Chen Fuping (CIK 1729184) reported 5 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2025-12-04). Recent activity: Buy ACMR (100,000 shares), Sell ACMR (100,000 shares), Buy ACMR (20,000 shares), Sell ACMR (19,700 shares), Sell ACMR (300 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2025-12-04 | ACM Research, Inc. (ACMR) | See remarks | Buy | 100,000 | $177,000 |
| 2025-12-04 | ACM Research, Inc. (ACMR) | See remarks | Sell | 100,000 | $3.3M |
| 2025-12-04 | ACM Research, Inc. (ACMR) | See remarks | Buy | 20,000 | $35,400 |
| 2025-12-04 | ACM Research, Inc. (ACMR) | See remarks | Sell | 19,700 | $651,085 |
| 2025-12-04 | ACM Research, Inc. (ACMR) | See remarks | Sell | 300 | $10,071 |
Source: SEC Form 4 filings · as of 2025-12-04