Form 4 for WDC Western Digital
Accepted 2026-09-21 18:36:11 ET · period of report 2026-09-17 · accession 0001266824-26-000211 · 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 | 2026-09-21 18:36 | 2026-09-17 | WDC | Shihab Ahmed Mohammed | Chief Product Off | M - OptEx | $0.00 | +56 | 163.8K | +0.0% | $0 |
| D | 2026-09-21 18:36 | 2026-09-17 | WDC | Shihab Ahmed Mohammed | Chief Product Off | F - Tax | $423.87 | -5,150 | 158.6K | -3% | -$2.18M |
| D | 2026-09-21 18:36 | 2026-09-17 | WDC | Shihab Ahmed Mohammed | Chief Product Off | A - Grant | $0.00 | +42.20 | 453.16 | +10% | $0 |
| D | 2026-09-21 18:36 | 2026-09-17 | WDC | Shihab Ahmed Mohammed | Chief Product Off | M - OptEx | $0.00 | -56.52 | 396.63 | -12% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Common Stock | 2026-09-17 | M | A | 56 | $0.00 | 163,758 | 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 | 2026-09-17 | F | D | 5,150 | $423.87 | 158,608 | 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 | 2026-09-17 | A | A | 42.20 | $0.00 | 453.16 | D | — · — to — | 42.20 Common Stock | (F3) The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. (F3) The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. (F3) The dividend equivalent rights accrued on previously awarded restricted stock units (RSUs) which vest proportionately with the RSUs to which they relate. Each dividend equivalent right represents a contingent right to receive one share of the Issuer's common stock or the cash value thereof. |
| 4 | Derivative | Dividend Equivalent Rights | 2026-09-17 | M | D | 56.52 | $0.00 | 396.63 | D | — · — to — | 56.52 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. (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. (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. |