Cynthia Tregillis - 02 Dec 2025 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role
Chief Legal Officer & Corp Sec
Signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Cynthia Tregillis
Issuer symbol
WDC
Transactions as of
02 Dec 2025
Transactions value $
-$449,752
Form type
4
Filing time
03 Dec 2025, 18:13:33 UTC
Previous filing
26 Nov 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tregillis Cynthia L Chief Legal Officer & Corp Sec C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE By: /s/ Sandra Garcia Attorney-in-Fact For: Cynthia Tregillis 03 Dec 2025 0002057088

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDC Common Stock Sale -$450K -2.8K -1.9% $160.57 145K 02 Dec 2025 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Includes 65 shares acquired under the Issuer's Employee Stock Purchase Plan on November 30, 2025.