0001140361-23-029035.txt : 20230608 0001140361-23-029035.hdr.sgml : 20230608 20230608214919 ACCESSION NUMBER: 0001140361-23-029035 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230606 FILED AS OF DATE: 20230608 DATE AS OF CHANGE: 20230608 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Cheav Sotheara CENTRAL INDEX KEY: 0001721279 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38273 FILM NUMBER: 231003710 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 4 1 form4.xml X0407 4 2023-06-06 0001680062 ACM Research, Inc. ACMR 0001721279 Cheav Sotheara C/O ACM RESEARCH, INC. 42307 OSGOOD ROAD, SUITE I FREMONT CA 94539 true See remarks false Class A Common Stock 2023-06-06 4 M 0 22500 4.62 A 132502 D Class A Common Stock 2023-06-06 4 M 0 16500 5.33 A 149002 D Class A Common Stock 2023-06-06 4 S 0 39000 10 D 110002 D Stock Option 4.62 2022-06-06 4 M 0 22500 0 D 2028-07-31 Class A Common Stock 22500 12500 D Stock Option 5.33 2023-06-06 4 M 0 16500 0 D 2029-08-03 Class A Common Stock 16500 13500 D On June 6, 2023, the reporting person exercised a previously issued stock option to purchase 22,500 shares of Class A Common Stock of the Issuer. On June 6, 2023, the reporting person exercised a previously issued stock option to purchase 16,500 shares of Class A Common Stock of the Issuer. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person. The option is fully vested and exercisable. Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer /s/ Mark McKechnie, Attorney-in-Fact for Sotheara Cheav 2023-06-08