WESTERN DIGITAL CORP — Director's Dealing 2018

Mar 14, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: WESTERN DIGITAL CORP (WDC)
CIK: 0000106040
Period of Report: 2018-03-12

Reporting Person: RAY MICHAEL CHARLES (EVP, Chief Legal Officer & Sec)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-03-12	Common Stock	S	5399	$100.0	Disposed	95426	Direct
2018-03-13	Common Stock	M	10767	$84.39	Acquired	106193	Direct
2018-03-13	Common Stock	S	10767	$104.39	Disposed	95426	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-03-13	Employee Stock Option (right to buy)	$84.39	M	10767	Disposed	2022-08-04	Common Stock (10767)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	8.5455	Indirect

Footnotes

F1: 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.

F2: The option vested 25% one year from the grant date of 8/4/15, and an additional 6.25% vested at the end of each three-month period through 2/4/18. The remaining shares subject to the option will vest at 6.25% at the end of each three-month period until fully vested on 8/4/2019.