Form 4 for ACMR ACM Research, Inc.
Accepted 2025-09-19 00:00:00 ET · period of report 2025-09-17 · accession 0001140361-25-035582 · 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 | 2025-09-17 | ACMR | Liu Tracy | Dir | M - OptEx | $1.00 | +15.0K | 125.8K | +14% | +$15.0K |
| DT | 2025-09-19 | 2025-09-17 | ACMR | Liu Tracy | Dir | S - Sale+OE | $33.00 | -15.0K | 110.8K | -12% | -$495.0K |
| DT | 2025-09-19 | 2025-09-17 | ACMR | Liu Tracy | Dir | M - OptEx | $0.00 | -15.0K | 60.0K | -20% | $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 | 2025-09-17 | M | A | 15,000 | $1.00 | 125,772 | D | — | — | |
| 2 | Common | Class A Common Stock | 2025-09-17 | S | D | 15,000 | $33.00 | 110,772 | D | — | — | |
| 3 | Derivative | Stock Option | 2025-09-17 | M | D | 15,000 | $0.00 | 60,000 | D | $1.00 · — to 2026-12-27 | 15,000 Class A Common Stock | (F3) The option is fully vested and exercisable. |