Form 4 for WDC Western Digital
Accepted 2026-05-27 18:41:56 ET · period of report 2026-05-22 · accession 0001266824-26-000107 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2026-05-27 18:41 | 2026-05-22+ | WDC | Tregillis Cynthia L | CLO, Corp Sec | S - Sale+OE | $509.53 | -522 | 117.2K | -0.4% | -$266.0K |
| DT | 2026-05-27 18:41 | 2026-05-25 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | +7 | 118.1K | +0.0% | $0 |
| DT | 2026-05-27 18:41 | 2026-05-25 | WDC | Tregillis Cynthia L | CLO, Corp Sec | F - Tax | $484.28 | -771 | 117.4K | -0.7% | -$373.4K |
| DT | 2026-05-27 18:41 | 2026-05-25 | WDC | Tregillis Cynthia L | CLO, Corp Sec | M - OptEx | $0.00 | -7.36 | 311.05 | -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 | 2026-05-22 | S | D | 308 | $488.61 | 118,135 | D | — | — | (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 23, 2025. |
| 2 | Common | Common Stock | 2026-05-25 | M | A | 7 | $0.00 | 118,142 | D | — | — | (F2) 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 | 2026-05-25 | F | D | 771 | $484.28 | 117,371 | D | — | — | (F3) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
| 4 | Common | Common Stock | 2026-05-27 | S | D | 214 | $539.63 | 117,157 | D | — | — | (F1) The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on May 23, 2025. |
| 5 | Derivative | Dividend Equivalent Rights | 2026-05-25 | M | D | 7.36 | $0.00 | 311.05 | D | — · — to — | 7.36 Common Stock | (F2) 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. (F2) 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. (F2) 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. |