InsiderTrades

Form 4 for WDC Western Digital

Accepted 2025-08-25 00:00:00 ET · period of report 2025-08-21 · accession 0001266824-25-000155 · 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 2025-08-25 2025-08-21 WDC Tregillis Cynthia L CLO, Corp Sec F - Tax $74.66 -4,428 149.4K -3% -$330.6K
D 2025-08-25 2025-08-22 WDC Tregillis Cynthia L CLO, Corp Sec S - Sale+OE $74.78 -14.1K 135.4K -9% -$1.05M
D 2025-08-25 2025-08-21 WDC Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 +18 153.8K +0.0% $0
D 2025-08-25 2025-08-21 WDC Tregillis Cynthia L CLO, Corp Sec M - OptEx $0.00 -18.99 186.25 -9% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2025-08-21 F D 4,428 $74.66 149,418 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 2025-08-22 S D 14,067 $74.78 135,351 D — —
3 Common Common Stock 2025-08-21 M A 18 $0.00 153,846 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 2025-08-21 M D 18.99 $0.00 186.25 D — · — to — 18.99 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.