 | Planned (10b5-1) | Andrew G. Inglis (CEO and Director) sold 85,935 shares at about $2.05 ($176K), marked as a 10b5-1 plan trade. Holdings down 2% to 4,678,043 shares. | SEC filing Filed Jul 6, 2026 |
| May 27, 2026 | Sale | John Douglas Kelso Grant (Director) sold 43,466 shares at $2.73 ($119K). Holdings down 35% to 82,311 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 29, 2026 |
| May 27, 2026 | Sale | Steven Sterin (Director) sold 38,636 shares at $2.73 ($105K). Holdings down 10% to 331,295 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 29, 2026 |
| May 28, 2026 | Sale | Roy A. Franklin (Director) sold 43,466 shares at $2.73 ($119K). Holdings down 22% to 150,722 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed May 29, 2026 |
| Mar 10, 2026 | Purchase (code P) | Adebayo O. Ogunlesi (Director) bought 3,157,895 shares at $1.90 ($6.0M), reported as a purchase (code P). Holdings up 174% to 4,974,184 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10, 2026 | Purchase (code P) | J. Michael Stice (Director) bought 52,631 shares at $1.90 ($100K), reported as a purchase (code P). Holdings up 34% to 207,620 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10, 2026 | Purchase (code P) | Nealesh D. Shah (CFO) bought 157,894 shares at $1.90 ($300K), reported as a purchase (code P). Holdings up 9% to 1,863,061 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Mar 10, 2026 | Purchase (code P) | Andrew G. Inglis (CEO and Director) bought 315,790 shares at $1.90 ($600K), reported as a purchase (code P). Holdings up 7% to 4,542,807 shares. Not marked as a 10b5-1 plan trade. | SEC filing Filed Mar 12, 2026 |
| Feb 3–4, 2026 | Planned (10b5-1) | Josh R. Marion (SVP and General Counsel) sold 22,940 shares between Feb 3 and Feb 4 at about $1.38 ($32K), marked as a 10b5-1 plan trade. Holdings down 11% to 194,125 shares. | SEC filing Filed Feb 5, 2026 |
| Feb 3–4, 2026 | Planned (10b5-1) | Nealesh D. Shah (CFO) sold 79,124 shares between Feb 3 and Feb 4 at about $1.39 ($110K), marked as a 10b5-1 plan trade. Holdings down 4% to 1,705,167 shares. | SEC filing Filed Feb 5, 2026 |
| Feb 3–4, 2026 | Planned (10b5-1) | Ronald W. Glass (VP & Chief Accounting Officer) sold 22,598 shares between Feb 3 and Feb 4 at about $1.38 ($31K), marked as a 10b5-1 plan trade. Holdings down 6% to 339,632 shares. | SEC filing Filed Feb 5, 2026 |
| Feb 3–4, 2026 | Planned (10b5-1) | Andrew G. Inglis (CEO and Director) sold 148,182 shares between Feb 3 and Feb 4 at about $1.39 ($205K), marked as a 10b5-1 plan trade. Holdings down 3% to 4,227,017 shares. | SEC filing Filed Feb 5, 2026 |
19 routine transactions (such as grants, option exercises or tax withholding) are not listed.
Cluster buys
4 insiders bought in 30 days
$7.0M in purchases since Mar 10, 2026 · Purchases traded Mar 10, 2026 to Mar 10, 2026 · Closed
| Insider | Value | Traded | Source |
|---|---|---|---|
| Andrew G. Inglis (CEO) | $600K | Mar 10, 2026 | SEC filing |
| Nealesh D. Shah (CFO) | $300K | Mar 10, 2026 | SEC filing |
| J. Michael Stice (Director) | $100K | Mar 10, 2026 | SEC filing |
| Adebayo O. Ogunlesi (Director) | $6.0M | Mar 10, 2026 | SEC filing |
Red flags
No red flags in the last 12 months.
Key events
No key events in the last 12 months.
8-K filings, last 12 months
| Filed | Items | Tag | Source |
|---|---|---|---|
| Nov 2, 2026, 6:46 AM ET 8-K | Material agreement (Item 1.01) New debt or obligation (Item 2.03) | SEC filing | |
| Nov 2, 2026, 6:44 AM ET 8-K | Earnings released (Item 2.02) Reg FD disclosure (Item 7.01) | SEC filing |
Red flags are objective triggers only: the item or form filed, never an opinion.
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