SEC Form 4 · accession 0001266824-15-000108

WESTERN DIGITAL CORP · WDC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Sr. VP, Gen Cnsl & Secretary

Period of report

Jun 16, 2015

Accepted (ET)

Jun 17, 2015 · 5:28 pm EDT

Rule 10b5-1 plan

unknown — predates the checkbox

Issuer CIK

0000106040

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F2	Jun 16, 2015	M	1,826	$29.60	A	22,726	D
Common Stock	Jun 16, 2015	M	1,862	$43.11	A	24,588	D
Common Stock	Jun 16, 2015	S	4,021	$91.48	D	20,567	D
Common Stock	holding	—	—		—	8	I	by Trust 401(K)

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (right to buy)^F4	$29.60	Jun 16, 2015	M	1,826	D	Sep 14, 2012	Sep 14, 2018	Common Stock	1,826	1,825	D
Employee Stock Option (right to buy)^F5	$43.11	Jun 16, 2015	M	1,862	D	Sep 6, 2013	Sep 6, 2019	Common Stock	1,862	9,315	D

F1These transactions reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2015.
F2Includes 333 shares acquired under the issuer's Employee Stock Purchase Plan on May 31, 2015.
F3The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on April 30, 2015.
F4The option vested 25% one year from the grant date of 9/14/2011, and an additional 6.25% vested at the end of each three-month period through 6/14/2015. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 9/14/2015.
F5The 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 6/6/2015. 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.