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ACM Research Insider Trading Activity | NASDAQ:ACMR | Benzinga
Track the latest ACM Research insider trading activity. Stay informed on recent buys, sells, and market impact for ACM Research stock.
What is Insider Activity?
Insider trading activity involves company insiders, such as executives, directors, and employees, engaging in transactions of their own company's stock. Insiders' buy and sell transactions provide valuable insights into their confidence in the company's future performance.
What are ACM Research Inc Insiders Doing?
At ACM Research Inc, recent insider activity has drawn attention. Over the last 30 days, insiders have reported selling a total of - shares worth -, meanwhile, insiders have report no purchases in the last 30 days.
Notable Recent Insider Buys and Sales
- On March 18, 2025, Haiping Dun, the company's - sold 9.52K shares for $29 each.
- On March 12, 2025, Haiping Dun, the company's - sold 15K shares for $26.54 each.
- On March 13, 2025, David H Wang, the company's SEE REMARKS sold 131.25K shares for $27.02 each.
Ownership Statistics for ACM Research Inc
Shares Outstanding
63.865M
Insider Shares Owned
2.172M
Insider Percentage Owned
3.40%
Institutional Shares Held
19.449M
Institutional Percentage Held
30.5%
| May 23, 2025 | David H Wang | SEE REMARKS | 0.00 | $12.08 | -$2.88M | SELL-OPTIONS | 0.00% | 1.29M | May 21 - May 22 | View |
| May 16, 2025 | Mark McKechnie | SEE REMARKS | 0.00 | $15.41 | -$294.30K | SELL-OPTIONS | 0.00% | 900.00 | May 14 | View |
| Mar 19, 2025 | Chenming Hu | — | -163.31K | $30.00 | -$4.90M | SELL | -62.02% | 100.00K | Mar 17 | View |
| Mar 18, 2025 | Haiping Dun | — | -9.52K | $29.00 | -$275.98K | SELL | -1.10% | 855.09K | Mar 14 | View |
| Mar 14, 2025 | Mark McKechnie | SEE REMARKS | 0.00 | $16.51 | -$327.30K | SELL-OPTIONS | 0.00% | 900.00 | Mar 12 | View |
| Mar 13, 2025 | David H Wang | SEE REMARKS | -131.25K | $27.02 | -$3.55M | SELL | -9.22% | 1.29M | Mar 11 - Mar 13 | View |
| Mar 12, 2025 | Haiping Dun | — | -15.00K | $26.54 | -$398.13K | SELL | -1.71% | 864.61K | Mar 10 | View |
| Feb 10, 2025 | Sotheara Cheav | SEE REMARKS | 0.00 | $18.45 | -$205.87K | SELL-OPTIONS | 0.00% | 100.00K | Feb 06 | View |
| Feb 10, 2025 | Mark McKechnie | SEE REMARKS | 0.00 | $13.80 | -$246.00K | SELL-OPTIONS | 0.00% | 900.00 | Feb 06 | View |
| Dec 03, 2024 | Haiping Dun | — | -19.06K | $17.43 | -$332.18K | SELL | -2.18% | 855.09K | Nov 29 | View |
| Dec 03, 2024 | David H Wang | SEE REMARKS | -56.25K | $17.44 | -$981.00K | SELL | -4.41% | 1.22M | Nov 29 | View |
| Nov 29, 2024 | David H Wang | SEE REMARKS | -56.25K | $17.89 | -$1.01M | SELL | -4.23% | 1.27M | Nov 26 | View |
| Nov 26, 2024 | Haiping Dun | — | -15.00K | $19.12 | -$286.80K | SELL | -1.69% | 874.15K | Nov 22 | View |
