Insider plans sale of 3,313 common shares in KOS (KOS)

Rhea-AI Filing Summary

A holder of common stock in KOS has filed a Form 144 notice to potentially sell 3,313 common shares through Fidelity Brokerage Services on the NYSE around 02/04/2026. The issuer reports 478,326,954 common shares outstanding, giving a sense of the company’s overall equity base.

The 3,313 shares were acquired on 02/02/2026 via restricted stock vesting from the issuer as compensation. The filing also lists a prior sale by Ronald Glass of 19,285 common shares on 02/03/2026 for gross proceeds of 26,549.66. The signer represents that they are not aware of any undisclosed material adverse information about the issuer’s operations.

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	3313	4710.42	478326954	02/04/2026	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			3313	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

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
Ronald Glass 8176 Park Lane Dallas TX 75231	Common	02/03/2026	19285	26549.66

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 insider share sale does the latest Form 144 for KOS disclose?

The Form 144 for KOS discloses a planned sale of 3,313 common shares through Fidelity Brokerage Services on the NYSE around 02/04/2026. These shares were recently acquired via restricted stock vesting as compensation from the issuer.

How were the 3,313 KOS shares in the Form 144 acquired?

The 3,313 KOS common shares were acquired on 02/02/2026 through a restricted stock vesting transaction from the issuer as compensation. The filing lists the issuer as the source and characterizes the nature of payment as compensation, not a cash purchase.

What prior KOS share sales are reported in the Form 144 filing?

The Form 144 reports that Ronald Glass previously sold 19,285 common shares on 02/03/2026 for gross proceeds of 26,549.66. This disclosure covers securities of the same issuer sold during the past three months by the same seller.

How many KOS shares are outstanding according to the Form 144?

The Form 144 states that 478,326,954 common shares of the issuer are outstanding. This figure provides context for the size of the proposed 3,313-share sale relative to the company’s total common equity base at the time of the notice.

What representation does the seller make in the KOS Form 144 notice?

By signing the notice, the seller represents they do not know any material adverse information about the issuer’s current or prospective operations that has not been publicly disclosed. This is a standard representation included in the Form 144 language.