Wang David H's Form 4 filing
ACM Research, Inc. (ACMR) · filed Jun 5, 2026
- Accession no.
- 0001140361-26-024280
- Filed
- Jun 5, 2026
- Trade date
- Jun 3-4, 2026
- Filing delay
- 2 days
- Rule 10b5-1 plan
- Checked
This filing lists 13 non-derivative transactions and 2 derivative transactions. Open-market sales total $8.84M. 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 |
|---|---|---|---|---|---|---|---|---|
| Jun 3, 2026 | Class A Common Stock | MOption exerciseAcquired | +60,000 | $1.00 | +$60,000 | 862,708 | Direct | |
| Jun 3, 2026 | Class A Common Stock | SSaleDisposed | −4,300 | $87.57 | −$376,551 | 858,408 | Direct | |
| Jun 3, 2026 | Class A Common Stock | SSaleDisposed | −6,295 | $88.98 | −$560,129.1 | 852,113 | Direct | |
| Jun 3, 2026 | Class A Common Stock | SSaleDisposed | −32,450 | $89.84 | −$2,915,308 | 819,663 | Direct | |
| Jun 3, 2026 | Class A Common Stock | SSaleDisposed | −9,925 | $90.78 | −$900,991.5 | 809,738 | Direct | |
| Jun 3, 2026 | Class A Common Stock | SSaleDisposed | −5,843 | $92.38 | −$539,776.34 | 803,895 | Direct | |
| Jun 3, 2026 | Class A Common Stock | SSaleDisposed | −1,187 | $93.04 | −$110,438.48 | 802,708 | Direct | |
| Jun 4, 2026 | Class A Common Stock | MOption exerciseAcquired | +40,002 | $1.00 | +$40,002 | 842,710 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −2,060 | $83.86 | −$172,751.6 | 840,650 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −17,543 | $85.11 | −$1,493,084.73 | 823,107 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −10,992 | $86.07 | −$946,081.44 | 812,115 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −8,581 | $87.13 | −$747,662.53 | 803,534 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −826 | $87.91 | −$72,613.66 | 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 |
|---|---|---|---|---|---|---|---|---|
| Jun 3, 2026 | Class A Common Stock | MOption exerciseDisposed | −60,000 | $0.00 | $0 | 310,002 | Direct | |
| Jun 4, 2026 | Class A Common Stock | MOption exerciseDisposed | −40,002 | $0.00 | $0 | 270,000 | 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.