<SEC-DOCUMENT>0000950103-24-004079-index.html : 20240320
<SEC-HEADER>0000950103-24-004079.hdr.sgml : 20240320
<ACCEPTANCE-DATETIME>20240320171935
ACCESSION NUMBER:		0000950103-24-004079
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20240320
DATE AS OF CHANGE:		20240320
EFFECTIVENESS DATE:		20240320

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ultra Clean Holdings, Inc.
		CENTRAL INDEX KEY:			0001275014
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				611430858
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1230

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-278114
		FILM NUMBER:		24768630

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>dp208624_s8.htm
<DESCRIPTION>FORM S-8
<TEXT>
Document 1 - file: dp208624_s8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>dp208624_ex0501-2302.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: dp208624_ex0501-2302.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>dp208624_ex2301.htm
<DESCRIPTION>EXHIBIT 23.1 & 23.2
<TEXT>
Document 3 - file: dp208624_ex2301.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-FILING FEES
<SEQUENCE>4
<FILENAME>dp208624_exfilingfees.htm
<DESCRIPTION>EXHIBIT 107
<TEXT>
Document 4 - file: dp208624_exfilingfees.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image_001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: image_001.jpg

</DOCUMENT>
</SEC-DOCUMENT>