| Nov 26, 2024 | David H Wang | SEE REMARKS | -56.25K | $19.08 | -$1.07M | SELL | -4.06% | 1.33M | Nov 22 | View |
| Oct 08, 2024 | Shanghai Science Technology Venture Capital Group Co LtdShanghai Pudong Science Technology Investment Group Co Ltd | 10% OWNER | -1.07M | $22.08 | -$23.52M | SELL | -15.75% | 5.70M | Oct 04 - Oct 08 | View |
| Oct 08, 2024 | Xiao Xing | — | -1.07M | $22.07 | -$23.52M | SELL | -31.30% | 2.34M | Oct 04 - Oct 08 | View |
| Oct 08, 2024 | Mark McKechnie | SEE REMARKS | 0.00 | $13.80 | -$270.86K | SELL-OPTIONS | 0.00% | 900.00 | Oct 04 | View |
| Oct 03, 2024 | Shanghai Science Technology Venture Capital Group Co LtdShanghai Pudong Science Technology Investment Group Co Ltd | 10% OWNER | -34.60K | $20.05 | -$693.92K | SELL | -0.51% | 6.76M | Oct 01 - Oct 02 | View |
| Oct 03, 2024 | Xiao Xing | — | -34.60K | $20.05 | -$693.92K | SELL | -1.01% | 3.40M | Oct 01 - Oct 02 | View |
| Sep 03, 2024 | Haiping Dun | — | -19.10K | $18.08 | -$345.27K | SELL | -2.18% | 855.09K | Aug 29 | View |
| Aug 26, 2024 | Haiping Dun | — | -15.00K | $19.85 | -$297.75K | SELL | -1.69% | 874.19K | Aug 22 | View |
| Jun 12, 2024 | Jian Wang | SEE REMARKS | 0.00 | $13.58 | -$1.08M | SELL-OPTIONS | 0.00% | 253.16K | Jun 10 - Jun 11 | View |
| Jun 07, 2024 | Jian Wang | SEE REMARKS | 0.00 | $13.56 | -$1.07M | SELL-OPTIONS | 0.00% | 253.16K | Jun 06 - Jun 07 | View |
| Jun 07, 2024 | Mark McKechnie | SEE REMARKS | 0.00 | $13.92 | -$360.14K | SELL-OPTIONS | 0.00% | 900.00 | Jun 06 | View |
| May 31, 2024 | Haiping Dun | — | -19.24K | $22.63 | -$435.38K | SELL | -2.20% | 855.09K | May 29 | View |
| May 31, 2024 | David H Wang | SEE REMARKS | -86.09K | $22.62 | -$1.95M | SELL | -7.11% | 1.12M | May 29 | View |
| May 24, 2024 | David H Wang | SEE REMARKS | -90.00K | $22.81 | -$2.05M | SELL | -6.92% | 1.21M | May 22 | View |
| May 24, 2024 | Haiping Dun | — | -15.00K | $22.88 | -$343.20K | SELL | -1.69% | 874.33K | May 22 | View |
| Mar 15, 2024 | David H Wang | SEE REMARKS | -87.09K | $27.62 | -$2.41M | SELL | -7.19% | 1.12M | Mar 14 | View |
| Mar 15, 2024 | Haiping Dun | — | -19.43K | $27.70 | -$538.38K | SELL | -2.22% | 855.09K | Mar 14 | View |
| Mar 15, 2024 | Sotheara Cheav | SEE REMARKS | -10.00K | $28.49 | -$284.88K | SELL | -9.09% | 100.00K | Mar 13 - Mar 14 | View |
| Mar 12, 2024 | Haiping Dun | — | -15.00K | $30.36 | -$455.40K | SELL | -1.69% | 874.52K | Mar 08 | View |
| Mar 12, 2024 | David H Wang | SEE REMARKS | -90.00K | $30.36 | -$2.73M | SELL | -6.92% | 1.21M | Mar 08 | View |
| Mar 01, 2024 | Lisa Feng | SEE REMARKS | 0.00 | $15.40 | -$147.00K | SELL-OPTIONS | 0.00% | 50.00K | Feb 28 | View |
| Mar 01, 2024 | Tracy Liu | — | 0.00 | $15.40 | -$245.00K | SELL-OPTIONS | 0.00% | 110.77K | Feb 28 | View |
