InsiderTrades

Form 4 for WDC Western Digital

Accepted 2025-11-26 00:00:00 ET · period of report 2025-11-25 · accession 0001266824-25-000257 · 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 2025-11-26 2025-11-25 WDC Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +5 148.1K +0.0% $0
D 2025-11-26 2025-11-25 WDC Tregillis Cynthia L CLO, Corp Sec F - Tax $155.41 -770 147.3K -0.5% -$119.7K
D 2025-11-26 2025-11-25 WDC Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 -5.16 276.17 -2% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-11-25 M A 5 $0.00 148,102 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.
2 Common Common Stock 2025-11-25 F D 770 $155.41 147,332 D — — (F2) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
3 Derivative Dividend Equivalent Rights 2025-11-25 M D 5.16 $0.00 276.17 D — · — to — 5.16 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.