Sean Hunkler - Sep 3, 2021 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role: EVP, Global Operations
Signature: By: /s/ Sandra Garcia Attorney-in-Fact For: Sean Hunkler
Stock symbol: WDC
Transactions as of: Sep 3, 2021
Transactions value $: -$369,074
Form type: 4
Date filed: 9/7/2021, 06:55 PM
Previous filing: Aug 31, 2021
Next filing: Oct 1, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WDC	Common Stock	Tax liability	-$242K	-3.94K	-2.44%	$61.41	158K	Sep 3, 2021	Direct	F1
transaction	WDC	Common Stock	Options Exercise	$0	+112	+0.07%	$0.00	158K	Sep 4, 2021	Direct	F2
transaction	WDC	Common Stock	Tax liability	-$127K	-2.07K	-1.31%	$61.41	156K	Sep 4, 2021	Direct	F1

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	WDC	Dividend Equivalent Rights	Options Exercise	$0	-113	-7.12%	$0.00	1.47K	Sep 4, 2021	Common Stock	113		Direct	F2

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
F2	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.