Form 4 for ACMR ACM Research, Inc.
Accepted 2025-09-30 00:00:00 ET · period of report 2025-09-08 · accession 0001140361-25-036835 · 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 | 2025-09-30 | 2025-09-08 | ACMR | Wang David H | See Remarks, Dir, 10% | M - OptEx | $1.00 | +130.0K | 802.7K | +19% | +$130.0K |
| D | 2025-09-30 | 2025-09-08 | ACMR | Wang David H | See Remarks, Dir, 10% | M - OptEx | $0.00 | -130.0K | 610.0K | -18% | $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 | 2025-09-08 | M | A | 130,000 | $1.00 | 802,708 | D | — | — | |
| 2 | Derivative | Stock Option | 2025-09-08 | M | D | 130,000 | $0.00 | 610,002 | D | $1.00 · — to 2026-12-27 | 130,000 Class A Common Stock | (F2) The option is fully vested and exercisable. |