SEC FORM 3

SEC FORM 3SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Srinivasan Ramesh (NMN)

(Last)

(First)

(Middle)

6555 NORTH STATE HWY 161

(Street)

IRVING

TEXAS

75039

(City)

(State)

(Zip)

UNITED STATES

(Country)

2. Date of Event Requiring Statement (Month/Day/Year)
08/01/2026

3. Issuer Name and Ticker or Trading Symbol
MCKESSON CORP [ MCK ]

3a. Foreign Trading Symbol

5. If Amendment, Date of Original Filed (Month/Day/Year)

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
	EVP and Chief Strategy Officer

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	11,959	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
1. Title of Derivative Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
Restricted Stock Units (RSUs)	⁽¹⁾	⁽¹⁾	Common Stock	2,486	$0	D
Restricted Stock Units (RSUs)	⁽²⁾	⁽²⁾	Common Stock	145	$0	D
Restricted Stock Units (RSUs)	⁽³⁾	⁽³⁾	Common Stock	557	$0	D
Restricted Stock Units (RSUs)	⁽⁴⁾	⁽⁴⁾	Common Stock	223	$0	D
Restricted Stock Units (RSUs)	⁽⁵⁾	⁽⁵⁾	Common Stock	316	$0	D

Explanation of Responses:

1. These RSUs vested as to 1/4 on 5/3/2026, and will vest 3/4 on 11/3/2028.

2. These RSUs vested as to 1/3 on 5/21/2025 and 1/3 on 5/21/2026, and will vest 1/3 on 5/21/2027.

3. These RSUs will fully vest on 5/20/2028.

4. These RSUs vested as to 1/3 on 5/20/2026, and will vest 1/3 on 5/20/2027 and 1/3 on 5/20/2028.

5. These RSUs will vest 1/3 on 6/1/2027, 1/3 on 6/1/2028 and 1/3 on 6/1/2029.

	/s/ Sarah Ahmad Ali, Attorney-in-fact	08/10/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 3: SEC 1473 (03-26)