KOS (NYSE: KOS) insider to sell 3,284 shares via Fidelity

Rhea-AI Filing Summary

A holder of KOS common stock has filed to sell 3,284 shares through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $4,669.19. The issuer had 478,326,954 common shares outstanding at the time referenced.

The shares to be sold were acquired on 02/02/2026 via restricted stock vesting from the issuer as compensation. Over the prior three months, Josh Marion sold 19,656 common shares for gross proceeds of $27,060.41, also reported in this notice.

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	3284	4669.19	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			3284	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
Josh Marion 8176 Park Lane Dallas TX 75231	Common	02/03/2026	19656	27060.41

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 an intended sale of 3,284 KOS common shares through Fidelity on the NYSE. It also notes recent sales of 19,656 common shares by Josh Marion, including related dates, proceeds, and acquisition details from restricted stock vesting.

How many KOS shares are planned to be sold under this Form 144?

The filing covers a planned sale of 3,284 KOS common shares. These shares have an aggregate market value of $4,669.19 and are to be sold on the NYSE through Fidelity Brokerage Services LLC, according to the disclosure details.

How were the KOS shares in the Form 144 acquired?

The 3,284 KOS common shares were acquired on 02/02/2026 through restricted stock vesting from the issuer as compensation. The filing lists the issuer as the source and identifies the nature of payment as compensation rather than a cash purchase.

What prior KOS share sales are reported in the last 3 months?

The filing reports that Josh Marion sold 19,656 KOS common shares on 02/03/2026, generating gross proceeds of $27,060.41. This transaction is disclosed in the section summarizing all issuer securities sold during the past three months.

How many KOS shares were outstanding when the Form 144 was filed?

The filing states that 478,326,954 KOS common shares were outstanding. This figure is provided in the securities information section and serves as a baseline context for the planned 3,284-share sale reported in the notice.

Which broker will handle the KOS share sale disclosed in Form 144?

The intended sale of 3,284 KOS common shares will be handled by Fidelity Brokerage Services LLC. The filing lists Fidelity’s address in Smithfield, Rhode Island, and names the NYSE as the securities exchange for the planned transaction.