Tan Irving 4

What Happened

• Tan Irving, CEO of Western Digital (WDC), received shares through the conversion/exercise of derivative awards related to vested restricted stock units and dividend-equivalent rights on May 20–21, 2026. To satisfy tax withholding on the vesting, 145 shares were withheld on 2026-05-20 at $459.62/share ($66,645) and 587 shares were withheld on 2026-05-21 at $486.46/share ($285,552), for a total of 732 shares withheld and approximately $352,197 in value. The filing shows conversion/exercise entries (code M) and withholding/disposition entries (code F).

Key Details

• Transaction dates and prices:
  • 2026-05-20: conversion/exercise (M); 145 shares withheld (F) at $459.62 → $66,645
  • 2026-05-21: conversion/exercise (M); 587 shares withheld (F) at $486.46 → $285,552
• Total shares withheld to cover taxes: 732 shares; total value ≈ $352,197.
• The filing includes small derivative conversion entries related to dividend-equivalent rights and RSU vesting on both dates.
• Footnotes:
  • F1: Dividend-equivalent rights were converted into shares one-for-one in connection with RSU vesting; fractional dividend equivalent settled in cash.
  • F2: Shares were withheld to pay the tax obligation incident to vesting in accordance with Rule 16b-3(e).
• Shares owned after the transaction are not specified in the supplied filing excerpt.
• Filing date: 2026-05-22 (covers transactions dated 2026-05-20 and 2026-05-21); the filing appears to be timely.

Context

• This was not an open-market sale or purchase by the CEO. The activity reflects vesting/conversion of awards and routine tax-withholding by the company (common when restricted stock units vest). Such withholding is administrative and does not necessarily signal a change in the insider’s market view.