| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Tregillis Cynthia L | CLO and Corp. Sec. | C/O WESTERN DIGITAL CORPORATION, 5601 GREAT OAKS PARKWAY, SAN JOSE | By: /s/ Sandra Garcia Attorney-in-Fact For: Cynthia Tregillis | 22 May 2025 | 0002057088 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WDC | Common Stock | Tax liability | $19,189 | -379 | -0.24% | $50.63 | 158,696 | 20 May 2025 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Payment of tax obligation by withholding securities incident to the vesting of securities in accordance with Rule 16b-3(e). |