4//SEC Filing
Feng Lisa 4
Accession 0001140361-25-042345
CIK 0001680062other
Filed
Nov 13, 7:00 PM ET
Accepted
Nov 14, 4:30 PM ET
Size
13.4 KB
Accession
0001140361-25-042345
Insider Transaction Report
Form 4
Feng Lisa
See remarks
Transactions
- Exercise/Conversion
Class A Common Stock
2025-11-12$5.60/sh+15,000$84,000→ 65,001 total - Sale
Class A Common Stock
2025-11-12$32.76/sh−15,000$491,400→ 50,001 total - Exercise/Conversion
Class A Common Stock
2025-11-13$5.60/sh+15,000$84,000→ 65,001 total - Sale
Class A Common Stock
2025-11-13$33.77/sh−15,000$506,550→ 50,001 total - Exercise/Conversion
Stock Option
2025-11-12−15,000→ 15,000 totalExercise: $5.60Exp: 2029-04-22→ Class A Common Stock (15,000 underlying) - Exercise/Conversion
Stock Option
2025-11-13−15,000→ 0 totalExercise: $5.60Exp: 2029-04-22→ Class A Common Stock (15,000 underlying)
Footnotes (4)
- [F1]On November 12, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.
- [F2]The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on August 13, 2025.
- [F3]On November 13, 2025, the reporting person exercised a previously issued stock option to purchase 15,000 shares of Class A Common Stock of the Issuer.
- [F4]The option is fully vested and exercisable.
Documents
Issuer
ACM Research, Inc.
CIK 0001680062
Entity typeother
Related Parties
1- filerCIK 0001779777
Filing Metadata
- Form type
- 4
- Filed
- Nov 13, 7:00 PM ET
- Accepted
- Nov 14, 4:30 PM ET
- Size
- 13.4 KB