Planned $282,817 Rule 144 stock sale in Issuer (NYSE: MCK)

Rhea-AI Filing Summary

A holder of MCK common stock has filed a Rule 144 notice to sell 303 shares. The shares are to be sold through Fidelity Brokerage Services on the NYSE, with an aggregate market value of $282,817.17 and 122,487,456 common shares outstanding.

The 303 shares were acquired on 02/09/2026 through restricted stock vesting from the issuer as compensation, with payment also dated 02/09/2026. The approximate sale date indicated is 02/11/2026, and the filer has certified they are not aware of undisclosed material adverse information about the issuer.

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	303	282817.17	122487456	02/11/2026	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	02/09/2026	Restricted Stock Vesting	Issuer			303	02/09/2026	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

Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1

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 MCK disclose about planned share sales?

The filing shows a holder plans to sell 303 MCK common shares under Rule 144. The planned sale, via Fidelity Brokerage Services on the NYSE, has an aggregate market value of $282,817.17 based on the figures disclosed in the document.

How many MCK shares are involved in this Rule 144 sale and what is their value?

The notice covers 303 common shares of MCK with an aggregate market value of $282,817.17. These shares are to be sold through Fidelity Brokerage Services on the NYSE, according to the Rule 144 disclosure details.

How and when were the MCK shares in this Form 144 acquired?

The 303 MCK common shares were acquired on 02/09/2026 through restricted stock vesting from the issuer. The filing identifies the nature of payment as compensation, with the payment date also recorded as 02/09/2026.

When is the approximate sale date for the MCK shares under this Form 144?

The holder indicates an approximate sale date of 02/11/2026 for the 303 MCK common shares. The shares are expected to be sold on the NYSE through Fidelity Brokerage Services, as specified in the securities information table.

How many MCK common shares are outstanding according to this Form 144?

The filing states that 122,487,456 MCK common shares are outstanding. This figure provides context for the planned sale of 303 shares under Rule 144, showing the transaction’s relative size against the total share count disclosed.

What representation does the seller make in the MCK Rule 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, consistent with the standard attestation language included in the form.