Form 4 for ACMR ACM Research, Inc.
Accepted 2025-08-26 00:00:00 ET · period of report 2025-08-22 · accession 0001140361-25-032732 · SEC index · Original document
Summary rows
Aggregated the way they appear in lists: one row per insider, transaction code and security table.
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DMT | 2025-08-26 | 2025-08-22+ | ACMR | Wang Jian | See remarks | M - OptEx | $5.60 | +60.0K | 283.2K | +27% | +$336.0K |
| DMT | 2025-08-26 | 2025-08-22+ | ACMR | Wang Jian | See remarks | S - Sale+OE | $31.00 | -60.0K | 253.2K | -19% | -$1.86M |
| DMT | 2025-08-26 | 2025-08-22+ | ACMR | Wang Jian | See remarks | M - OptEx | $0.00 | -60.0K | 60.0K | -50% | $0 |
Purchase Sale Sale after option exercise All abbreviations
Every reported transaction
| # | Table | Security | Date | Code | A/D | Shares | Price | Owned after | Own | Exercise / expiry | Underlying | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Common | Class A Common Stock | 2025-08-25 | M | A | 30,000 | $5.60 | 283,158 | D | — | — | |
| 2 | Common | Class A Common Stock | 2025-08-25 | S | D | 30,000 | $32.00 | 253,158 | D | — | — | |
| 3 | Common | Class A Common Stock | 2025-08-22 | M | A | 30,000 | $5.60 | 283,158 | D | — | — | |
| 4 | Common | Class A Common Stock | 2025-08-22 | S | D | 30,000 | $30.00 | 253,158 | D | — | — | |
| 5 | Derivative | Stock Option | 2025-08-25 | M | D | 30,000 | $0.00 | 30,000 | D | $5.60 · — to 2029-04-22 | 30,000 Class A Common Stock | (F2) The option is fully vested and exercisable. |
| 6 | Derivative | Stock Option | 2025-08-22 | M | D | 30,000 | $0.00 | 60,000 | D | $5.60 · — to 2029-04-22 | 30,000 Class A Common Stock | (F2) The option is fully vested and exercisable. |