<SEC-DOCUMENT>0001266824-18-000146.txt : 20180806
<SEC-HEADER>0001266824-18-000146.hdr.sgml : 20180806
<ACCEPTANCE-DATETIME>20180806213313
ACCESSION NUMBER:		0001266824-18-000146
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180802
FILED AS OF DATE:		20180806
DATE AS OF CHANGE:		20180806

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			RAY MICHAEL CHARLES
		CENTRAL INDEX KEY:			0001593199

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08703
		FILM NUMBER:		18996145

	MAIL ADDRESS:	
		STREET 1:		C/O WESTERN DIGITAL CORPORATION
		STREET 2:		5601 GREAT OAKS PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95119

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			WESTERN DIGITAL CORP
		CENTRAL INDEX KEY:			0000106040
		STANDARD INDUSTRIAL CLASSIFICATION:	COMPUTER STORAGE DEVICES [3572]
		IRS NUMBER:				330956711
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0628

	BUSINESS ADDRESS:	
		STREET 1:		5601 GREAT OAKS PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95119
		BUSINESS PHONE:		9496727000

	MAIL ADDRESS:	
		STREET 1:		3355 MICHELSON DRIVE SUITE 100
		CITY:			IRVINE
		STATE:			CA
		ZIP:			92612

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL DIGITAL CORP
		DATE OF NAME CHANGE:	19730125
</SEC-HEADER>
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    <footnotes>
        <footnote id="F1">The dividend equivalents were converted into, and paid in the form of, shares of the Issuer's common stock on a one-for-one basis in connection with the vesting of restricted stock units to which the dividend equivalents relate.  A cash amount was also paid to the holder to settle a fractional dividend equivalent.</footnote>
        <footnote id="F2">Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).</footnote>
        <footnote id="F3">These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on October 30, 2017.</footnote>
        <footnote id="F4">The option vested 25% one year from the grant date of 8/3/2016, and an additional 6.25% vested at the end of each three-month period through 8/3/2018.  The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/3/2020.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: /s/ Sandra Garcia For: Michael Ray</signatureName>
        <signatureDate>2018-08-06</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
