ACMR ACM Research, Inc.
Nasdaq · SEC CIK 1680062 · EDGAR
- Bought, last 12 months
- $0 0 purchases by 0 insiders
- Sold, last 12 months
- $51.15M 17 sales by 8 insiders
- Filings on record
- 157 since 2021-08-13, latest 2026-09-10 16:30
BoughtSold
Most active insiders, 12 months
| Insider | Title | Bought | Sold |
|---|---|---|---|
| Wang David H | See Remarks, Dir, 10% | — | $28.98M |
| McKechnie Mark | See Remarks | — | $9.85M |
| Chen Fuping | See remarks | — | $3.98M |
| Liu Tracy | Dir | — | $2.85M |
| Feng Lisa | See remarks | — | $2.44M |
| Cheav Sotheara | See remarks | — | $1.59M |
| Dun Haiping | Dir | — | $954.1K |
| Pappis Charles C | Dir | — | $510.4K |
Transactions 190
| X | Filed | Traded | Ticker | Insider | Title | Type | Price | Qty | Owned | ΔOwn | Value |
|---|---|---|---|---|---|---|---|---|---|---|---|
| MT | 2024-05-24 | 2024-05-22 | ACMR | Wang David H | See Remarks, Dir, 10% | S - Sale | $22.81 | -90.0K | 635.1K | -12% | -$2.05M |
| T | 2024-05-24 | 2024-05-22 | ACMR | Dun Haiping | Dir | S - Sale | $22.88 | -15.0K | 874.3K | -2% | -$343.2K |
| D | 2024-05-16 | 2024-05-14 | ACMR | Dun Haiping | Dir | F - Tax | $23.02 | -761 | 889.3K | -0.1% | -$17.5K |
| D | 2024-05-16 | 2024-05-14 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +35.0K | 890.1K | +4% | +$17.5K |
| D | 2024-05-16 | 2024-05-14 | ACMR | Wang David H | See Remarks, Dir, 10% | F - Tax | $23.02 | -3,910 | 680.1K | -0.6% | -$90.0K |
| D | 2024-05-16 | 2024-05-14 | ACMR | Wang David H | See Remarks, Dir, 10% | M - OptEx | $0.5 | +180.0K | 684.0K | +36% | +$90.0K |
| MT | 2024-03-15 | 2024-03-13+ | ACMR | Cheav Sotheara | See remarks | S - Sale | $28.49 | -10.0K | 100.0K | -9% | -$284.9K |
| MT | 2024-03-15 | 2024-03-14 | ACMR | Wang David H | See Remarks, Dir, 10% | S - Sale | $27.62 | -87.1K | 514.6K | -14% | -$2.41M |
| MT | 2024-03-15 | 2024-03-14 | ACMR | Dun Haiping | Dir | S - Sale | $27.70 | -19.4K | 855.1K | -2% | -$538.4K |
| MT | 2024-03-12 | 2024-03-08 | ACMR | Wang David H | See Remarks, Dir, 10% | S - Sale | $30.36 | -90.0K | 636.1K | -12% | -$2.73M |
| T | 2024-03-12 | 2024-03-08 | ACMR | Dun Haiping | Dir | S - Sale | $30.36 | -15.0K | 874.5K | -2% | -$455.4K |
| D | 2024-03-05 | 2024-03-01 | ACMR | Dun Haiping | Dir | F - Tax | $30.92 | -566 | 889.5K | -0.1% | -$17.5K |
| D | 2024-03-05 | 2024-03-01 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +35.0K | 890.1K | +4% | +$17.5K |
| D | 2024-03-05 | 2024-03-01 | ACMR | Wang David H | See Remarks, Dir, 10% | F - Tax | $30.92 | -2,911 | 681.1K | -0.4% | -$90.0K |
| D | 2024-03-05 | 2024-03-01 | ACMR | Wang David H | See Remarks, Dir, 10% | M - OptEx | $0.5 | +180.0K | 684.0K | +36% | +$90.0K |
| DT | 2024-03-01 | 2024-02-28 | ACMR | Liu Tracy | Dir | S - Sale+OE | $25.20 | -12.5K | 110.8K | -10% | -$315.0K |
| DT | 2024-03-01 | 2024-02-28 | ACMR | Liu Tracy | Dir | M - OptEx | $5.60 | +12.5K | 123.3K | +11% | +$70.0K |
