Vidyadhara K. Gubbi - 03 Mar 2026 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role
Chief of Global Operations
Signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Vidyadhara Gubbi
Issuer symbol
WDC
Transactions as of
03 Mar 2026
Net transactions value
-$2,743,110
Form type
4
Filing time
05 Mar 2026, 19:54:51 UTC
Previous filing
27 Feb 2026
Next filing
10 Mar 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gubbi Vidyadhara K Chief of Global Operations C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE By: /s/ Sandra Garcia Attorney-in-Fact For: Vidyadhara Gubbi 05 Mar 2026 0002057093

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDC Common Stock Options Exercise +47 +0.04% $0.000000* 124,996 03 Mar 2026 Direct F1
transaction WDC Common Stock Tax liability -7,054 -5.6% $250.61* 117,942 03 Mar 2026 Direct F2
transaction WDC Common Stock Sale $801,432 -2,973 -2.5% $269.57 114,969 04 Mar 2026 Direct
transaction WDC Common Stock Sale $1,941,678 -7,175 -6.2% $270.62 107,794 04 Mar 2026 Direct

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 -48 -16% $0.000000* 255 03 Mar 2026 Common Stock 48 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).