[144] McKesson Corporation SEC Filing

Rhea-AI Filing Summary

McKesson Corporation (MCK) has submitted a Form 144 notice covering the proposed sale of 19,371 common shares, valued at approximately $13.72 million, to be executed on or after 11 July 2025 on the NYSE through Fidelity Brokerage Services.

The seller acquired the shares on 21 May 2024 via restricted-stock vesting designated as compensation. Relative to the 125,112,236 shares outstanding, the planned disposal represents roughly 0.02 % of total shares, indicating limited dilution or market-moving potential.

The same filer, listed as Brian S. Tyler, reported a prior sale of 19,370 shares on 6 June 2025 that generated gross proceeds of $13.67 million. Form 144 filings serve as advance notices of intent and do not guarantee execution, nor do they contain operational, earnings, or strategic information about the issuer.

Overall, the filing signals routine insider liquidity and carries minimal direct impact on McKesson’s fundamentals or valuation.

Insights

Financial Analyst

TL;DR: Insider plans to sell 19,371 MCK shares (~$13.7M); fraction of float, low fundamental impact.

The filing discloses a prospective sale equal to 0.02 % of shares outstanding—far below thresholds that typically pressure liquidity or signal strategic shifts. The aggregate value equates to less than one-day average trading volume for MCK, suggesting negligible market disruption. Because the shares stem from compensation-related vesting, the motivation appears routine diversification rather than adverse outlook. With no accompanying operational data, I view the disclosure as neutral for valuation and price targets.

Corporate Governance Specialist

TL;DR: Routine Form 144; standard compliance, no red flags in governance context.

Form 144 ensures transparency when affiliates liquidate restricted stock. The seller has complied with Rule 144 timing and volume limits, and the notice references no undisclosed material information. Prior activity of a similar size last month further supports a pre-planned diversification approach, possibly under a Rule 10b5-1 plan (though the adoption date is not specified). There are no indications of insider pessimism or corporate governance concerns. I classify the impact as neutral.

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

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	19371	13716411.39	125112236	07/11/2025	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	05/21/2024	Restricted Stock Vesting	Issuer			19371	05/21/2024	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
Brian S. Tyler 6555 State Hwy 161 Irving TX 75039	Common	06/06/2025	19370	13673864.10

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 is McKesson's (MCK) latest Form 144 filing?

It is a notice of intent to sell 19,371 common shares on or after 11 July 2025.

How many McKesson shares are proposed for sale and what is their value?

19,371 shares valued at approximately $13.72 million based on the filing.

Who is the seller in the McKesson Form 144 filing?

The filing references Brian S. Tyler as the selling shareholder.

What percentage of McKesson's outstanding shares does the sale represent?

About 0.02 % of the 125.1 million shares outstanding.

Which broker will execute the proposed sale?

The shares are to be sold through Fidelity Brokerage Services LLC.

Were there recent insider sales by the same filer?

Yes, 19,370 shares were sold on 6 June 2025 for $13.67 million.