0001140361-24-026365.txt : 20240516 0001140361-24-026365.hdr.sgml : 20240516 20240516090037 ACCESSION NUMBER: 0001140361-24-026365 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20240514 FILED AS OF DATE: 20240516 DATE AS OF CHANGE: 20240516 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Wang David H CENTRAL INDEX KEY: 0001721580 ORGANIZATION NAME: FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38273 FILM NUMBER: 24953738 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] ORGANIZATION NAME: 06 Technology 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 X0508 4 2024-05-14 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 false Class A Common Stock 2024-05-14 4 M 0 180000 0.5 A 684018 D Class A Common Stock 2024-05-14 4 F 0 3910 23.02 D 680108 D Class A Common Stock 100002 I By Jing Chen, wife of David H. Wang Class A Common Stock 45837 I By Sophia Wang, daughter of David H. Wang Class A Common Stock 180000 I By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children Class A Common Stock 620001 I By Wang-Chen Family Living Trust Stock Option 0.5 2024-05-14 4 M 0 180000 0 D 2025-04-30 Class A Common Stock 180000 480000 D On May 14, 2024, the reporting person exercised, by net exercise, a previously issued stock option to purchase 180,000 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 3,910 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 May 13, 2024 of $23.02, and issuing to the reporting person the remaining 176,090 shares of Class A Common Stock. The option is fully vested and exercisable. Chief Executive Officer, President and Director /s/ Mark McKechnie, Attorney-in-Fact for David H. Wang 2024-05-16