| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Acm Research, Inc. (ACMR) has 9 insiders with recent SEC Form 4 filings, including 0 buys and 15 sells. ACMR is classified in the Semiconductors & Semiconductor Equipment industry within the Information Technology sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Other | 253.2K | $21.35M | - | |
| Other | 103.0K | $8.69M | - | |
| Other | 65.0K | $5.48M | - | |
| Dir | 55.0K | $4.64M | - | |
| Other | 20.0K | $1.69M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 14, 2025 | Dun Haiping51 | Director | Sell | 9,518 | $29.00 | $275,976.18 | -0.6% | -11.8% | +58.9% | |
| Mar 13, 2025 | Wang David H50 | See Remarks | Sell | 131,250 | $27.02 | $3,546,554.34 | -4.5% | -5.8% | +69.0% | |
| Mar 12, 2025 | McKechnie Mark60 | See Remarks | Sale+OE | 15,000 | $27.42 | $411,300.00 | -94.3% | -7.7% | +64.6% | |
| Mar 10, 2025 | Dun Haiping51 | Director | Sell | 15,001 | $26.54 | $398,126.54 | -1.9% | -4.0% | +84.4% | |
| Feb 6, 2025 | Cheav Sotheara65 | See Remarks | Sale+OE | 22,598 | $23.00 | $519,754.00 | -18.4% | -13.0% | +171.5% | |
| Feb 6, 2025 | McKechnie Mark60 | See Remarks | Sale+OE | 15,000 | $22.00 | $330,000.00 | -94.3% | -13.0% | +171.5% | |
| Nov 29, 2024 | Wang David H50 | See Remarks | Sell | 56,250 | $17.44 | $981,000.00 | -8.6% | +51.8% | +94.4% | |
| Nov 29, 2024 | Dun Haiping51 | Director | Sell | 19,058 | $17.43 | $332,180.94 | -2.5% | +51.8% | +94.4% | |
| Nov 26, 2024 | Wang David H50 | See Remarks | Sell | 56,250 | $17.89 | $1,006,086.84 | -4.1% | +35.2% | +89.2% | |
| Nov 22, 2024 | Wang David H50 | See Remarks | Sell | 56,250 | $19.08 | $1,073,250.00 | -7.3% | +42.6% | +59.8% |