<SEC-DOCUMENT>0001654954-19-011373-index.html : 20191002
<SEC-HEADER>0001654954-19-011373.hdr.sgml : 20191002
<ACCEPTANCE-DATETIME>20191002163542
ACCESSION NUMBER:		0001654954-19-011373
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20190823
FILED AS OF DATE:		20191002
DATE AS OF CHANGE:		20191002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Cheav Sotheara
		CENTRAL INDEX KEY:			0001721279

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38273
		FILM NUMBER:		191132722

	MAIL ADDRESS:	
		STREET 1:		C/O ACM RESEARCH, INC.
		STREET 2:		42307 OSGOOD ROAD, SUITE I
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94539

ISSUER:		

	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

	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>4/A
<SEQUENCE>1
<FILENAME>section16.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
Document 1 - file: section16.html
Document 1 - RAW XML: section16.xml
</DOCUMENT> </SEC-DOCUMENT>