McKechnie Mark's Form 4 filing
ACM Research, Inc. (ACMR) · filed Dec 8, 2025
- Accession no.
- 0001140361-25-044909
- Filed
- Dec 8, 2025
- Trade date
- Dec 4-8, 2025
- Filing delay
- 4 days
- Rule 10b5-1 plan
- Checked
This filing lists 5 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.09M. It was filed 4 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 |
|---|---|
| McKechnie MarkCIK 0001775007 | 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 |
|---|---|---|---|---|---|---|---|---|
| Dec 4, 2025 | Class A Common Stock | MOption exerciseAcquired | +8,750 | $4.55 | +$39,812.5 | 9,650 | Direct | |
| Dec 4, 2025 | Class A Common Stock | SSaleDisposed | −7,754 | $33.50 | −$259,759 | 1,896 | Direct | |
| Dec 4, 2025 | Class A Common Stock | SSaleDisposed | −996 | $34.26 | −$34,122.96 | 900 | Direct | |
| Dec 8, 2025 | Class A Common Stock | MOption exerciseAcquired | +22,500 | $25.45 | +$572,625 | 23,400 | Direct | |
| Dec 8, 2025 | Class A Common Stock | SSaleDisposed | −22,500 | $35.45 | −$797,625 | 900 | 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 |
|---|---|---|---|---|---|---|---|---|
| Dec 4, 2025 | Class A Common Stock | MOption exerciseDisposed | −8,750 | $0.00 | $0 | 0 | Direct | |
| Dec 8, 2025 | Class A Common Stock | MOption exerciseDisposed | −22,500 | $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.