Christopher S. Cook - 29 Aug 2025 Form 4 Insider Report for Ultra Clean Holdings, Inc. (UCTT)

Signature
/s/ Paul Y. Cho, as attorney-in-fact for Christopher S. Cook
Issuer symbol
UCTT
Transactions as of
29 Aug 2025
Net transactions value
$0
Form type
4
Filing time
03 Sep 2025, 20:28:16 UTC
Previous filing
02 May 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Cook Christopher S President, Products Division ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVENUE, HAYWARD /s/ Paul Y. Cho, as attorney-in-fact for Christopher S. Cook 03 Sep 2025 0001927266

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction UCTI Common Stock Award $0 +73,686 +131% $0.000000 130,015 29 Aug 2025 Direct F1
holding UCTI Common Stock 4,100 29 Aug 2025 by Trust
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Restricted stock units vest over 3 years with equal parts vesting on each anniversary of the vesting commencement date of August 29, 2025.