Form 4 for WDC Western Digital
Accepted 2026-01-21 00:00:00 ET · period of report 2026-01-20 · accession 0001266824-26-000002 · 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 | 2026-01-21 | 2026-01-20 | WDC | Tregillis Cynthia L | CLO, Corp Sec | F - Tax | $222.97 | -842 | 143.8K | -0.6% | -$187.7K |
| D | 2026-01-21 | 2026-01-21 | WDC | Tregillis Cynthia L | CLO, Corp Sec | S - Sale+OE | $229.00 | -447 | 143.3K | -0.3% | -$102.4K |
| D | 2026-01-21 | 2026-01-20 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | +11 | 144.6K | +0.0% | $0 |
| D | 2026-01-21 | 2026-01-20 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | -11.13 | 347.46 | -3% | $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 | 2026-01-20 | F | D | 842 | $222.97 | 143,765 | 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 | 2026-01-21 | S | D | 447 | $229.00 | 143,318 | D | — | — | |
| 3 | Common | Common Stock | 2026-01-20 | M | A | 11 | $0.00 | 144,607 | 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 | Derivative | Dividend Equivalent Rights | 2026-01-20 | M | D | 11.13 | $0.00 | 347.46 | D | — · — to — | 11.13 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. |