| DT | 2024-03-01 | 2024-02-28 | ACMR | Feng Lisa | See remarks | S - Sale+OE | $25.20 | -7,500 | 50.0K | -13% | -$189.0K |
| DT | 2024-03-01 | 2024-02-28 | ACMR | Feng Lisa | See remarks | M - OptEx | $5.60 | +7,500 | 57.5K | +15% | +$42.0K |
| DT | 2024-01-16 | 2024-01-12 | ACMR | McKechnie Mark | See Remarks | M - OptEx | $4.55 | +10.0K | 10.9K | +1,111% | +$45.5K |
| DT | 2024-01-16 | 2024-01-12 | ACMR | McKechnie Mark | See Remarks | S - Sale+OE | $22.00 | -10.0K | 900 | -92% | -$220.0K |
| DT | 2023-12-28 | 2023-12-26 | ACMR | Liu Tracy | Dir | M - OptEx | $5.60 | +10.0K | 120.8K | +9% | +$56.0K |
| DT | 2023-12-28 | 2023-12-26 | ACMR | Liu Tracy | Dir | S - Sale+OE | $20.00 | -10.0K | 110.8K | -8% | -$200.0K |
| DT | 2023-12-28 | 2023-12-26 | ACMR | Feng Lisa | See remarks | M - OptEx | $5.60 | +7,500 | 57.5K | +15% | +$42.0K |
| DT | 2023-12-28 | 2023-12-26 | ACMR | Feng Lisa | See remarks | S - Sale+OE | $20.00 | -7,500 | 50.0K | -13% | -$150.0K |
| MT | 2023-12-01 | 2023-11-29 | ACMR | Wang David H | See Remarks, Dir, 10% | S - Sale | $17.14 | -84.8K | 504.0K | -14% | -$1.45M |
| T | 2023-12-01 | 2023-11-29 | ACMR | Dun Haiping | Dir | S - Sale | $17.25 | -19.0K | 855.1K | -2% | -$327.5K |
| MT | 2023-11-27 | 2023-11-22 | ACMR | Wang David H | See Remarks, Dir, 10% | S - Sale | $17.68 | -90.0K | 633.8K | -12% | -$1.59M |
| T | 2023-11-27 | 2023-11-22 | ACMR | Dun Haiping | Dir | S - Sale | $17.66 | -15.0K | 874.1K | -2% | -$264.9K |
| DT | 2023-11-22 | 2023-11-20 | ACMR | Liu Tracy | Dir | M - OptEx | $7.36 | +15.0K | 51.9K | +41% | +$110.4K |
| DT | 2023-11-22 | 2023-11-20 | ACMR | Liu Tracy | Dir | S - Sale+OE | $17.91 | -15.0K | 36.9K | -29% | -$268.6K |
| D | 2023-11-16 | 2023-11-14 | ACMR | Wang David H | See Remarks, Dir, 10% | F - Tax | $17.23 | -5,224 | 678.8K | -0.8% | -$90.0K |
| D | 2023-11-16 | 2023-11-14 | ACMR | Wang David H | See Remarks, Dir, 10% | M - OptEx | $0.5 | +180.0K | 684.0K | +36% | +$90.0K |
| D | 2023-11-16 | 2023-11-14 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +35.0K | 890.1K | +4% | +$17.5K |
| D | 2023-11-16 | 2023-11-14 | ACMR | Dun Haiping | Dir | F - Tax | $17.23 | -1,016 | 889.1K | -0.1% | -$17.5K |
| DT | 2023-11-15 | 2023-11-13 | ACMR | Cheav Sotheara | See remarks | S - Sale+OE | $16.79 | -26.0K | 110.0K | -19% | -$436.5K |
| DMT | 2023-11-15 | 2023-11-13 | ACMR | Cheav Sotheara | See remarks | M - OptEx | $4.99 | +26.0K | 136.0K | +24% | +$129.7K |
| DT | 2023-10-13 | 2023-10-11 | ACMR | McKechnie Mark | See Remarks | M - OptEx | $4.55 | +11.2K | 12.2K | +1,250% | +$51.2K |
| DT | 2023-10-13 | 2023-10-11 | ACMR | McKechnie Mark | See Remarks | S - Sale+OE | $20.00 | -11.2K | 900 | -93% | -$225.0K |
| MT | 2023-09-14 | 2023-09-12+ | ACMR | Wang David H | See Remarks, Dir, 10% | S - Sale | $17.87 | -175.1K | 589.1K | -23% | -$3.13M |
| D | 2023-09-06 | 2023-09-04 | ACMR | Wang David H | See Remarks, Dir, 10% | M - OptEx | $0.5 | +180.0K | 684.0K | +36% | +$90.0K |
