Edgar Filing: WESTERN DIGITAL CORP

Ownership Submission

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, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person ^*

Â CAMPBELL STEVEN GLENN

2. Date of Event Requiring Statement (Month/Day/Year)
11/03/2015

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

(Last)

(First)

(Middle)

C/O WESTERN DIGITAL CORPORATION,Â 3355 MICHELSON DRIVE SUITE 100

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

_____ Director	_____ 10% Owner
__X__ Officer (give title below)	_____ Other (specify below)
EVP & Chief Technology Officer

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

(Street)

IRVINE,Â CAÂ 92612

6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

(City)

(State)

(Zip)

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	34,646 ⁽¹⁾	D	Â

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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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 of Derivative Security: 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		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Dividend Equivalent Rights	Â ⁽²⁾	Â ⁽²⁾	Common Stock	337.1205	$ ⁽²⁾	D	Â
Employee Stock Option (right to buy)	05/16/2013⁽³⁾	05/16/2019	Common Stock	15,153	$ 38.63	D	Â
Employee Stock Option (right to buy)	09/06/2013⁽⁴⁾	09/06/2019	Common Stock	28,005	$ 43.11	D	Â
Employee Stock Option (right to buy)	08/14/2014⁽⁵⁾	08/14/2020	Common Stock	23,496	$ 68.49	D	Â
Employee Stock Option (right to buy)	09/11/2015⁽⁶⁾	09/11/2021	Common Stock	15,642	$ 100.06	D	Â
Employee Stock Option (right to buy)	08/04/2016⁽⁷⁾	08/04/2022	Common Stock	22,970	$ 84.39	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
CAMPBELL STEVEN GLENN C/O WESTERN DIGITAL CORPORATION 3355 MICHELSON DRIVE SUITE 100 IRVINE,Â CAÂ 92612	Â	Â	Â EVP & Chief Technology Officer	Â

Signatures

/s/ Sandra Garcia Attorney-in-Fact for Steven G. Campbell		11/16/2015
^**Signature of Reporting Person		Date

Explanation of Responses:

*	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).
(1)	Includes 14,008 unvested awards of restricted stock units. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
(2)	The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.
(3)	The option vested 25% one year from the grant date of 5/16/2012, and an additional 6.25% vested at the end of each three-month period through 11/16/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 5/16/2016.
(4)	The option vested 25% one year from the grant date of 9/6/2012, and an additional 6.25% vested at the end of each three-month period through 9/6/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/6/2016.
(5)	The option vested 25% one year from the grant date of 8/14/2013, and an additional 6.25% vested at the end of each three-month period through 11/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/14/2017.
(6)	The option vested 25% one year from the grant date of 9/11/14. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/11/18.
(7)	The option vests 25% on the first anniversary of the grant date of 8/4/15 and 6.25% at the end of each three-month period thereafter.
Â Remarks: ExhibitÂ ListÂ 24:Â Power-of-Attorney

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