InsiderTrades

Form 4 for WDC Western Digital

Accepted 2026-02-24 00:00:00 ET · period of report 2026-02-20 · accession 0001266824-26-000020 · 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
DM 2026-02-24 2026-02-20+ WDC Tan Irving CEO, Dir F - Tax $285.52 -657 623.0K -0.1% -$187.6K
DM 2026-02-24 2026-02-20+ WDC Tan Irving CEO, Dir M - OptEx $0.00 +32 623.5K +0.0% $0
DM 2026-02-24 2026-02-20+ WDC Tan Irving CEO, Dir M - OptEx $0.00 -32.29 1,017 -3% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-02-20 F D 134 $285.52 623,463 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 2026-02-20 M A 11 $0.00 623,597 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 Common Common Stock 2026-02-21 M A 21 $0.00 623,484 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 Common Common Stock 2026-02-21 F D 523 $285.52 622,961 D — — (F2) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
5 Derivative Dividend Equivalent Rights 2026-02-21 M D 21.10 $0.00 995.50 D — · — to — 21.10 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.
6 Derivative Dividend Equivalent Rights 2026-02-20 M D 11.19 $0.00 1,016.60 D — · — to — 11.19 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.