Cheav Sotheara's Form 4 filing
ACM Research, Inc. (ACMR) · filed Jun 5, 2026
- Accession no.
- 0001140361-26-024322
- Filed
- Jun 5, 2026
- Trade date
- Jun 4-5, 2026
- Filing delay
- 1 day
- Rule 10b5-1 plan
- Checked
This filing lists 9 non-derivative transactions and 2 derivative transactions. Open-market sales total $1.59M. It was filed 1 day 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 |
|---|---|
| Cheav SothearaCIK 0001721279 | 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 |
|---|---|---|---|---|---|---|---|---|
| Jun 4, 2026 | Class A Common Stock | MOption exerciseAcquired | +13,351 | $13.89 | +$185,445.39 | 113,353 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −1,300 | $84.08 | −$109,304 | 112,053 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −9,212 | $85.11 | −$784,033.32 | 102,841 | Direct | |
| Jun 4, 2026 | Class A Common Stock | SSaleDisposed | −2,839 | $85.77 | −$243,501.03 | 100,002 | Direct | |
| Jun 5, 2026 | Class A Common Stock | MOption exerciseAcquired | +5,399 | $13.89 | +$74,992.11 | 105,401 | Direct | |
| Jun 5, 2026 | Class A Common Stock | SSaleDisposed | −2,384 | $81.73 | −$194,844.32 | 103,017 | Direct | |
| Jun 5, 2026 | Class A Common Stock | SSaleDisposed | −968 | $82.61 | −$79,966.48 | 102,049 | Direct | |
| Jun 5, 2026 | Class A Common Stock | SSaleDisposed | −400 | $84.01 | −$33,604 | 101,649 | Direct | |
| Jun 5, 2026 | Class A Common Stock | SSaleDisposed | −1,647 | $85.41 | −$140,670.27 | 100,002 | 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 4, 2026 | Class A Common Stock | MOption exerciseDisposed | −13,351 | $0.00 | $0 | 42,899 | Direct | |
| Jun 5, 2026 | Class A Common Stock | MOption exerciseDisposed | −5,399 | $0.00 | $0 | 37,500 | 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.