Kosmos Energy (NYSE: KOS) CEO sells shares after RSU vesting

Rhea-AI Filing Summary

Kosmos Energy Chairman and CEO Andrew G. Inglis reported equity compensation and related share sales. On February 3, 2026, he acquired 118,539 shares of common stock at $0 upon settlement of restricted share units granted on January 31, 2023 under the company’s Long Term Incentive Plan, which vested based on performance.

To cover tax withholding from this vesting, he sold 103,554 shares on February 3, 2026 at a weighted average price of $1.37 per share, with actual prices between $1.34 and $1.405. He then sold an additional 44,628 shares on February 4, 2026 at a weighted average price of $1.42, with actual prices between $1.395 and $1.465. After these transactions, he directly owned 4,227,017 shares of Kosmos Energy common stock.

Insider Trade Summary

Net Seller: 148,182 shares ($205,241)

Net Sell 3 txns

Insider INGLIS ANDREW G

Role Chairman and CEO

Sold 148,182 shs ($205K)

Type	Security	Shares	Price	Value
Sale	Common Stock	44,628	$1.42	$63K
Grant/Award	Common Stock	118,539	$0.00	--
Sale	Common Stock	103,554	$1.37	$142K

Holdings After Transaction: Common Stock — 4,227,017 shares (Direct)

Footnotes (1)

1. 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. 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. 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. 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.

Form 4 Insider Transactions: What Each Field Means →

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

INGLIS ANDREW G

(Last) (First) (Middle)

8176 PARK LANE, SUITE 500

(Street)

DALLAS TX 75231

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
Kosmos Energy Ltd. [ KOS ]

5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	Chairman and CEO

3. Date of Earliest Transaction (Month/Day/Year)
02/03/2026

4. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	02/03/2026		A		118,539(1)	A	$0	4,375,199	D
Common Stock	02/03/2026		S		103,554(2)	D	$1.37(3)	4,271,645	D
Common Stock	02/04/2026		S		44,628(2)	D	$1.42(4)	4,227,017	D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. 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.

2. 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.

3. 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.

4. 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.

Remarks:

	By: /s/ Josh R. Marion, Attorney-in-Fact	02/05/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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