Jinsong Xiao - 26 Sep 2025 Form 4 Insider Report for Ultra Clean Holdings, Inc. (UCTT)

Signature
/s/ Paul Y. Cho, as attorney-in-fact for Jinsong Xiao
Issuer symbol
UCTT
Transactions as of
26 Sep 2025
Net transactions value
$0
Form type
4
Filing time
30 Sep 2025, 21:41:59 UTC
Previous filing
16 Sep 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Xiao Jinsong Chief Executive Officer ULTRA CLEAN HOLDINGS, INC., 26462 CORPORATE AVE., HAYWARD /s/ Paul Y. Cho, as attorney-in-fact for Jinsong Xiao 30 Sep 2025 0002086234

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction UCTT Common Stock Award $0 +117,948 $0.000000 117,948 26 Sep 2025 Direct F1
* 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 September 26, 2025.