Form 4 for WDC Western Digital
Accepted 2026-08-27 20:05:38 ET · period of report 2026-08-25 · accession 0001266824-26-000187 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DM | 2026-08-27 20:05 | 2026-08-25+ | WDC | Tan Irving | CEO, Dir | M - OptEx | $0.00 | +74 | 382.5K | +0.0% | $0 |
| DM | 2026-08-27 20:05 | 2026-08-25+ | WDC | Tan Irving | CEO, Dir | F - Tax | $466.60 | -3,790 | 379.1K | -1.0% | -$1.77M |
| D | 2026-08-27 20:05 | 2026-08-25 | WDC | Tan Irving | CEO, Dir | A - Grant | $0.00 | +16.5K | 382.4K | +5% | $0 |
| DM | 2026-08-27 20:05 | 2026-08-25+ | WDC | Tan Irving | CEO, Dir | M - OptEx | $0.00 | -74.45 | 773.94 | -9% | $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 | 2026-08-25 | M | A | 32 | $0.00 | 366,347 | 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. (F2) Since the date of the Reporting Person's last Form 4, the Reporting Person transferred 209,000 shares of the Issuer's common stock to the Reporting Person's personal investment company, organized under the laws of the Bahamas, of which the Reporting Person is the sole shareholder. The transfer constituted a change in form of beneficial ownership exempt from Section 16 pursuant to Rule 16a-13 under the Securities Exchange Act of 1934, as amended. |
| 2 | Common | Common Stock | 2026-08-25 | F | D | 476 | $450.75 | 365,871 | D | — | — | (F3) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
| 3 | Common | Common Stock | 2026-08-25 | A | A | 16,548 | $0.00 | 382,419 | D | — | — | (F4) Represents the grant of restricted stock units to the Reporting Person. Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock. |
| 4 | Common | Common Stock | 2026-08-26 | M | A | 42 | $0.00 | 382,461 | 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. |
| 5 | Common | Common Stock | 2026-08-26 | F | D | 3,314 | $468.88 | 379,147 | D | — | — | (F3) Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |
| 6 | Derivative | Dividend Equivalent Rights | 2026-08-25 | M | D | 32.03 | $0.00 | 816.35 | D | — · — to — | 32.03 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. |
| 7 | Derivative | Dividend Equivalent Rights | 2026-08-26 | M | D | 42.42 | $0.00 | 773.94 | D | — · — to — | 42.42 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. |