Tan Irving 4

4 · WESTERN DIGITAL CORP · Filed May 27, 2026

AI-generated summary of this filing

Updated May 27, 2026

Western Digital CEO Tan Irving Converts Awards; Shares Withheld for Taxes

What Happened

Tan Irving, Chief Executive Officer of Western Digital (WDC), had dividend-equivalent rights/derivative awards converted into common shares (about 60.33 shares total) in connection with vesting, and 479 shares were withheld/disposed to satisfy tax obligations, valued at approximately $231,970. The conversion entries show a $0.00 exercise price; the 479-share disposition was recorded at $484.28 per share for the tax payment.

Key Details

Transaction date: May 25, 2026; Form 4 filed May 27, 2026 (appears timely — within two business days).
Conversion/exercise entries: 30.00 shares acquired at $0.00 and 30.33 shares (derivative) recorded at $0.00.
Tax withholding/disposition: 479 shares disposed at $484.28 per share = $231,970.
Shares owned after transaction: not specified in the provided summary (see the full Form 4 for total beneficial ownership).
Footnotes:
- F1: Dividend-equivalent rights were converted one-for-one into common stock in connection with RSU vesting; a fractional dividend was paid in cash.
- F2: The 479-share disposition reflects payment of tax withholding by surrender/withholding of shares in accordance with Rule 16b-3(e).

Context

These transactions reflect award vesting and routine tax withholding rather than an open-market purchase or a voluntary sale for investment purposes. The conversion/exercise at $0.00 and the footnotes indicate dividend-equivalent conversion and RSU vesting; the share disposition represents withholding to cover taxes (not necessarily a market sale for investment).

Form 4

Period: 2026-05-25

DirectorChief Executive Officer

Transactions

Exercise/Conversion
Common Stock
[F1]
2026-05-25+30→ 597,483 total
Tax Payment
Common Stock
[F2]
2026-05-25$484.28/sh−479$231,970→ 597,004 total
Exercise/Conversion
Dividend Equivalent Rights
[F1]
2026-05-25−30.33→ 882.273 total
→ Common Stock (30.33 underlying)

Footnotes (2)

[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).

Signature

By: /s/ Sandra Garcia Attorney-in-Fact For: Irving Tan|2026-05-27

1 file