<SEC-DOCUMENT>0001193125-17-333017-index.html : 20171103
<SEC-HEADER>0001193125-17-333017.hdr.sgml : 20171103
<ACCEPTANCE-DATETIME>20171103170708
ACCESSION NUMBER:		0001193125-17-333017
CONFORMED SUBMISSION TYPE:	424B4
PUBLIC DOCUMENT COUNT:		9
FILED AS OF DATE:		20171103
DATE AS OF CHANGE:		20171103

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ACM Research, Inc.
		CENTRAL INDEX KEY:			0001680062
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B4
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-220451
		FILM NUMBER:		171177340

	BUSINESS ADDRESS:	
		STREET 1:		42307 OSGOOD ROAD, SUITE I
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
		BUSINESS PHONE:		510-445-3700

	MAIL ADDRESS:	
		STREET 1:		42307 OSGOOD ROAD, SUITE I
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B4
<SEQUENCE>1
<FILENAME>d311227d424b4.htm
<DESCRIPTION>424B4
<TEXT>
Document 1 - file: d311227d424b4.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g311227g32p59.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g311227g32p59.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g311227g35k06.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g311227g35k06.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g311227g43t65.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g311227g43t65.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g311227g55e21.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g311227g55e21.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g311227g64m18.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g311227g64m18.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g311227g68x91.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g311227g68x91.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g311227g77o77.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g311227g77o77.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g311227g92c39.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g311227g92c39.jpg
</DOCUMENT> </SEC-DOCUMENT>