Kris Sennesael - 20 May 2026 Form 4 Insider Report for WESTERN DIGITAL CORP (WDC)

Reporting relationship: Chief Financial Officer
Issuer ticker: WDC
Reported as of: 20 May 2026
Net transaction value: $0
SEC form: 4
Accepted by SEC: 22 May 2026, 19:23:46 UTC
Prior SEC filing: 05 May 2026
Next SEC filing: 22 Jun 2026
Source filing: View source filing
Reporting owner signature: By: /s/ Sandra Garcia Attorney-in-Fact For: Kris Sennesael

Key filing fact

Kris Sennesael filed Form 4 for WESTERN DIGITAL CORP (WDC) on 22 May 2026.

Key facts

This page summarizes Kris Sennesael's Form 4 filing for WESTERN DIGITAL CORP (WDC).
3 reported transactions and 1 derivative row are listed below.
Accepted by SEC: 22 May 2026, 19:23.

Change

Previous filing in this sequence was filed on 05 May 2026.
Current net transaction value: $0.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0001452383 Primary reporting owner

Sennesael Kris

Relationship: Chief Financial Officer
Address: C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE
Signature: By: /s/ Sandra Garcia Attorney-in-Fact For: Kris Sennesael
Signature date: 22 May 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

WDC transaction

Common Stock

Options Exercise

Transaction value
Shares: +141
Change %: +0.08%
Price: $0.000000^*
Shares after: 188,107
Date: 20 May 2026
Ownership: Direct
Footnotes: F1

WDC transaction

Common Stock

Tax liability

Transaction value
Shares: -18,374
Change %: -9.8%
Price: $459.62^*
Shares after: 169,733
Date: 20 May 2026
Ownership: Direct
Footnotes: F2

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

WDC transaction Derivative

Dividend Equivalent Rights

Options Exercise

Transaction value
Shares: -142
Change %: -25%
Price: $0.000000^*
Shares after: 436
Date: 20 May 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 142
Exercise price
Footnotes: F1

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 2 footnotes

Footnote 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.

Footnote F2

Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).