MCK planned sale of vested restricted shares

MCK filing reports proposed sale of Common Stock tied to restricted stock vesting.

Rhea-AI Filing Summary

MCK filing reports proposed sale of Common Stock tied to restricted stock vesting. The notice lists 2,181 shares vesting on 05/21/2026 and 2,748 shares vesting on 05/23/2026, with the broker shown as Fidelity Brokerage Services LLC.

The form is a notification of share disposition under the stock plan following vesting; timing and price of any open‑market sales are not stated in the provided excerpt.

Insights

Corporate Governance Specialist

TL;DR: Rule 144 notice lists two vested restricted stock lots totalling listed share counts.

The excerpt explicitly records restricted stock vesting events of 05/21/2026 and 05/23/2026 for 2,181 and 2,748 shares respectively, and names Fidelity Brokerage Services LLC as the broker. This is a procedural disclosure of intended dispositions under Rule 144.

Cash‑flow treatment and sale prices are not included in the excerpt; subsequent filings or transaction reports would show whether these vested shares were sold and at what prices.

Key Figures

Vested shares (05/21/2026): 2,181 shares Vested shares (05/23/2026): 2,748 shares Broker: Fidelity Brokerage Services LLC

3 metrics

Vested shares (05/21/2026) 2,181 shares Restricted stock vesting on <date>05/21/2026</date>

Vested shares (05/23/2026) 2,748 shares Restricted stock vesting on <date>05/23/2026</date>

Broker Fidelity Brokerage Services LLC Broker listed in filing (address provided)

Key Terms

Restricted Stock Vesting, Rule 144, Fidelity Brokerage Services LLC

3 terms

Restricted Stock Vesting financial

"Restricted Stock Vesting | Issuer | 2,181 | 05/21/2026"

Restricted stock vesting is the timetable and conditions under which shares granted to employees or insiders become fully owned and can be sold, typically requiring continued work or meeting performance goals. It matters to investors because large blocks of shares can become tradable at once, which can change share supply and price, and because vesting aligns insiders’ incentives with the company’s long‑term performance—think of it like a timed unlock that both rewards and locks in key people.

Rule 144 regulatory

"Form type 144 and 'Securities To Be Sold' vesting entries"

Rule 144 is a U.S. securities regulation that sets conditions under which restricted or insider-held shares can be legally resold to the public, such as required holding periods, availability of public information, limits on how much can be sold at once, and certain filing requirements. For investors it matters because it determines when previously locked-up shares can enter the market — like a release valve that can increase supply, affect share price, and signal insider intent.

Fidelity Brokerage Services LLC other

"Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the MCK Form 144 notice disclose?

The notice discloses proposed dispositions of vested restricted Common Stock: 2,181 shares vesting on 05/21/2026 and 2,748 shares vesting on 05/23/2026. The broker is listed as Fidelity Brokerage Services LLC.

Does the Form 144 show sale prices for the MCK shares?

No. The excerpt lists vesting dates and share counts but does not include any sale prices or proceeds. It simply notifies potential Rule 144 dispositions without pricing details.

Who is the broker handling the MCK shares in this filing?

The broker identified in the excerpt is Fidelity Brokerage Services LLC, with an address shown as 900 Salem Street, Smithfield, RI. The filing lists the broker but not execution details.

Are the listed shares already sold according to this MCK filing?

The filing records vesting events and intended dispositions under Rule 144; it does not confirm completed sales. Completion and pricing would appear in later transaction reports if executed.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 06/09/2026 - 10:03 AM EDT Learn about SEC filing dates

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	0001382297
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MCKESSON CORP
SEC File Number	001-13252
Address of Issuer	6555 STATE HIGHWAY 161 IRVING TEXAS 75039
Phone	972-446-4800
Name of Person for Whose Account the Securities are To Be Sold	TYLER BRIAN S.
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	Officer
Relationship to Issuer	Director

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	4929	3760827.00	120204051	06/09/2026	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	05/21/2026	Restricted Stock Vesting	Issuer			2181	05/21/2026	Compensation
Common	05/23/2026	Restricted Stock Vesting	Issuer			2748	05/23/2026	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	06/09/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	12/15/2025
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	/s/ Daniel Tucci, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Brian Tyler
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)