Kosmos director awarded 62,044 restricted share units

Ogunlesi Adebayo O. reported acquisition or exercise transactions in this Form 4 filing.

Rhea-AI Filing Summary

Ogunlesi Adebayo O. reported acquisition or exercise transactions in this Form 4 filing.

Kosmos Energy Ltd. director Adebayo O. Ogunlesi received an equity award of 62,044 shares of Common Stock, valued at $2.74 per share, as a grant under the company’s Long Term Incentive Plan. This is compensation, not an open-market purchase.

Following the award, his direct holdings increased to 5,036,228 shares. According to the grant terms, these restricted share units are scheduled to vest 100% on the earlier of May 28, 2027 or the day immediately before the company’s first annual shareholder meeting after the grant date, subject to the plan and award agreement conditions.

Insider Trade Summary

Grant/Award: 62,044 shares

Grant/Award 1 txn

Insider Ogunlesi Adebayo O.

Role Director

Type	Security	Shares	Price	Value
Grant/Award	Common Stock	62,044	$2.74	$170K

Holdings After Transaction: Common Stock — 5,036,228 shares (Direct)

Footnotes (1)

1. F1. These restricted share units were granted under the Issuer's Long Term Incentive Plan (the "Plan") and are scheduled to vest 100% on the earlier of May 28, 2027 or the day immediately preceding the date of the Issuer's first annual shareholder meeting following the date of grant, subject to the terms of the Plan and the applicable award agreement issued thereunder.

Key Figures

Equity award size: 62,044 shares Grant value per share: $2.74 per share Post-transaction holdings: 5,036,228 shares +1 more

4 metrics

Equity award size 62,044 shares Grant of Common Stock under Long Term Incentive Plan on May 28, 2026

Grant value per share $2.74 per share Reported transaction price for the 62,044-share award

Post-transaction holdings 5,036,228 shares Total direct Common Stock holdings after the grant

Vesting date trigger May 28, 2027 RSUs vest 100% on this date or earlier meeting-based trigger

Key Terms

restricted share units, Long Term Incentive Plan, vest 100%, annual shareholder meeting

4 terms

restricted share units financial

"These restricted share units were granted under the Issuer's Long Term Incentive Plan"

Restricted share units (RSUs) are a promise from a company to give an employee or service provider actual shares or cash equal to the shares after certain conditions are met, typically staying with the company for a set time or hitting performance targets. Think of them like a time-locked gift card that becomes usable only after you’ve earned it. For investors, RSUs matter because they align employee incentives with company performance and can increase the number of shares outstanding over time, diluting existing ownership and affecting earnings per share.

Long Term Incentive Plan financial

"were granted under the Issuer's Long Term Incentive Plan (the "Plan")"

A long term incentive plan is a company program that awards executives and key employees bonuses—often in stock, options, or cash—only if the business meets multi-year performance goals. It links management pay to company results—like tying a coach’s bonus to a team’s multi-season record—so investors monitor it for how leaders are motivated, potential share dilution, and signals about the company’s long-term priorities.

vest 100% financial

"and are scheduled to vest 100% on the earlier of May 28, 2027"

annual shareholder meeting financial

"or the day immediately preceding the date of the Issuer's first annual shareholder meeting"

A yearly gathering where a company’s owners (shareholders) and its leaders meet to review performance, approve key decisions like electing directors, and vote on issues such as executive pay or major policy changes. Think of it as an annual town hall for people who own part of the business: investors use it to ask questions, influence direction through votes, and gauge management’s plans and transparency, all of which can affect the stock’s outlook.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What did Kosmos Energy (KOS) director Adebayo Ogunlesi report on this Form 4?

Director Adebayo O. Ogunlesi reported receiving an equity award of 62,044 shares of Kosmos Energy Common Stock. The award was granted as compensation under the company’s Long Term Incentive Plan, rather than as an open-market stock purchase.

How many Kosmos Energy (KOS) shares did the director receive and at what value?

He received 62,044 shares of Common Stock, valued at $2.74 per share. This reflects a grant or award acquisition under the company’s incentive plan, not a market transaction, and increases his direct ownership position in the company.

When do the new Kosmos Energy (KOS) restricted share units vest?

The restricted share units are scheduled to vest 100% on the earlier of May 28, 2027 or the day immediately before Kosmos Energy’s first annual shareholder meeting following the grant. Vesting is subject to the Long Term Incentive Plan and the related award agreement.

How many Kosmos Energy (KOS) shares does the director hold after this award?

After receiving the 62,044-share grant, Adebayo O. Ogunlesi directly holds 5,036,228 shares of Kosmos Energy Common Stock. This figure reflects his ownership immediately following the reported transaction on the Form 4 filing date.

Was this Kosmos Energy (KOS) Form 4 transaction a stock buy or a compensation grant?

The transaction was a compensation grant, not a stock buy. The filing classifies it as a grant, award, or other acquisition under a Long Term Incentive Plan, meaning the director did not purchase the shares in the open market.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 05/29/2026 - 04:58 PM Learn about SEC filing dates

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).

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^*

Ogunlesi Adebayo O.

(Last) (First) (Middle)

8176 PARK LANE, SUITE 500

(Street)

DALLAS TEXAS 75231

(City) (State) (Zip)

UNITED STATES

(Country)

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
	Officer (give title below)		Other (specify below)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
05/28/2026

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

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

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

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	05/28/2026		A		62,044(1)	A	$2.74	5,036,228	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. These restricted share units were granted under the Issuer's Long Term Incentive Plan (the "Plan") and are scheduled to vest 100% on the earlier of May 28, 2027 or the day immediately preceding the date of the Issuer's first annual shareholder meeting following the date of grant, subject to the terms of the Plan and the applicable award agreement issued thereunder.

Remarks:

	/s/ Josh R. Marion, Attorney-in-Fact	05/29/2026
	** 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).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)