Form 4 for ACMR ACM Research, Inc.
Accepted 2025-03-05 00:00:00 ET · period of report 2025-03-03 · accession 0001140361-25-007211 · 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| D | 2025-03-05 | 2025-03-03 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +25.0K | 780.1K | +3% | +$12.5K |
| D | 2025-03-05 | 2025-03-03 | ACMR | Dun Haiping | Dir | F - Tax | $25.94 | -482 | 779.6K | -0.1% | -$12.5K |
| D | 2025-03-05 | 2025-03-03 | ACMR | Dun Haiping | Dir | M - OptEx | $0.00 | -25.0K | 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 | 2025-03-03 | M | A | 25,001 | $0.5 | 780,091 | D | — | — | |
| 2 | Common | Class A Common Stock | 2025-03-03 | F | D | 482 | $25.94 | 779,609 | D | — | — | |
| 3 | Derivative | Stock Option | 2025-03-03 | M | D | 25,001 | $0.00 | 0 | D | $0.5 · — to 2025-04-30 | 25,001 Class A Common Stock | (F2) The option is fully vested and exercisable. |