| D | 2023-09-06 | 2023-09-04 | ACMR | Wang David H | See Remarks, Dir, 10% | F - Tax | $18.43 | -4,884 | 679.1K | -0.7% | -$90.0K |
| DT | 2023-09-05 | 2023-09-01 | ACMR | McKechnie Mark | See Remarks | M - OptEx | $4.55 | +30.0K | 30.9K | +3,333% | +$136.5K |
| DT | 2023-09-05 | 2023-09-01 | ACMR | McKechnie Mark | See Remarks | S - Sale+OE | $18.00 | -30.0K | 900 | -97% | -$540.0K |
| DM | 2023-08-25 | 2023-08-23 | ACMR | Chen Fuping | See remarks | M - OptEx | $1.06 | +105.0K | 105.0K | New | +$111.8K |
| D | 2023-08-25 | 2023-08-23 | ACMR | Chen Fuping | See remarks | S - Sale+OE | $15.00 | -105.0K | 0 | -100% | -$1.57M |
| 2023-08-24 | 2023-08-22 | ACMR | Dun Haiping | Dir | S - Sale | $13.85 | -32.1K | 855.1K | -4% | -$444.6K | |
| D | 2023-07-05 | 2023-07-03 | ACMR | Feng Lisa | See remarks | M - OptEx | $1.77 | +22.5K | 72.5K | +45% | +$39.8K |
| D | 2023-07-05 | 2023-07-03 | ACMR | Feng Lisa | See remarks | S - Sale+OE | $15.00 | -22.5K | 50.0K | -31% | -$337.5K |
| DM | 2023-06-08 | 2023-06-06 | ACMR | Cheav Sotheara | See remarks | M - OptEx | $4.92 | +39.0K | 149.0K | +35% | +$191.9K |
| D | 2023-06-08 | 2023-06-06 | ACMR | Cheav Sotheara | See remarks | S - Sale+OE | $10.00 | -39.0K | 110.0K | -26% | -$390.0K |
| 2023-06-05 | 2023-06-01 | ACMR | Dun Haiping | Dir | S - Sale | $10.00 | -37.5K | 887.2K | -4% | -$375.0K | |
| D | 2023-05-24 | 2023-05-22 | ACMR | Dun Haiping | Dir | F - Tax | $9.73 | -1,928 | 924.7K | -0.2% | -$18.8K |
| D | 2023-05-24 | 2023-05-22 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 926.6K | +4% | +$18.8K |
| 2023-03-20 | 2023-03-16 | ACMR | Dun Haiping | Dir | S - Sale | $12.06 | -37.5K | 889.1K | -4% | -$452.2K | |
| D | 2023-03-13 | 2023-03-09 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 928.1K | +4% | +$18.8K |
| D | 2023-03-13 | 2023-03-09 | ACMR | Dun Haiping | Dir | F - Tax | $12.47 | -1,504 | 926.6K | -0.2% | -$18.8K |
| DM | 2023-03-13 | 2023-03-09 | ACMR | Feng Lisa | See remarks | S - Sale+OE | $12.37 | -22.5K | 60.3K | -27% | -$278.4K |
| D | 2023-03-13 | 2023-03-09 | ACMR | Feng Lisa | See remarks | M - OptEx | $1.77 | +22.5K | 72.5K | +45% | +$39.8K |
| 2022-12-02 | 2022-11-30 | ACMR | Dun Haiping | Dir | S - Sale | $8.43 | -35.3K | 890.6K | -4% | -$297.8K | |
| D | 2022-11-25 | 2022-11-22 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 928.1K | +4% | +$18.8K |
| D | 2022-11-25 | 2022-11-22 | ACMR | Dun Haiping | Dir | F - Tax | $8.63 | -2,173 | 925.9K | -0.2% | -$18.8K |
| D | 2022-11-15 | 2022-11-14 | ACMR | Dun Haiping | Dir | F - Tax | $9.52 | -1,970 | 890.6K | -0.2% | -$18.8K |
| D | 2022-11-15 | 2022-11-14 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 892.6K | +4% | +$18.8K |
| 2022-08-24 | 2022-08-22 | ACMR | Dun Haiping | Dir | S - Sale | $16.10 | -36.5K | 855.1K | -4% | -$588.2K | |
| 2022-08-22 | 2022-08-18 | ACMR | Cheav Sotheara | See remarks | S - Sale | $17.50 | -10.0K | 110.0K | -8% | -$175.0K | |
