Form 4 for WDC Western Digital
Accepted 2026-02-27 00:00:00 ET · period of report 2026-02-25 · accession 0001266824-26-000029 · 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 | 2026-02-27 | 2026-02-25 | WDC | Tregillis Cynthia L | CLO, Corp Sec | F - Tax | $290.95 | -770 | 134.0K | -0.6% | -$224.0K |
| D | 2026-02-27 | 2026-02-25 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | +6 | 134.8K | +0.0% | $0 |
| D | 2026-02-27 | 2026-02-26 | WDC | Tregillis Cynthia L | CLO, Corp Sec | S - Sale+OE | $286.11 | -214 | 133.8K | -0.2% | -$61.2K |
| D | 2026-02-27 | 2026-02-25 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | -6.56 | 328.23 | -2% | $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 | 2026-02-25 | F | D | 770 | $290.95 | 133,995 | 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 | 2026-02-25 | M | A | 6 | $0.00 | 134,765 | 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 | 2026-02-26 | S | D | 214 | $286.11 | 133,781 | D | — | — | |
| 4 | Derivative | Dividend Equivalent Rights | 2026-02-25 | M | D | 6.56 | $0.00 | 328.23 | D | — · — to — | 6.56 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. |