<SEC-DOCUMENT>0001972362-23-000959-index.html : 20231114
<SEC-HEADER>0001972362-23-000959.hdr.sgml : 20231114
<ACCEPTANCE-DATETIME>20231114154058
ACCESSION NUMBER:		0001972362-23-000959
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20231114
DATE AS OF CHANGE:		20231114

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ultra Clean Holdings, Inc.
		CENTRAL INDEX KEY:			0001275014
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				611430858
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1230

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-50646
		FILM NUMBER:		231405300

	BUSINESS ADDRESS:	
		STREET 1:		26462 CORPORATE AVENUE
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545
		BUSINESS PHONE:		(510) 576-4400

	MAIL ADDRESS:	
		STREET 1:		26462 CORPORATE AVENUE
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ULTRA CLEAN HOLDINGS INC
		DATE OF NAME CHANGE:	20031231

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cook Christopher S
		CENTRAL INDEX KEY:			0001927266

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		ULTRA CLEAN HOLDINGS, INC.
		STREET 2:		26462 CORPORATE AVENUE
		CITY:			HAYWARD
		STATE:			CA
		ZIP:			94545
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
</SEC-DOCUMENT>