InsiderTrades

Form 4 for WDC Western Digital

Accepted 2025-08-21 00:00:00 ET · period of report 2025-08-20 · accession 0001266824-25-000145 · 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 2025-08-21 2025-08-20 WDC Tregillis Cynthia L CLO, Corp. Sec F - Tax $75.64 -2,565 153.8K -2% -$194.0K
D 2025-08-21 2025-08-20 WDC Tregillis Cynthia L CLO, Corp. Sec M - OptEx $0.00 +10 156.4K +0.0% $0
D 2025-08-21 2025-08-20 WDC Tregillis Cynthia L CLO, Corp. Sec M - OptEx $0.00 -11.01 205.23 -5% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-20 F D 2,565 $75.64 153,828 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 2025-08-20 M A 10 $0.00 156,393 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.
3 Derivative Dividend Equivalent Rights 2025-08-20 M D 11.01 $0.00 205.23 D — · — to — 11.01 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.