Irving Tan - 25 Feb 2026 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Irving Tan
Issuer symbol
WDC
Transactions as of
25 Feb 2026
Net transactions value
-$123,654
Form type
4
Filing time
27 Feb 2026, 16:57:51 UTC
Previous filing
24 Feb 2026
Next filing
05 Mar 2026

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Tan Irving Chief Executive Officer, Director C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE By: /s/ Sandra Garcia Attorney-in-Fact For: Irving Tan 27 Feb 2026 0001729518

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDC Common Stock Options Exercise $0 +27 +0% $0.000000 622,988 25 Feb 2026 Direct F1
transaction WDC Common Stock Tax liability $123,654 -425 -0.07% $290.95 622,563 25 Feb 2026 Direct F2

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 -27 -2.7% $0.000000 968 25 Feb 2026 Common Stock 27 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 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 equivalent rights relate. A cash amount was also paid to the holder to settle a fractional dividend equivalent right.
F2 Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).