SEC Form 4 · accession 0001266824-16-000470

WESTERN DIGITAL CORP · WDC

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

Reporting owner

Officer — EVP, Silicon Operations

Period of report

Dec 9, 2016

Accepted (ET)

Dec 13, 2016 · 7:29 pm EST

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
Common Stock^F1	Dec 9, 2016	M	11,949	$36.87	A	100,193	D
Common Stock	Dec 9, 2016	M	11,949	$25.56	A	112,142	D
Common Stock^F2	Dec 9, 2016	S	23,898	$67.9837	D	88,244	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Employee Stock Option (right to buy)^F3	$25.56	Dec 9, 2016	M	11,949	D	May 15, 2016	Feb 14, 2020	Common Stock	11,949	3,983	D
Employee Stock Option (right to buy)^F4	$36.87	Dec 9, 2016	M	11,949	D	May 18, 2016	Feb 17, 2021	Common Stock	11,949	19,916	D

F1Includes 524 shares acquired under the issuer's Employee Stock Purchase Plan on November 30, 2016.
F2Represents the weighted average sale price per share. These shares were sold in multiple transactions at prices ranging from a low of $67.95 to a high of $68.12. 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.
F3The option vests in substantially equal installments at the end of each three-month period through February 15, 2017. The first installment became exercisable on May 15, 2016.
F4The option vests in substantially equal installments at the end of each three-month period through February 18, 2018. The first installment became exercisable on May 18, 2016.