John H Hammergren Form 4 MCKESSON / JOHN H HAMMERGREN ownership change

SEC Form 4

FORM 4

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

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

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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Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person^*

HAMMERGREN JOHN H

(Last) (First) (Middle)

ONE POST STREET

(Street)

SAN FRANCISCO CA 94104

(City) (State) (Zip)

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

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

X	Director	10% Owner
X	Officer (give title below)	Other (specify below)
Chairman, President & CEO

3. Date of Earliest Transaction (Month/Day/Year)
09/25/2017

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

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 Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock	09/25/2017		M		100,000(1)	A	$83.51	165,000	D
Common Stock	09/25/2017		S		100,000(1)	D	$154.151	65,000	D
Common Stock	09/26/2017		M		100,000(1)	A	$83.51	165,000	D
Common Stock	09/26/2017		S		100,000(1)	D	$154.8147	65,000	D
Common Stock	09/27/2017		M		1,000(1)	A	$83.51	66,000	D
Common Stock	09/27/2017		S		1,000(1)	D	$155.2973	65,000	D
Common Stock	09/27/2017		M		99,000(1)	A	$87.24	164,000	D
Common Stock	09/27/2017		S		99,000(1)	D	$155.2973	65,000	D
Common Stock								400,256(2)	I	By Trust
Common Stock								4,184.7589	I	By Profit-Sharing Investment Plan

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (Right-to-buy)	$83.51	09/25/2017		M			100,000(1)	(3)	05/24/2018	Common Stock	100,000	$0	101,000	D
Employee Stock Option (Right-to-buy)	$83.51	09/26/2017		M			100,000(1)	(3)	05/24/2018	Common Stock	100,000	$0	1,000	D
Employee Stock Option (Right-to-buy)	$83.51	09/27/2017		M			1,000(1)	(3)	05/24/2018	Common Stock	1,000	$0	0	D
Employee Stock Option (Right-to-buy)	$87.24	09/27/2017		M			99,000(1)	(4)	05/22/2019	Common Stock	99,000	$0	199,000	D

Explanation of Responses:

1. Option exercise and sale in accordance with a previously adopted trading plan pursuant to Exchange Act Rule10b5-1.

2. Represents 305,341 shares held under the Hammergren Family Trust (5,556 Fidelity Family Trust #585 and 299,785 Goldman Sachs Family Trust #750); 11,876 Fidelity GRAT #999; 11,876 Fidelity GRAT #995; 11,875 Fidelity GRAT #994; 11,875 Fidelity GRAT #993; 11,854 Fidelity Grat #319; 11,853 Fidelity GRAT #312; 11,853 Fidelity GRAT #324; 11,853 Fidelity GRAT #315.

3. This stock option was granted 5/24/11 and vested 25% annually commencing on the first anniversary of the grant date.

4. This stock option was granted 5/22/12 and vested 25% annually commencing on the first anniversary of the grant date.

Remarks:

	Donna Spinola, Attorney-in-fact	09/27/2017
	** Signature of Reporting Person	Date
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