423 filings
Page 6 of 22
CORRESP
ACMR
ACM Research Inc - Ordinary Shares
18 Aug 23
Correspondence with SEC
12:00am
4
Dun Haiping
14 Aug 23
ACM Research / Haiping Dun ownership change
5:31pm
4
Sotheara Cheav
14 Aug 23
ACM Research / Sotheara Cheav ownership change
5:31pm
4
ACMR
ACM Research Inc - Ordinary Shares
14 Aug 23
ACM Research / Lisa Feng ownership change
5:30pm
4
Wang David H
14 Aug 23
ACM Research / David H Wang ownership change
5:30pm
4
McKechnie Mark
14 Aug 23
ACM Research / Mark McKechnie ownership change
5:30pm
4
Liu Tracy
14 Aug 23
ACM Research / Tracy Liu ownership change
5:30pm
4
ACMR
ACM Research Inc - Ordinary Shares
14 Aug 23
ACM Research / Chenming Hu ownership change
5:30pm
4
Xiao Xing
14 Aug 23
ACM Research / Xiao Xing ownership change
5:30pm
8-K
ACMR
ACM Research Inc - Ordinary Shares
7 Aug 23
Results of Operations and Financial Condition
6:01am
UPLOAD
ACMR
ACM Research Inc - Ordinary Shares
4 Aug 23
Letter from SEC
12:00am
8-K
ACMR
ACM Research Inc - Ordinary Shares
31 Jul 23
Entry into a Material Definitive Agreement
5:25pm
8-K
ACMR
ACM Research Inc - Ordinary Shares
27 Jul 23
Changes in Registrant's Certifying Accountant
4:45pm
3/A
Shanghai Pudong Science & Technology Investment Group Co., Ltd.
18 Jul 23
Initial statement of insider ownership (amended)
8:53am
SC 13D/A
Shanghai Science & Technology Venture Capital
18 Jul 23
ACM Research / Shanghai Science & Technology Venture Capital ownership change
8:50am
SC 13G/A
Shanghai Science & Technology Venture Capital
18 Jul 23
ACM Research / Shanghai Science & Technology Venture Capital ownership change
8:49am
4
ACMR
ACM Research Inc - Ordinary Shares
5 Jul 23
ACM Research / Lisa Feng ownership change
6:52pm
8-K
ACMR
ACM Research Inc - Ordinary Shares
5 Jul 23
Other Events
4:32pm
144
Feng Lisa
3 Jul 23
Notice of proposed sale of securities
2:03pm