| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Gubbi Vidyadhara K | Chief of Global Operations | C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE | By: /s/ Sandra Garcia Attorney-in-Fact For: Vidyadhara Gubbi | 27 Feb 2026 | 0002057093 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Common Stock | Options Exercise | $0 | +7 | +0.01% | $0.000000 | 125,959 | 25 Feb 2026 | Direct | F1 |
| transaction | WDC | Common Stock | Tax liability | $293,860 | -1,010 | -0.8% | $290.95 | 124,949 | 25 Feb 2026 | Direct | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Dividend Equivalent Rights | Options Exercise | $0 | -8 | -2.5% | $0.000000 | 303 | 25 Feb 2026 | Common Stock | 8 | Direct | F1 |
| Id | Content |
|---|---|
| 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 | Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |