Form 4 for ACMR ACM Research, Inc.
Accepted 2025-07-09 00:00:00 ET · period of report 2025-07-07 · accession 0001140361-25-025348 · 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 | 2025-07-09 | 2025-07-07 | ACMR | Feng Lisa | See remarks | M - OptEx | $5.60 | +15.0K | 65.0K | +30% | +$84.0K |
| DT | 2025-07-09 | 2025-07-07 | ACMR | Feng Lisa | See remarks | S - Sale+OE | $28.00 | -15.0K | 50.0K | -23% | -$420.0K |
| DT | 2025-07-09 | 2025-07-07 | ACMR | Feng Lisa | See remarks | M - OptEx | $0.00 | -15.0K | 30.0K | -33% | $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 | 2025-07-07 | M | A | 15,000 | $5.60 | 65,001 | D | — | — | |
| 2 | Common | Class A Common Stock | 2025-07-07 | S | D | 15,000 | $28.00 | 50,001 | D | — | — | |
| 3 | Derivative | Stock Option | 2025-07-07 | M | D | 15,000 | $0.00 | 30,000 | D | $5.60 · — to 2029-04-22 | 15,000 Class A Common Stock | (F3) The option is fully vested and exercisable. |