    <SEC-DOCUMENT>0001140361-24-022555-index.html : 20240426
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    <ACCEPTANCE-DATETIME>20240426171301
    ACCESSION NUMBER:		0001140361-24-022555
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20240426
    DATE AS OF CHANGE:		20240426

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ACM Research, Inc.
    		CENTRAL INDEX KEY:			0001680062
    		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
    		ORGANIZATION NAME:           	06 Technology
    		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:		24885206

    	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>
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    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>ny20018109x2_defa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: ny20018109x2_defa14a.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>logo_acm.jpg
    <TEXT>
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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>ny20018109x2_nc01.jpg
    <TEXT>
    Document 3 - file: ny20018109x2_nc01.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>ny20018109x2_nc02.jpg
    <TEXT>
    Document 4 - file: ny20018109x2_nc02.jpg

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    </SEC-DOCUMENT>