| 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 | 10 Mar 2026 | 0002057093 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Common Stock | Sale | $2,174,858 | -8,518 | -7.9% | $255.32 | 99,276 | 06 Mar 2026 | Direct |