| DM | 2022-08-18 | 2022-08-16+ | ACMR | Cheav Sotheara | See remarks | S - Sale+OE | $18.21 | -20.0K | 125.8K | -14% | -$364.2K |
| DM | 2022-08-18 | 2022-08-16+ | ACMR | Cheav Sotheara | See remarks | M - OptEx | $4.62 | +10.0K | 135.0K | +8% | +$46.2K |
| D | 2022-08-17 | 2022-08-15 | ACMR | Dun Haiping | Dir | S - Sale+OE | $19.28 | +36.5K | 891.6K | +4% | +$704.1K |
| D | 2022-08-17 | 2022-08-15 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 929.1K | +4% | +$18.8K |
| D | 2022-08-17 | 2022-08-15 | ACMR | Dun Haiping | Dir | F - Tax | $19.49 | -963 | 928.1K | -0.1% | -$18.8K |
| D | 2022-08-10 | 2022-08-08 | ACMR | Dun Haiping | Dir | F - Tax | $19.13 | -981 | 891.6K | -0.1% | -$18.8K |
| D | 2022-08-10 | 2022-08-08 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 892.6K | +4% | +$18.8K |
| 2022-05-31 | 2022-05-27 | ACMR | Dun Haiping | Dir | S - Sale | $15.00 | -36.1K | 855.1K | -4% | -$542.2K | |
| D | 2022-05-20 | 2022-05-18 | ACMR | Dun Haiping | Dir | F - Tax | $13.89 | -1,350 | 891.2K | -0.2% | -$18.8K |
| D | 2022-05-20 | 2022-05-18 | ACMR | Dun Haiping | Dir | M - OptEx | $0.5 | +37.5K | 892.6K | +4% | +$18.8K |
| DM | 2022-03-11 | 2022-03-09 | ACMR | Dun Haiping | Dir | S - Sale+OE | $82.09 | -12.3K | 308.4K | -4% | -$1.01M |
| D | 2022-03-11 | 2022-03-09 | ACMR | Dun Haiping | Dir | M - OptEx | $1.50 | +12.3K | 309.6K | +4% | +$18.4K |
| DM | 2022-03-11 | 2022-03-09+ | ACMR | McKechnie Mark | See Remarks | M - OptEx | $13.85 | +5,300 | 300 | New | +$73.4K |
| DM | 2022-03-11 | 2022-03-10 | ACMR | McKechnie Mark | See Remarks | S - Sale+OE | $64.20 | -5,000 | 3,100 | -62% | -$321.0K |
| D | 2022-03-04 | 2022-03-02 | ACMR | Dun Haiping | Dir | M - OptEx | $1.50 | +12.5K | 297.5K | +4% | +$18.8K |
| D | 2022-03-04 | 2022-03-02 | ACMR | Dun Haiping | Dir | F - Tax | $81.46 | -231 | 297.3K | -0.1% | -$18.8K |
| DM | 2021-11-22 | 2021-11-18 | ACMR | McKechnie Mark | See Remarks | S - Sale+OE | $94.05 | -5,000 | 166 | -97% | -$470.3K |
| D | 2021-11-22 | 2021-11-18 | ACMR | McKechnie Mark | See Remarks | M - OptEx | $13.85 | +5,000 | 5,000 | New | +$69.2K |
| D | 2021-11-05 | 2021-11-03 | ACMR | Feng Lisa | See remarks | M - OptEx | $5.60 | +2,437 | 16.7K | +17% | +$13.6K |
| MI | 2021-08-24 | 2021-08-23+ | ACMR | Xiang Yinan | Dir | S - Sale | $87.52 | -279.8K | 1.36M | -17% | -$24.48M |
| MI | 2021-08-20 | 2021-08-18 | ACMR | Xiang Yinan | Dir | S - Sale | $85.13 | -26.6K | 1.43M | -2% | -$2.27M |
| DM | 2021-08-20 | 2021-08-19 | ACMR | McKechnie Mark | See remarks | S - Sale+OE | $82.08 | -5,000 | 726 | -87% | -$410.4K |
| D | 2021-08-20 | 2021-08-19 | ACMR | McKechnie Mark | See remarks | M - OptEx | $13.85 | +5,000 | 5,000 | New | +$69.2K |
| MI | 2021-08-13 | 2021-08-11+ | ACMR | Xiang Yinan | Dir | S - Sale | $85.75 | -53.6K | 1.48M | -3% | -$4.60M |
Purchase Sale Sale after option exercise All abbreviations