0001950047-24-004193.txt : 20240529 0001950047-24-004193.hdr.sgml : 20240529 20240529160919 ACCESSION NUMBER: 0001950047-24-004193 CONFORMED SUBMISSION TYPE: 144 PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20240529 DATE AS OF CHANGE: 20240529 SUBJECT COMPANY: 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: 144 SEC ACT: 1933 Act SEC FILE NUMBER: 001-38273 FILM NUMBER: 24998428 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: Dun Haiping CENTRAL INDEX KEY: 0001721581 ORGANIZATION NAME: 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 0001721581 XXXXXXXX LIVE 0001680062 ACM RESEARCH, INC. 001-38273 42307 Osgood Road, Suite I Fremont CA 94539 (510) 445-3700 HAIPING DUN Director Common Morgan Stanley Smith Barney LLC Executive Financial Services

1 New York Plaza 8th Floor New York NY 10004

19239 435353.56 62008588 05/29/2024 NASDAQ Common 04/14/2024 Exercised Shares Issuer N 19239 04/14/2024 Cash N HAIPING DUN

42307 Osgood Road, Suite I Fremont CA 94539

Common 05/22/2024 15000 343189.50 HAIPING DUN

42307 Osgood Road, Suite I Fremont CA 94539

Common 03/14/2024 19434 538549.18 HAIPING DUN

42307 Osgood Road, Suite I Fremont CA 94539

Common 03/08/2024 15000 455476.50 05/29/2024 05/17/2023 /s/ Haiping Dun