InsiderTrades

Form 4 for WDC Western Digital

Accepted 2026-08-27 20:05:19 ET · period of report 2026-08-25 · accession 0001266824-26-000185 · 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 2026-08-27 20:05 2026-08-25 WDC Sennesael Kris CFO A - Grant $0.00 +8,274 178.0K +5% $0
D 2026-08-27 20:05 2026-08-26 WDC Sennesael Kris CFO M - OptEx $0.00 +19 178.0K +0.0% $0
D 2026-08-27 20:05 2026-08-26 WDC Sennesael Kris CFO F - Tax $468.88 -4,317 173.7K -2% -$2.02M
D 2026-08-27 20:05 2026-08-26 WDC Sennesael Kris CFO M - OptEx $0.00 -19.88 444.32 -4% $0

Purchase Sale Sale after option exercise All abbreviations

Every reported transaction

#TableSecurityDateCodeA/DSharesPriceOwned afterOwnExercise / expiryUnderlyingFootnotes
1 Common Common Stock 2026-08-25 A A 8,274 $0.00 178,007 D — — (F1) Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock.
2 Common Common Stock 2026-08-26 M A 19 $0.00 178,026 D — — (F2) 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 2026-08-26 F D 4,317 $468.88 173,709 D — — (F3) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e).
4 Derivative Dividend Equivalent Rights 2026-08-26 M D 19.88 $0.00 444.32 D — · — to — 19.88 Common Stock (F2) 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. (F2) 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. (F2) 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.