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KOS

Kosmos Energy (KOS) stock: insider trades, news & valuation

Strong buying
Close · Oct 9, 2026 $2.64 -1.9% on the day +56.2% over 12 months 52-week range $0.87 – $3.27

Share price and insider trades

KOS closeInsider buyInsider sale
01234NovDecJan 2026FebMarAprMayJunJulAugSepOctSold $107,799 on 2026-02-04 · Andrew G Inglis, Josh R. Marion, Nealesh D. Shah, Ronald W. GlassSold $118,662 on 2026-05-28 · Roy A. FranklinSold $224,138 on 2026-05-27 · John Douglas Kelso Grant, Steven SterinSold $269,793 on 2026-02-03 · Andrew G Inglis, Josh R. Marion, Nealesh D. Shah, Ronald W. GlassSold $346,475 on 2026-07-02 · Andrew G Inglis, Josh R. Marion, Nealesh D. Shah, Ronald W. GlassBought $6,999,999 on 2026-03-10 · Adebayo O. Ogunlesi, Andrew G Inglis, J Michael Stice, Nealesh D. Shah
Bought, 12 months$7.0M
Sold, 12 months$1.1M
Insiders buying4
Insiders selling7

Kosmos Energy insider trading at a glance (Oct 9, 2026): in the past 12 months, 4 insiders bought $7.0M and 7 sold $1.1M of KOS stock on the open market, including a cluster buy that began Mar 10, 2026.

KOS insider buying and selling by quarter

Open-market purchases (green, above the line) and sales (red, below), by trade date.

Q1 2026: $7.0M bought (4 trades)$7.0MQ1 2026: $378K sold (8 trades)Q1 2026Q2 2026: $343K sold (3 trades)Q2 2026Q3 2026: $346K sold (4 trades)Q3 2026Q4 2026
QuarterBoughtPurchasesSoldSales
Q4 2026—0—0
Q3 2026—0$346K4
Q2 2026—0$343K3
Q1 2026$7.0M4$378K8

Valuation, profit and volume

P/E (trailing)n/aSector median —
Market value— 
Profit margin—Revenue growth —
Volume vs. 50-day1.0×Last 5 sessions
Insiders' paper profit+$2.7MOn all tracked purchases +38.9%

Summary

Over the past 12 months, 4 Kosmos Energy Ltd. insiders reported open-market purchases totaling $7.0M, while 7 insiders reported sales totaling $1.1M. The most recent cluster buy began on Mar 10, 2026, when 4 insiders bought a combined $7.0M. 12 of 15 recorded sales were made under pre-scheduled Rule 10b5-1 trading plans, which are usually less informative than discretionary sales.

Insider transactions

Open-market purchases and sales.

Filed Insider Type Shares Price Value Since Score
Jul 6SEC Andrew G InglisCEO, Chair Sell Plan 85,9354,678,043 held (−2%) $2.05 $176K +28.8% —
Jul 6SEC Nealesh D. ShahCFO Sell Plan 45,9801,935,410 held (−2%) $2.05 $94K +28.8% —
Jul 6SEC Josh R. MarionGeneral Counsel Sell Plan 24,969233,404 held (−10%) $2.05 $51K +28.8% —
Jul 6SEC Ronald W. GlassVp & Chief Accounting Officer Sell Plan 12,128358,700 held (−3%) $2.05 $25K +28.8% —
May 29SEC Roy A. FranklinDirector Sell 43,466150,722 held (−22%) $2.73 $119K -3.3% —
May 29SEC John Douglas Kelso GrantDirector Sell 43,46682,311 held (−35%) $2.73 $119K -3.3% —
May 29SEC Steven SterinDirector Sell 38,636331,295 held (−10%) $2.73 $105K -3.3% —
Mar 12SEC Adebayo O. OgunlesiDirector Buy 3,157,8954,974,184 held (+174%) $1.90 $6.0M +38.9% —
Mar 12SEC Andrew G InglisCEO, Chair Buy 315,7904,542,807 held (+7%) $1.90 $600K +38.9% —
Mar 12SEC Nealesh D. ShahCFO Buy 157,8941,863,061 held (+9%) $1.90 $300K +38.9% —
Mar 12SEC J Michael SticeDirector Buy 52,631207,620 held (+34%) $1.90 $100K +38.9% —
Feb 5SEC Andrew G InglisCEO, Chair Sell Plan 103,5544,271,645 held (−2%) $1.37 $142K +92.7% —
Feb 5SEC Nealesh D. ShahCFO Sell Plan 54,4341,729,857 held (−3%) $1.37 $75K +92.7% —
Feb 5SEC Andrew G InglisCEO, Chair Sell Plan 44,6284,227,017 held (−1%) $1.42 $63K +85.9% —
Feb 5SEC Nealesh D. ShahCFO Sell Plan 24,6901,705,167 held (−1%) $1.42 $35K +85.9% —
Feb 5SEC Josh R. MarionGeneral Counsel Sell Plan 19,656197,409 held (−9%) $1.37 $27K +92.7% —
Feb 5SEC Ronald W. GlassVp & Chief Accounting Officer Sell Plan 19,285342,945 held (−5%) $1.37 $26K +92.7% —
Feb 5SEC Ronald W. GlassVp & Chief Accounting Officer Sell Plan 3,313339,632 held (−1%) $1.42 $5K +85.9% —
Feb 5SEC Josh R. MarionGeneral Counsel Sell Plan 3,284194,125 held (−2%) $1.42 $5K +85.9% —

Insiders at Kosmos Energy Ltd.

InsiderBoughtSoldLast filingScore
Adebayo O. OgunlesiDirector $6.0M — Mar 12, 2026 —
Andrew G InglisCEO, Chair $600K $381K Jul 6, 2026 —
Nealesh D. ShahCFO $300K $204K Jul 6, 2026 —
J Michael SticeDirector $100K — Mar 12, 2026 —
Roy A. FranklinDirector — $119K May 29, 2026 —
John Douglas Kelso GrantDirector — $119K May 29, 2026 —
Steven SterinDirector — $105K May 29, 2026 —
Josh R. MarionGeneral Counsel — $83K Jul 6, 2026 —
Ronald W. GlassVp & Chief Accounting Officer — $56K Jul 6, 2026 —

KOS stock: common questions

Are Kosmos Energy Ltd. insiders buying KOS stock?

In the past 12 months, 4 insiders reported open-market purchases of KOS worth $7.0M. The latest was Director Adebayo O. Ogunlesi bought $6.0M of KOS at $1.90 — first open-market purchase in our records; raises the stake by 174%.

Are Kosmos Energy Ltd. insiders selling KOS stock?

7 insiders reported sales worth $1.1M over the same period.

Where does this data come from?

Every transaction comes from Form 4 filings that insiders must submit to the SEC within two business days of a trade. We pull them from SEC EDGAR every night.

What is KOS's 52-week range?

Over the past year KOS has traded between $0.87 and $3.27. It last closed at $2.64 on Oct 9, 2026.