Feng Lisa's Form 4 filing
ACM Research, Inc. (ACMR) · filed Nov 14, 2025
- Accession no.
- 0001140361-25-042345
- Filed
- Nov 14, 2025
- Trade date
- Nov 12-13, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 4 non-derivative transactions and 2 derivative transactions. Open-market sales total $998.0K. It was filed 2 days after the trade.
Reporting owners
A Form 4 can have several reporting owners, such as a person and a fund they control. Trade tables show the first one.
| Owner | Relationship to the company |
|---|---|
| Feng LisaCIK 0001779777 | Officer (See remarks) |
Non-derivative securities (Table I)
Acquisitions and disposals of common stock and similar shares, one row per line on the filing.
| Trade date | Security | Transaction | Shares | Price | Value | Shares after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 12, 2025 | Class A Common Stock | MOption exerciseAcquired | +15,000 | $5.60 | +$84,000 | 65,001 | Direct | |
| Nov 12, 2025 | Class A Common Stock | SSaleDisposed | −15,000 | $32.76 | −$491,400 | 50,001 | Direct | |
| Nov 13, 2025 | Class A Common Stock | MOption exerciseAcquired | +15,000 | $5.60 | +$84,000 | 65,001 | Direct | |
| Nov 13, 2025 | Class A Common Stock | SSaleDisposed | −15,000 | $33.77 | −$506,550 | 50,001 | Direct |
Derivative securities (Table II)
Options, warrants, restricted stock units and similar. Shares are the underlying shares; price and value are for the derivative itself, and the holding after is in derivative units.
| Trade date | Security | Transaction | Underlying shares | Unit price | Value | Held after | Ownership | Flags |
|---|---|---|---|---|---|---|---|---|
| Nov 12, 2025 | Class A Common Stock | MOption exerciseDisposed | −15,000 | $0.00 | $0 | 15,000 | Direct | |
| Nov 13, 2025 | Class A Common Stock | MOption exerciseDisposed | −15,000 | $0.00 | $0 | 0 | Direct |
Footnotes
Livermore does not store Form 4 footnotes. For price ranges, how indirect holdings are held and trading plan details, read the original on SEC EDGAR.