Form 4 for WDC Western Digital
Accepted 2026-07-21 20:56:07 ET · period of report 2026-07-20 · accession 0001266824-26-000160 · 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 | 2026-07-21 20:56 | 2026-07-20 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | +13 | 116.7K | +0.0% | $0 |
| DT | 2026-07-21 20:56 | 2026-07-20 | WDC | Tregillis Cynthia L | CLO, Corp Sec | F - Tax | $487.42 | -1,309 | 115.3K | -1% | -$638.0K |
| DT | 2026-07-21 20:56 | 2026-07-21 | WDC | Tregillis Cynthia L | CLO, Corp Sec | S - Sale+OE | $529.63 | -808 | 114.5K | -0.7% | -$427.9K |
| DT | 2026-07-21 20:56 | 2026-07-20 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | -13.20 | 309.80 | -4% | $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 | 2026-07-20 | M | A | 13 | $0.00 | 116,656 | 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 | 2026-07-20 | F | D | 1,309 | $487.42 | 115,347 | 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 | 2026-07-21 | S | D | 808 | $529.63 | 114,539 | 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 | 2026-07-20 | M | D | 13.20 | $0.00 | 309.80 | D | — · — to — | 13.20 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. |