Planned sale of 24,690 KOS common shares and prior 54,434-share trade

Rhea-AI Filing Summary

A shareholder has filed notice of intent to sell 24,690 shares of common stock through Fidelity Brokerage Services on the NYSE around 02/04/2026. These shares were acquired on 02/02/2026 via restricted stock vesting as compensation from the issuer.

The filing notes that there were 478,326,954 common shares outstanding when the notice was prepared; this is a baseline figure, not the amount being sold. It also reports that Nealesh Shah sold 54,434 common shares on 02/03/2026 for gross proceeds of 74,939.29.

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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	24690	35104.24	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			24690	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
Nealesh Shah 8176 Park Lane Dallas TX 75231	Common	02/03/2026	54434	74939.29

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 this Form 144 filing indicate for KOS shareholders?

The filing shows a shareholder plans to sell 24,690 common shares on the NYSE. These shares came from restricted stock vesting as compensation on 02/02/2026. It is a disclosure of a potential sale, not a completed transaction.

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

The notice covers a proposed sale of 24,690 shares of common stock. The sale is expected to occur around 02/04/2026 through Fidelity Brokerage Services on the NYSE, subject to market conditions and the shareholder’s execution.

How were the KOS shares in this Form 144 acquired?

The 24,690 common shares were acquired on 02/02/2026 through restricted stock vesting from the issuer as compensation. This means they represent an equity award becoming fully owned rather than a cash purchase in the market.

What prior KOS share sales are disclosed in the past 3 months?

The filing reports that Nealesh Shah sold 54,434 common shares on 02/03/2026, generating gross proceeds of 74,939.29. This historical sale information is required to be aggregated with the planned sale for Rule 144 limits.

How many KOS shares were outstanding when this Form 144 was prepared?

The document states there were 478,326,954 common shares outstanding at the time of the notice. This figure provides scale for the issuer’s equity base but is separate from, and far larger than, the 24,690 shares covered by this filing.

Which broker is handling the planned KOS share sale under this Form 144?

The planned sale of 24,690 common shares is designated to be executed through Fidelity Brokerage Services LLC, located in Smithfield, Rhode Island. The filing also lists the NYSE as the securities exchange where the transaction is expected to occur.