SEC Form 4 · accession 0001266824-26-000119

WESTERN DIGITAL CORP · WDC

Statement of changes in beneficial ownership, as filed. Original on EDGAR ↗

Reporting owner

Officer — Chief Sales & Mrktng Officer

Period of report

Jun 3, 2026

Accepted (ET)

Jun 5, 2026 · 6:39 pm EDT

Rule 10b5-1 plan

box not checked

Issuer CIK

0000106040

Table I — non-derivative securities

Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Jun 3, 2026	M	6	$0.00	A	103,438	D
Common Stock^F3	Jun 3, 2026	F	881	$594.11	D	102,557	D

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Dividend Equivalent Rights^F1	—	Jun 3, 2026	M	7	D	—	—	Common Stock	7	186	D

F1The 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.
F2Includes 132 shares acquired under the Issuer's Employee Stock Purchase Plan on May 31, 2026.
F3Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).