Filing Details

Accession Number:
0001140361-21-012488
Form Type:
4
Zero Holdings:
No
Publication Time:
2021-04-12 17:30:27
Reporting Period:
2021-04-08
Accepted Time:
2021-04-12 17:30:27
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
1721279 Sotheara Cheav 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 Acquisiton 2021-04-08 5,000 $13.85 61,445 No 4 M Direct
Class A Common Stock Disposition 2021-04-08 5,000 $88.66 56,445 No 4 S Direct
Class A Common Stock Disposition 2021-04-09 13,111 $86.64 43,334 No 4 S Direct
Equity Swap Involved Form Type Code Nature of Ownership Explanation
No 4 M Direct
No 4 S Direct
No 4 S Direct
Reported Derivative Transactions
Sec. Name Sec. Type Acquisiton - Disposition Date Amount Price Amount - 2 Price - 2
Class A Common Stock Stock Option Disposition 2021-04-08 5,000 $0.00 5,000 $13.85
Remaning Holdings Exercise Date Expiration Date Equity Swap Involved Transaction Form Type Transaction Code Nature of Ownership
15,000 2028-07-31 No 4 M Direct
Footnotes
  1. On April 8, 2021, the reporting person exercised a previously issued stock option to purchase 5,000 shares of Class A Common Stock of the Issuer.
  2. The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person.
  3. The option vested and became exercisable as to 10,000 shares on August 1, 2019, and the remaining 30,000 shares vest and become exercisable in equal monthly installments over the following 36 months, subject to continued service through each vesting date.