4
Changes in Ownership
ACM Research, Inc. Filed Acc 0001140361-25-044360
See remarks sold 120,000 shares at an average $33.18 ($3,981,156)
- See remarks acquired 120,000 shares (option exercise)
- Traded under a Rule 10b5-1 plan
From the SEC's structured data for this filing
Trades in this filing
| Insider | Date | Transaction | Shares | Price | Value | Owned after | D/I |
|---|---|---|---|---|---|---|---|
| Chen Fuping See remarks | 2025-12-02 | Option exercise 10b5-1 | +100,000 | $1.77 | $177,000 | 100,000 | D |
| Chen Fuping See remarks | 2025-12-02 | Sale 10b5-1 | −100,000 | $33.20 | $3,320,000 | 0 | D |
| Chen Fuping See remarks | 2025-12-03 | Option exercise 10b5-1 | +20,000 | $1.77 | $35,400 | 20,000 | D |
| Chen Fuping See remarks | 2025-12-03 | Sale 10b5-1 | −19,700 | $33.05 | $651,085 | 300 | D |
| Chen Fuping See remarks | 2025-12-03 | Sale 10b5-1 | −300 | $33.57 | $10,071 | 0 | D |
| Derivatives | |||||||
| Chen Fuping See remarks | 2025-12-02 | Option exercise · Stock Option 10b5-1 | −100,000 | 41,165 | D | ||
| Chen Fuping See remarks | 2025-12-03 | Option exercise · Stock Option 10b5-1 | −20,000 | 21,165 | D | ||
| Open-market sales · 120,000 sh · avg $33.18 · $3,981,156 | |||||||
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