Martin I. Cole - Sep 18, 2025 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role
Director
Signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Martin I. Cole
Stock symbol
WDC
Transactions as of
Sep 18, 2025
Transactions value $
$0
Form type
4
Date filed
9/22/2025, 06:24 PM
Previous filing
Jun 23, 2025
Next filing
Nov 6, 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cole Martin I Director C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE By: /s/ Sandra Garcia Attorney-in-Fact For: Martin I. Cole 2025-09-22 0001302874

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 Award $0 +5.2 +56.41% $0.00 14.4 Sep 18, 2025 Common Stock 5.2 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof.