ROBERT K. EULAU - 03 Sep 2021 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role: EVP & CFO
Signature: By: /s/ Sandra Garcia Attorney-in-Fact For: Robert K. Eulau
Issuer symbol: WDC
Transactions as of: 03 Sep 2021
Net transactions value: -$569,516
Form type: 4
Filing time: 07 Sep 2021, 18:54:26 UTC
Previous filing: 31 Aug 2021
SEC: View on sec.gov

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Ownership	Footnotes
transaction	WDC	Common Stock	Tax liability	$305,883	-4,981	-3.6%	$61.41	134,355	03 Sep 2021	Direct	F1
transaction	WDC	Common Stock	Options Exercise	$0	+234	+0.17%	$0.000000	134,589	04 Sep 2021	Direct	F2
transaction	WDC	Common Stock	Tax liability	$263,633	-4,293	-3.2%	$61.41	130,296	04 Sep 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	-234	-17%	$0.000000	1,156	04 Sep 2021	Common Stock	234		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.