0001654954-19-004826.txt : 20190425 0001654954-19-004826.hdr.sgml : 20190425 20190425200406 ACCESSION NUMBER: 0001654954-19-004826 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20190423 FILED AS OF DATE: 20190425 DATE AS OF CHANGE: 20190425 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Dun Haiping CENTRAL INDEX KEY: 0001721581 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38273 FILM NUMBER: 19768972 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 section16.xml PRIMARY DOCUMENT X0306 4 2019-04-23 0001680062 ACM Research, Inc. ACMR 0001721581 Dun Haiping C/O ACM RESEARCH, INC. 42307 OSGOOD ROAD, SUITE I FREMONT CA 94539 true Stock Options 16.81 2019-04-23 4 A false 20000 0 A 2029-04-22 Class A Common Stock 20000 20000 D The option will vest and become exercisable as to 5,000 shares on April 23, 2020 and the remaining 15,000 shares will vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date. /s/ Mark L. Johnson, Attorney-in-Fact for Haiping Dun 2019-04-25