Wang David H's Form 4 filing
ACM Research, Inc. (ACMR) · filed Dec 5, 2025
- Accession no.
- 0001140361-25-044559
- Filed
- Dec 5, 2025
- Trade date
- Dec 3-4, 2025
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 6 non-derivative transactions and 2 derivative transactions. Open-market sales total $4.36M. 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 |
|---|---|
| Wang David HCIK 0001721580 | Director, Officer (See Remarks), 10% Owner |
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 3, 2025 | Class A Common Stock | MOption exerciseAcquired | +70,000 | $1.00 | +$70,000 | 872,708 | Direct | |
| Dec 3, 2025 | Class A Common Stock | SSaleDisposed | −68,800 | $33.05 | −$2,273,840 | 803,908 | Direct | |
| Dec 3, 2025 | Class A Common Stock | SSaleDisposed | −1,200 | $33.56 | −$40,272 | 802,708 | Direct | |
| Dec 4, 2025 | Class A Common Stock | MOption exerciseAcquired | +60,000 | $1.00 | +$60,000 | 862,708 | Direct | |
| Dec 4, 2025 | Class A Common Stock | SSaleDisposed | −19,817 | $33.52 | −$664,265.84 | 842,891 | Direct | |
| Dec 4, 2025 | Class A Common Stock | SSaleDisposed | −40,183 | $34.42 | −$1,383,098.86 | 802,708 | 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 3, 2025 | Class A Common Stock | MOption exerciseDisposed | −70,000 | $0.00 | $0 | 540,002 | Direct | |
| Dec 4, 2025 | Class A Common Stock | MOption exerciseDisposed | −60,000 | $0.00 | $0 | 480,002 | 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.