Brian Scott Davis - 18 Dec 2025 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Role
Chief Sales & Mrktng Officer
Signature
By: /s/ Sandra Garcia Attorney-in-Fact For: Brian Scott Davis
Issuer symbol
WDC
Transactions as of
18 Dec 2025
Net transactions value
-$174,199
Form type
4
Filing time
22 Dec 2025, 16:50:16 UTC
Previous filing
26 Nov 2025
Next filing
19 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Davis Brian Scott Chief Sales & Mrktng Officer C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE By: /s/ Sandra Garcia Attorney-in-Fact For: Brian Scott Davis 22 Dec 2025 0002057091

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction WDC Common Stock Options Exercise $0 +6 +0% $0.000000 132,754 20 Dec 2025 Direct F1
transaction WDC Common Stock Tax liability $174,199 -962 -0.72% $181.08 131,792 20 Dec 2025 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 Award $0 +55 +30% $0.000000 237 18 Dec 2025 Common Stock 55 Direct F3
transaction WDC Dividend Equivalent Rights Options Exercise $0 -6 -2.7% $0.000000 230 20 Dec 2025 Common Stock 6 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).
F3 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.