0001140361-20-019471.txt : 20200831 0001140361-20-019471.hdr.sgml : 20200831 20200831173048 ACCESSION NUMBER: 0001140361-20-019471 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20200827 FILED AS OF DATE: 20200831 DATE AS OF CHANGE: 20200831 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wang David H CENTRAL INDEX KEY: 0001721580 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38273 FILM NUMBER: 201152686 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 FORM 4 X0306 4 2020-08-27 0001680062 ACM Research, Inc. ACMR 0001721580 Wang David H C/O ACM RESEARCH, INC. 42307 OSGOOD ROAD, SUITE I FREMONT CA 94539 true true true See remarks Class A Common Stock 2020-08-27 4 M 0 70000 0.75 A 238006 D Class A Common Stock 2020-08-27 4 F 0 547 96.05 D 237459 D Class A Common Stock 33334 I By Jing Chen, wife of David H. Wang Class A Common Stock 15279 I By Sophia Wang, daughter of David H. Wang Class A Common Stock 60000 I By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children Class A Common Stock 206667 I By Wang-Chen Family Living Trust Stock Option 0.75 2020-08-27 4 M 0 70000 0 D 2021-05-01 Class A Common Stock 70000 33334 D On August 27, 2020, the reporting person exercised, by net exercise, a previously issued stock option to purchase 70,000 shares of Class A Common Stock of the Issuer. The reporting person paid the exercise price on a cashless basis, resulting in the Issuer withholding 547 shares of Class A Common Stock for payment of the exercise price, based on the closing price of the Issuer's Class A Common Stock on August 26, 2020 of $96.05, and issuing to the reporting person the remaining 69,453 shares of Class A Common Stock. The option is fully vested and exercisable. Chief Executive Officer, President and Director /s/ Mark L. Johnson, Attorney-in-Fact for David H. Wang 2020-08-31