Jacqueline DeMaria Form 4 WESTERN DIGITAL / Jacqueline DeMaria 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^*

DeMaria Jacqueline

(Last) (First) (Middle)

C/O WESTERN DIGITAL CORPORATION

5601 GREAT OAKS PARKWAY

(Street)

SAN JOSE CA 95119

(City) (State) (Zip)

2. Issuer Name and Ticker or Trading Symbol
WESTERN DIGITAL CORP [ WDC ]

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

	Director	10% Owner
X	Officer (give title below)	Other (specify below)
EVP & Chief Human Res Officer

3. Date of Earliest Transaction (Month/Day/Year)
05/01/2017

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	05/01/2017		M(1)		7,041	A	$38.63	55,951(2)	D
Common Stock	05/01/2017		M(1)		2,793	A	$29.6	58,744	D
Common Stock	05/01/2017		M(1)		11,576	A	$43.11	70,320	D
Common Stock	05/01/2017		S(1)		16,000	D	$86.771(3)	54,320	D
Common Stock	05/01/2017		S(1)		5,410	D	$87.7753(4)	48,910	D

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)	$29.6	05/01/2017		M(1)			2,793	09/14/2012(5)	09/14/2018	Common Stock	2,793	$0.0	0	D
Employee Stock Option (right to buy)	$38.63	05/01/2017		M(1)			7,041	05/16/2013(5)	05/16/2019	Common Stock	7,041	$0.0	0	D
Employee Stock Option (right to buy)	$43.11	05/01/2017		M(1)			11,576	09/06/2013(5)	09/06/2019	Common Stock	11,576	$0.0	0	D

Explanation of Responses:

1. These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 17, 2017.

2. Includes 1 share acquired under the Issuer's Employee Stock Purchase Plan on November 30, 2016.

3. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $86.22 to a high of $87.19. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

4. Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $87.23 to a high of $88.31. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price.

5. The option vested 25% on the first anniversary of the grant date and 6.25% at the end of each three-month period thereafter.

	By: /s/ Sandra Garcia Attorney-in-Fact For: Jacqueline DeMaria	05/02/2017
	** 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 4 (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).
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