Jinsong Xiao - Sep 2, 2025 Form 3 Insider Report for Ultra Clean Holdings, Inc. (UCTT)

Role
Chief Executive Officer
Signature
/s/ Paul Y. Cho, as attorney-in-fact for Jinsong Xiao
Stock symbol
UCTT
Transactions as of
Sep 2, 2025
Transactions value $
$0
Form type
3
Date filed
9/16/2025, 09:20 PM
Next filing
Sep 30, 2025
SEC
View on sec.gov

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 2025-09-16 0002086234

No securities are beneficially owned.

Remarks:

Due to an administrative delay, this initial statement of beneficial ownership of securities was not timely filed. No securities are beneficially owned. Exhibit 24 - Power of Attorney