0001950047-23-004918.txt : 20231113 0001950047-23-004918.hdr.sgml : 20231113 20231113162701 ACCESSION NUMBER: 0001950047-23-004918 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20231113 DATE AS OF CHANGE: 20231113 SUBJECT COMPANY: 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: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38273 FILM NUMBER: 231399211 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 REPORTING-OWNER: COMPANY DATA: COMPANY CONFORMED NAME: Cheav Sotheara CENTRAL INDEX KEY: 0001721279 FILING VALUES: FORM TYPE: 144 MAIL ADDRESS: STREET 1: C/O ACM RESEARCH, INC. STREET 2: 42307 OSGOOD ROAD, SUITE I CITY: FREMONT STATE: CA ZIP: 94539 144 1 primary_doc.xml 144 0001721279 XXXXXXXX LIVE 0001680062 ACM RESEARCH, INC. 001-38273 42307 Osgood Road, Suite I Fremont CA 94539 (510) 445-3700 SOTHEARA CHEAV Officer Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 38th Floor New York NY 10004

26000 436552.70 60607795 11/13/2023 NASDAQ COMMON 11/13/2023 Stock Option Exercise ISSUER N 26000 11/13/2023 Cash Y 11/13/2023 08/11/2023 /s/ Sotheara Cheav