Srinivasan Sivaram - Aug 27, 2021 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role: President, Tech & Strategy
Signature: By: /s/ Sandra Garcia Attorney-in-Fact For: Srinivasan Sivaram
Stock symbol: WDC
Transactions as of: Aug 27, 2021
Transactions value $: -$419,097
Form type: 4
Date filed: 8/31/2021, 07:31 PM
Previous filing: Aug 30, 2021
Next filing: Sep 7, 2021

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WDC	Common Stock	Award	$0	+29.6K	+12.32%	$0.00	270K	Aug 27, 2021	Direct	F1
transaction	WDC	Common Stock	Options Exercise	$0	+1.15K	+0.43%	$0.00	271K	Aug 30, 2021	Direct	F2
transaction	WDC	Common Stock	Tax liability	-$419K	-6.75K	-2.49%	$62.07	265K	Aug 30, 2021	Direct	F3

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	-1.15K	-47.87%	$0.00	1.26K	Aug 30, 2021	Common Stock	1.15K		Direct	F2, F4

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

Explanation of Responses:

Id	Content
F1	Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
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.
F3	Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
F4	Balance reflects the adjustments made in connection with the cancellation of the dividend stock equivalents referenced in a Form 4 filed for the reporting person on August 30, 2021.