Form 4 for KOS Kosmos Energy Ltd.

Accepted 2026-02-05 00:00:00 ET · period of report 2026-02-03 · accession 0001794967-26-000004 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X	Filed	Traded	Ticker	Insider	Title	Type	Price	Qty	Owned	ΔOwn	Value
M	2026-02-05	2026-02-03+	KOS	Glass Ronald W.	VP, CAO	S - Sale	$1.38	-22.6K	342.9K	-6%	-$31.1K
	2026-02-05	2026-02-03	KOS	Glass Ronald W.	VP, CAO	A - Grant	$0.00	+7,732	362.2K	+2%	$0

Purchase Sale Sale after option exercise All abbreviations

#	Table	Security	Date	Code	A/D	Shares	Price	Owned after	Own	Exercise / expiry	Underlying	Footnotes
1	Common	Common Stock	2026-02-04	S	D	3,313	$1.42	339,632	D	—	—	(F2) These shares were sold to satisfy the tax withholding requirement arising from the vesting of restricted share units granted to the reporting person under the Plan. (F4) The price reported above reflects the weighted average sales price. Sales of shares took place at actual prices ranging from $1.395 to $1.465 per share.
2	Common	Common Stock	2026-02-03	A	A	7,732	$0.00	362,230	D	—	—	(F1) Represents shares issued on settlement of restricted share units granted to the reporting person on January 31, 2023 under the Issuer's Long Term Incentive Plan (the "Plan") that vested based on the level of achievement of the applicable performance condition.
3	Common	Common Stock	2026-02-03	S	D	19,285	$1.37	342,945	D	—	—	(F2) These shares were sold to satisfy the tax withholding requirement arising from the vesting of restricted share units granted to the reporting person under the Plan. (F3) The price reported above reflects the weighted average sales price. Sales of shares took place at actual prices ranging from $1.34 to $1.405 per share.