KOS (KOS) insider plans NYSE sale of 19,285 vested shares

Rhea-AI Filing Summary

KOS has a Form 144 notice covering the planned sale of 19,285 shares of its common stock. These shares have an aggregate market value of $26,549.66 and are expected to be sold on or around February 3, 2026 on the NYSE through Fidelity Brokerage Services LLC.

The 19,285 shares were acquired on February 2, 2026 via restricted stock vesting from the issuer as compensation. The filing notes that 478,326,954 shares of this class were outstanding, providing context for the size of the planned sale.

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	19285	26549.66	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			19285	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 KOS Form 144 filing disclose about planned share sales?

The Form 144 for KOS discloses a planned sale of 19,285 common shares. These shares have an aggregate market value of $26,549.66 and are intended to be sold on the NYSE through Fidelity Brokerage Services LLC.

How many KOS shares are covered by this Form 144 and what is their value?

The notice covers 19,285 KOS common shares with an aggregate market value of $26,549.66. The filing also notes there were 478,326,954 shares of this class outstanding, giving scale to the planned sale amount.

When were the KOS shares acquired and how were they obtained?

The 19,285 KOS common shares were acquired on February 2, 2026 through a restricted stock vesting transaction. The issuer granted these shares as compensation, and they are now the subject of the planned Form 144 sale.

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

The filing states the KOS common shares are expected to be sold on the NYSE. The broker handling the transaction is Fidelity Brokerage Services LLC, located at 900 Salem Street, Smithfield, Rhode Island, as listed in the securities information table.

What is the approximate date of sale for the KOS Form 144 shares?

The Form 144 lists an approximate sale date of February 3, 2026 for the 19,285 KOS common shares. This date reflects when the seller expects to begin selling the shares on the NYSE through Fidelity Brokerage Services LLC.

How many KOS common shares were outstanding relative to this Form 144 sale?

The document notes that 478,326,954 KOS common shares were outstanding. This figure provides context for the 19,285 shares covered by the Form 144, indicating the planned sale is small relative to total shares outstanding.