Kosmos Energy (KOS) insider plans Rule 144 sale of 54,434 shares

Rhea-AI Filing Summary

Kosmos Energy holder plans to sell restricted stock under Rule 144. The notice covers the proposed sale of 54,434 shares of common stock through Fidelity Brokerage Services LLC on the NYSE, with an aggregate market value of $74,939.29 and an approximate sale date of 02/03/2026.

The shares were acquired from the issuer on 02/02/2026 through restricted stock vesting as compensation. Common shares outstanding were 478,326,954, which is a baseline figure for the issuer’s equity.

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK
Filer CCC
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer

SEC File Number

Address of Issuer

Phone

Name of Person for Whose Account the Securities are To Be Sold

See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.

Relationship to Issuer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917	54434	74939.29	478326954	02/03/2026	NYSE

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/02/2026	Restricted Stock Vesting	Issuer			54434	02/02/2026	Compensation

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Nothing to Report

144: Remarks and Signature

Remarks

Date of Notice

ATTENTION:

The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.

Signature

ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)

FAQ

What does the Form 144 filing for KOS disclose?

The Form 144 discloses a planned sale of 54,434 Kosmos Energy common shares. These shares are proposed to be sold on the NYSE, with an aggregate market value of $74,939.29, and were recently acquired as restricted stock vesting compensation.

How many Kosmos Energy (KOS) shares are planned to be sold?

The filing reports a proposed sale of 54,434 Kosmos Energy common shares. This amount reflects stock acquired via restricted stock vesting from the issuer, with the shares expected to be sold through Fidelity Brokerage Services LLC on the NYSE.

When were the KOS shares acquired and how?

The Kosmos Energy shares were acquired on 02/02/2026 through restricted stock vesting. The filing states they were obtained from the issuer as compensation, indicating they are newly vested equity rather than purchased shares from the open market.

What is the reported market value of the KOS shares to be sold?

The Form 144 lists an aggregate market value of $74,939.29 for the 54,434 common shares to be sold. This value reflects the market price at the time of the notice and is used to quantify the proposed transaction size.

On which exchange will the KOS shares be sold and through which broker?

The filing indicates the Kosmos Energy common shares are expected to be sold on the NYSE. Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island, is named as the broker handling the planned Rule 144 transaction.

How many Kosmos Energy shares are outstanding according to the filing?

The notice reports 478,326,954 Kosmos Energy common shares outstanding. This figure provides a baseline view of the company’s equity size relative to the 54,434-share proposed sale disclosed in the Form 144.