| 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 | 24 Feb 2026 | 0002057093 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Common Stock | Options Exercise | $0 | +4 | +0% | $0.000000 | 126,868 | 20 Feb 2026 | Direct | F1 |
| transaction | WDC | Common Stock | Tax liability | $124,772 | -437 | -0.34% | $285.52 | 126,431 | 20 Feb 2026 | Direct | F2 |
| transaction | WDC | Common Stock | Options Exercise | $0 | +4 | +0% | $0.000000 | 126,435 | 21 Feb 2026 | Direct | F1 |
| transaction | WDC | Common Stock | Tax liability | $137,906 | -483 | -0.38% | $285.52 | 125,952 | 21 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 | -4 | -1.3% | $0.000000 | 315 | 20 Feb 2026 | Common Stock | 4 | Direct | F1 | |
| transaction | WDC | Dividend Equivalent Rights | Options Exercise | $0 | -5 | -1.5% | $0.000000 | 310 | 21 Feb 2026 | Common Stock | 5 | 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). |