Feng Lisa (CIK 1779777) reported 14 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-09). Recent activity: Buy ACMR (15,000 shares), Sell ACMR (8,050 shares), Sell ACMR (6,950 shares), Buy ACMR (15,000 shares), Sell ACMR (14,800 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-09 | ACM Research, Inc. (ACMR) | See remarks | Buy | 15,000 | $68,250 |
| 2026-03-09 | ACM Research, Inc. (ACMR) | See remarks | Sell | 8,050 | $400,970 |
| 2026-03-09 | ACM Research, Inc. (ACMR) | See remarks | Sell | 6,950 | $349,168 |
| 2026-03-09 | ACM Research, Inc. (ACMR) | See remarks | Buy | 15,000 | $68,250 |
| 2026-03-09 | ACM Research, Inc. (ACMR) | See remarks | Sell | 14,800 | $681,836 |
| 2026-03-09 | ACM Research, Inc. (ACMR) | See remarks | Sell | 200 | $9,316 |
| 2025-11-14 | ACM Research, Inc. (ACMR) | See remarks | Buy | 15,000 | $84,000 |
| 2025-11-14 | ACM Research, Inc. (ACMR) | See remarks | Sell | 15,000 | $491,400 |
| 2025-11-14 | ACM Research, Inc. (ACMR) | See remarks | Buy | 15,000 | $84,000 |
| 2025-11-14 | ACM Research, Inc. (ACMR) | See remarks | Sell | 15,000 | $506,550 |
| 2025-07-09 | ACM Research, Inc. (ACMR) | See remarks | Buy | 15,000 | $84,000 |
| 2025-07-09 | ACM Research, Inc. (ACMR) | See remarks | Sell | 15,000 | $420,000 |
| 2025-06-26 | ACM Research, Inc. (ACMR) | See remarks | Buy | 15,000 | $84,000 |
| 2025-06-26 | ACM Research, Inc. (ACMR) | See remarks | Sell | 15,000 | $390,000 |
Source: SEC Form 4 filings · as of 2026-03-09