<SEC-DOCUMENT>0001654954-18-004620-index.html : 20180501
<SEC-HEADER>0001654954-18-004620.hdr.sgml : 20180501
<ACCEPTANCE-DATETIME>20180501163557
ACCESSION NUMBER:		0001654954-18-004620
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20180501
DATE AS OF CHANGE:		20180501
EFFECTIVENESS DATE:		20180501

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38273
		FILM NUMBER:		18796041

	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>DEFA14A
<SEQUENCE>1
<FILENAME>acmresearchinc2018noticea.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: acmresearchinc2018noticea.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>acmresearchinc2018noticea000.jpg <DESCRIPTION>IMAGE <TEXT> Document 2 - file: acmresearchinc2018noticea000.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>acmresearchinc2018noticea001.jpg <DESCRIPTION>IMAGE <TEXT> Document 3 - file: acmresearchinc2018noticea001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>acmresearchinc2018noticea002.jpg <DESCRIPTION>IMAGE <TEXT> Document 4 - file: acmresearchinc2018noticea002.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>acmresearchinc2018noticea003.jpg <DESCRIPTION>IMAGE <TEXT> Document 5 - file: acmresearchinc2018noticea003.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>acmresearchinc2018noticea004.jpg <DESCRIPTION>IMAGE <TEXT> Document 6 - file: acmresearchinc2018noticea004.jpg
</DOCUMENT> </SEC-DOCUMENT>