Form 4 for ACMR ACM Research, Inc.
Accepted 2025-09-19 00:00:00 ET · period of report 2025-09-18 · accession 0001140361-25-035581 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DT | 2025-09-19 | 2025-09-18 | ACMR | Wang Jian | See remarks | M - OptEx | $5.60 | +30.0K | 283.2K | +12% | +$168.0K |
| DT | 2025-09-19 | 2025-09-18 | ACMR | Wang Jian | See remarks | S - Sale+OE | $35.00 | -30.0K | 253.2K | -11% | -$1.05M |
| DT | 2025-09-19 | 2025-09-18 | ACMR | Wang Jian | See remarks | M - OptEx | $0.00 | -30.0K | 0 | -100% | $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 | 2025-09-18 | M | A | 30,000 | $5.60 | 283,158 | D | — | — | |
| 2 | Common | Class A Common Stock | 2025-09-18 | S | D | 30,000 | $35.00 | 253,158 | D | — | — | |
| 3 | Derivative | Stock Option | 2025-09-18 | M | D | 30,000 | $0.00 | 0 | D | $5.60 · — to 2029-04-22 | 30,000 Class A Common Stock | (F3) The option is fully vested and exercisable. |