Kosmos Energy Ltd. (KOS) Insider Trading
Over the last 3 months, KOS insiders made 4 open-market buys and 3 sales, a net purchase of $6.7M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 161 institutions increased and 149 reduced their position (13F).
Insider Activity
Sentiment
95/100
Buys (3m)
4
Sells (3m)
3
Net (3m)
$6.7M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Feb
Feb
Jun
Feb
Mar
May
Context3-month price +17.7%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 29, 2026 | STICE J MICHAELdirector | Grant | 62,044 | $2.74 |
| May 29, 2026 | Grant John Douglas Kelsodirector | Tax | 735 | $2.85 |
| May 29, 2026 | Grant John Douglas Kelsodirector | Grant | 62,044 | $2.74 |
| May 29, 2026 | Franklin Roy A.director | Grant | 62,044 | $2.74 |
| May 29, 2026 | Sterin Stevendirector | Grant | 62,044 | $2.74 |
| May 29, 2026 | Sterin Stevendirector | Sell | 38,636 | $2.73 |
| May 29, 2026 | Franklin Roy A.director | Tax | 976 | $2.85 |
| May 29, 2026 | GOODWIN DEANNA Ldirector | Grant | 62,044 | $2.74 |
| May 29, 2026 | Franklin Roy A.director | Sell | 43,466 | $2.73 |
| May 29, 2026 | Moraeus Hanssen Mariadirector | Grant | 62,044 | $2.74 |
| May 29, 2026 | Ogunlesi Adebayo O.director | Grant | 62,044 | $2.74 |
| May 29, 2026 | Grant John Douglas Kelsodirector | Sell | 43,466 | $2.73 |
| Mar 12, 2026 | INGLIS ANDREW Gdirector, officer: Chairman and CEO | Buy | 315,790 | $1.90 |
| Mar 12, 2026 | Shah Nealesh D.officer: SVP and CFO | Buy | 157,894 | $1.90 |
| Mar 12, 2026 | STICE J MICHAELdirector | Buy | 52,631 | $1.90 |
| Mar 12, 2026 | Ogunlesi Adebayo O.director | Buy | 3,157,895 | $1.90 |
| Feb 5, 2026 | Glass Ronald W.officer: VP & Chief Accounting Officer | Grant | 7,732 | — |
| Feb 5, 2026 | Shah Nealesh D.officer: SVP and CFO | Grant | 65,567 | — |
| Feb 5, 2026 | Marion Josh R.officer: SVP and General Counsel | Sell | 3,284 | $1.42 |
| Feb 5, 2026 | Glass Ronald W.officer: VP & Chief Accounting Officer | Sell | 3,313 | $1.42 |
| Feb 5, 2026 | INGLIS ANDREW Gdirector, officer: Chairman and CEO | Sell | 44,628 | $1.42 |
| Feb 5, 2026 | INGLIS ANDREW Gdirector, officer: Chairman and CEO | Sell | 103,554 | $1.37 |
| Feb 5, 2026 | Marion Josh R.officer: SVP and General Counsel | Sell | 19,656 | $1.37 |
| Feb 5, 2026 | INGLIS ANDREW Gdirector, officer: Chairman and CEO | Grant | 118,539 | — |
| Feb 5, 2026 | Shah Nealesh D.officer: SVP and CFO | Sell | 24,690 | $1.42 |
| Feb 5, 2026 | Marion Josh R.officer: SVP and General Counsel | Grant | 7,661 | — |
| Feb 5, 2026 | Glass Ronald W.officer: VP & Chief Accounting Officer | Sell | 19,285 | $1.37 |
| Feb 5, 2026 | Shah Nealesh D.officer: SVP and CFO | Sell | 54,434 | $1.37 |
| Feb 3, 2026 | Shah Nealesh D.officer: SVP and CFO | Grant | 163,350 | — |
| Feb 3, 2026 | Marion Josh R.officer: SVP and General Counsel | Grant | 58,080 | — |
Source: KOS SEC Form 4 filings, latest May 29, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their KOS positions over the last 6 months (SEC Form 13F).
Increased
161
New positions
103
Reduced
149
Sold out
79
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 47.5M | May 13, 2026 |
| BLACKROCK, INC. | Reduced | 46.9M | Feb 12, 2026 |
| GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | Increased | 34.8M | Feb 17, 2026 |
| STATE STREET CORP | Increased | 28.2M | May 15, 2026 |
| EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC | Increased | 20.7M | Apr 24, 2026 |
| STATE STREET CORP | Increased | 20.4M | Feb 13, 2026 |
| D. E. SHAW & CO., INC. | Increased | 20.4M | May 15, 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | Reduced | 20.1M | Feb 17, 2026 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | Reduced | 20.1M | May 15, 2026 |
| EQUINOX PARTNERS INVESTMENT MANAGEMENT LLC | Increased | 19.5M | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | Increased | 18.7M | May 15, 2026 |
| GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC | Reduced | 18.3M | May 14, 2026 |
| VANGUARD GROUP INC | Increased | 14.8M | Jan 29, 2026 |
| MILLENNIUM MANAGEMENT LLC | Reduced | 14.8M | Feb 17, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 14.1M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.