| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Oulman Roxanne | Director | C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE | By: /s/ Sandra Garcia Attorney-in-Fact For: Roxanne M. Oulman | 26 Nov 2025 | 0001523073 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Common Stock | Sale | $277,956 | -1,800 | -32% | $154.42 | 3,863 | 25 Nov 2025 | Direct |