SEC Form 4 · accession 0001266824-15-000169

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

Sep 6, 2015

Accepted (ET)

Sep 9, 2015 · 8:05 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^F1	Sep 6, 2015	M	362	$0.00	A	25,528	D
Common Stock^F2	Sep 6, 2015	F	3,486	$80.02	D	22,042	D
Common Stock	Sep 8, 2015	M	1,863	$43.11	A	23,905	D
Common Stock	Sep 8, 2015	S	1,863	$81.73	D	22,042	D
Common Stock	Sep 9, 2015	S	3,196	$83.86	D	18,846	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
Dividend Equivalent Rights^F1	—	Sep 6, 2015	M	362	D	—	—	Common Stock	362	267	D
Employee Stock Option (right to buy)^F4	$43.11	Sep 8, 2015	M	1,863	D	Sep 6, 2013	Sep 6, 2019	Common Stock	1,863	7,452	D

F1The 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 equal to $38.63 was also paid to the holder to settle a fractional dividend equivalent of 0.4828.
F2Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
F3These 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.
F4The 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.