Liu Tracy's Form 4 filing
ACM Research, Inc. (ACMR) · filed Mar 12, 2026
- Accession no.
- 0001140361-26-009239
- Filed
- Mar 12, 2026
- Trade date
- Mar 10-11, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 6 non-derivative transactions and 2 derivative transactions. Open-market sales total $2.85M. 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 |
|---|---|
| Liu TracyCIK 0001721299 | Director |
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 |
|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Class A Common Stock | MOption exerciseAcquired | +45,000 | $1.00 | +$45,000 | 155,772 | Direct | |
| Mar 10, 2026 | Class A Common Stock | SSaleDisposed | −32,216 | $47.06 | −$1,516,084.96 | 123,556 | Direct | |
| Mar 10, 2026 | Class A Common Stock | SSaleDisposed | −12,784 | $48.19 | −$616,060.96 | 110,772 | Direct | |
| Mar 11, 2026 | Class A Common Stock | MOption exerciseAcquired | +15,000 | $1.00 | +$15,000 | 125,772 | Direct | |
| Mar 11, 2026 | Class A Common Stock | SSaleDisposed | −11,623 | $47.81 | −$555,695.63 | 114,149 | Direct | |
| Mar 11, 2026 | Class A Common Stock | SSaleDisposed | −3,377 | $48.25 | −$162,940.25 | 110,772 | 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 |
|---|---|---|---|---|---|---|---|---|
| Mar 10, 2026 | Class A Common Stock | MOption exerciseDisposed | −45,000 | $0.00 | $0 | 15,000 | Direct | |
| Mar 11, 2026 | 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.