Form 4 for WDC Western Digital
Accepted 2026-09-08 20:13:26 ET · period of report 2026-09-03 · accession 0001266824-26-000199 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2026-09-08 20:13 | 2026-09-03 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | +7 | 112.2K | +0.0% | $0 |
| DT | 2026-09-08 20:13 | 2026-09-03 | WDC | Tregillis Cynthia L | CLO, Corp Sec | F - Tax | $441.57 | -700 | 111.5K | -0.6% | -$309.1K |
| DT | 2026-09-08 20:13 | 2026-09-04 | WDC | Tregillis Cynthia L | CLO, Corp Sec | S - Sale+OE | $451.20 | -432 | 111.0K | -0.4% | -$194.9K |
| DT | 2026-09-08 20:13 | 2026-09-03 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | -7.06 | 270.48 | -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 | 2026-09-03 | M | A | 7 | $0.00 | 112,162 | 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 | 2026-09-03 | F | D | 700 | $441.57 | 111,462 | D | — | — | (F2) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
| 3 | Common | Common Stock | 2026-09-04 | S | D | 432 | $451.20 | 111,030 | D | — | — | (F3) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on March 6, 2026. |
| 4 | Derivative | Dividend Equivalent Rights | 2026-09-03 | M | D | 7.06 | $0.00 | 270.48 | D | — · — to — | 7.06 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. |