0001140361-23-053443.txt : 20231115 0001140361-23-053443.hdr.sgml : 20231115 20231115161522 ACCESSION NUMBER: 0001140361-23-053443 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20231113 FILED AS OF DATE: 20231115 DATE AS OF CHANGE: 20231115 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: 231410759 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 X0508 4 2023-11-13 0001680062 ACM Research, Inc. ACMR 0001721279 Cheav Sotheara C/O ACM RESEARCH, INC. 42307 OSGOOD ROAD, SUITE I FREMONT CA 94539 true See remarks true Class A Common Stock 2023-11-13 4 M 0 13500 5.33 A 123502 D Class A Common Stock 2023-11-13 4 M 0 12500 4.62 A 136002 D Class A Common Stock 2023-11-13 4 S 0 26000 16.79 D 110002 D Stock Option 5.33 2023-11-13 4 M 0 13500 0 D 2029-08-03 Class A Common Stock 13500 0 D Stock Option 4.62 2023-11-13 4 M 0 12500 0 D 2028-07-31 Class A Common Stock 12500 0 D On November 13, 2023, the reporting person exercised a previously issued stock option to purchase 13,500 shares of Class A Common Stock of the Issuer. On November 13, 2023, the reporting person exercised a previously issued stock option to purchase 12,500 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 on August 11, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $16.52 to $17.07, inclusive. 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 2023-11-15