InsiderTrades

Form 4 for WDC Western Digital

Accepted 2025-08-28 00:00:00 ET · period of report 2025-08-27 · accession 0001266824-25-000180 · SEC index · Original document

Summary rows

Aggregated the way they appear in lists: one row per insider, transaction code and security table.

X Filed Traded Ticker Insider Title Type Price Qty Owned ΔOwn Value
D 2025-08-28 2025-08-27 WDC Zamiska Gene M. SVP, Princ. Acctg Off F - Tax $80.67 -345 27.8K -1% -$27.8K
D 2025-08-28 2025-08-28 WDC Zamiska Gene M. SVP, Princ. Acctg Off S - Sale+OE $80.90 -353 27.4K -1% -$28.6K
D 2025-08-28 2025-08-27 WDC Zamiska Gene M. SVP, Princ. Acctg Off M - OptEx $0.00 +1 28.1K +0.0% $0
D 2025-08-28 2025-08-27 WDC Zamiska Gene M. SVP, Princ. Acctg Off M - OptEx $0.00 -1.18 46.36 -2% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-27 F D 345 $80.67 27,778 D — — (F2) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
2 Common Common Stock 2025-08-28 S D 353 $80.90 27,425 D — —
3 Common Common Stock 2025-08-27 M A 1 $0.00 28,123 D — — (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.
4 Derivative Dividend Equivalent Rights 2025-08-27 M D 1.18 $0.00 46.36 D — · — to — 1.18 Common Stock (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.