Filing Details

Accession Number:
0001140361-20-019835
Form Type:
4
Zero Holdings:
No
Publication Time:
2020-09-04 18:35:02
Reporting Period:
2020-09-03
Accepted Time:
2020-09-04 18:35:02
SEC Url:
Form 4 Filing
Issuer
Cik Name Symbol Sector (SIC) IRS No
1680062 Acm Research Inc. ACMR Special Industry Machinery, Nec (3559) 000000000
Insiders
Cik Name Reported Address Insider Title Director Officer Large Shareholder Other
1721580 H David Wang C/O Acm Research, Inc.
42307 Osgood Road, Suite I
Fremont CA 94539
See Remarks No No No No
Reported Non-Derivative Transactions
Sec. Name Acquisiton - Disposition Date Amount Price Remaning Holdings Equity Swap Involved Form Type Code Nature of Ownership Explanation
Class A Common Stock Disposition 2020-09-03 20,000 $84.53 217,459 No 4 S Direct
Class A Common Stock Disposition 2020-09-04 49,453 $80.08 168,006 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 S Direct
No 4 S Direct
Reported Non-Derivative Holdings
Sec. Name Remaning Holdings Nature of Ownership Explanation
Class A Common Stock 33,334 Indirect By Jing Chen, wife of David H. Wang
Class A Common Stock 15,279 Indirect By Sophia Wang, daughter of David H. Wang
Class A Common Stock 60,000 Indirect By David Hui Wang and Jing Chen Family Irrevocable Trust for Wang Children
Class A Common Stock 206,667 Indirect By Wang-Chen Family Living Trust
Footnotes
  1. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.