0001140361-23-043978.txt : 20230914 0001140361-23-043978.hdr.sgml : 20230914 20230914170023 ACCESSION NUMBER: 0001140361-23-043978 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230912 FILED AS OF DATE: 20230914 DATE AS OF CHANGE: 20230914 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: 231255721 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 2023-09-12 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 true Class A Common Stock 2023-09-12 4 S 0 86427 18.03 D 592707 D Class A Common Stock 2023-09-12 4 S 0 3573 18.72 D 589134 D Class A Common Stock 2023-09-13 4 S 0 85116 17.68 D 504018 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 The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 13, 2023. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.63 to $18.62, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in footnotes (2), (3) and (4) to this Form 4. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $18.64 to $18.79, inclusive. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $17.12 to $18.05, inclusive. Chief Executive Officer, President and Director /s/ Mark McKechnie, Attorney-in-Fact for David H. Wang 2023-09-14