Form 4 for WDC Western Digital
Accepted 2025-08-25 00:00:00 ET · period of report 2025-08-21 · accession 0001266824-25-000156 · 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 | Zamiska Gene M. | SVP, Gbl Accounting, Chief | M - OptEx | $0.00 | +6 | 36.5K | +0.0% | $0 |
| DM | 2025-08-25 | 2025-08-21+ | WDC | Zamiska Gene M. | SVP, Gbl Accounting, Chief | S - Sale+OE | $75.35 | -4,988 | 29.7K | -14% | -$375.8K |
| D | 2025-08-25 | 2025-08-21 | WDC | Zamiska Gene M. | SVP, Gbl Accounting, Chief | F - Tax | $74.66 | -1,797 | 34.7K | -5% | -$134.2K |
| D | 2025-08-25 | 2025-08-21 | WDC | Zamiska Gene M. | SVP, Gbl Accounting, Chief | M - OptEx | $0.00 | -6.11 | 50.26 | -11% | $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 | 2025-08-21 | M | A | 6 | $0.00 | 36,517 | 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 | 2025-08-21 | S | D | 3,160 | $75.68 | 31,560 | D | — | — | |
| 3 | Common | Common Stock | 2025-08-22 | S | D | 1,828 | $74.78 | 29,732 | D | — | — | |
| 4 | Common | Common Stock | 2025-08-21 | F | D | 1,797 | $74.66 | 34,720 | 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 | 2025-08-21 | M | D | 6.11 | $0.00 | 50.26 | D | — · — to — | 6.11 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. |