| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| McKibben Jeffrey L. | Chief Information Officer | ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVE, HAYWARD | /s/ Paul Y. Cho, as attorney-in-fact for Jeffrey L. McKibben | 06 Jun 2025 | 0001878029 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | UCTT | Common Stock | Sale | $131,356 | -6,294 | -22% | $20.87 | 21,996 | 04 Jun 2025 | Direct |