| Jan 16, 2024 | Mark McKechnie | SEE REMARKS | 0.00 | $13.28 | -$174.50K | SELL-OPTIONS | 0.00% | 900.00 | Jan 12 | View |
| Dec 28, 2023 | Tracy Liu | — | 0.00 | $12.80 | -$144.00K | SELL-OPTIONS | 0.00% | 110.77K | Dec 26 | View |
| Dec 28, 2023 | Lisa Feng | SEE REMARKS | 0.00 | $12.80 | -$108.00K | SELL-OPTIONS | 0.00% | 50.00K | Dec 26 | View |
| Dec 01, 2023 | Haiping Dun | — | -18.98K | $17.25 | -$327.47K | SELL | -2.17% | 855.09K | Nov 29 | View |
| Dec 01, 2023 | David H Wang | SEE REMARKS | -84.78K | $17.14 | -$1.45M | SELL | -7.01% | 1.12M | Nov 29 | View |
| Nov 27, 2023 | David H Wang | SEE REMARKS | -90.00K | $17.68 | -$1.59M | SELL | -6.93% | 1.21M | Nov 22 | View |
| Nov 27, 2023 | Haiping Dun | — | -15.00K | $17.66 | -$264.90K | SELL | -1.69% | 874.07K | Nov 22 | View |
| Nov 22, 2023 | Tracy Liu | — | 0.00 | $12.63 | -$158.25K | SELL-OPTIONS | 0.00% | 36.92K | Nov 20 | View |
| Nov 15, 2023 | Sotheara Cheav | SEE REMARKS | 0.00 | $10.89 | -$306.83K | SELL-OPTIONS | 0.00% | 110.00K | Nov 13 | View |
| Oct 13, 2023 | Mark McKechnie | SEE REMARKS | 0.00 | $12.28 | -$173.81K | SELL-OPTIONS | 0.00% | 900.00 | Oct 11 | View |
| Sep 14, 2023 | David H Wang | SEE REMARKS | -175.12K | $17.87 | -$3.13M | SELL | -13.48% | 1.12M | Sep 12 - Sep 13 | View |
| Sep 05, 2023 | Mark McKechnie | SEE REMARKS | 0.00 | $11.28 | -$403.50K | SELL-OPTIONS | 0.00% | 900.00 | Sep 01 | View |
| Aug 25, 2023 | Fuping Chen | SEE REMARKS | 0.00 | $8.03 | -$1.46M | SELL-OPTIONS | 0.00% | 0.00 | Aug 23 | View |
| Aug 24, 2023 | Haiping Dun | — | -32.10K | $13.85 | -$444.56K | SELL | -3.62% | 855.09K | Aug 22 | View |
| Jul 05, 2023 | Lisa Feng | SEE REMARKS | 0.00 | $8.38 | -$297.68K | SELL-OPTIONS | 0.00% | 50.00K | Jul 03 | View |
| Jun 08, 2023 | Sotheara Cheav | SEE REMARKS | 0.00 | $7.46 | -$198.10K | SELL-OPTIONS | 0.00% | 110.00K | Jun 06 | View |
| Jun 05, 2023 | Haiping Dun | — | -37.50K | $10.00 | -$375.00K | SELL | -4.06% | 887.19K | Jun 01 | View |
| Mar 20, 2023 | Haiping Dun | — | -37.50K | $12.06 | -$452.25K | SELL | -4.05% | 889.12K | Mar 16 | View |
| Mar 13, 2023 | Lisa Feng | SEE REMARKS | 0.00 | $7.07 | -$238.53K | SELL-OPTIONS | 0.00% | 50.00K | Mar 09 | View |
| Dec 02, 2022 | Haiping Dun | — | -35.33K | $8.43 | -$297.81K | SELL | -3.82% | 890.62K | Nov 30 | View |
| Aug 24, 2022 | Haiping Dun | — | -36.54K | $16.10 | -$588.25K | SELL | -4.10% | 855.09K | Aug 22 | View |
| Aug 22, 2022 | Sotheara Cheav | SEE REMARKS | -10.00K | $17.50 | -$175.00K | SELL | -8.33% | 110.00K | Aug 18 | View |
| Aug 18, 2022 | Sotheara Cheav | SEE REMARKS | -10.00K | $11.41 | -$318.00K | SELL | -7.69% | 120.00K | Aug 16 - Aug 17 | View |
| Aug 17, 2022 | Haiping Dun | — | 73.06K | $14.63 | $704.07K | SELL-OPTIONS | 8.92% | 891.63K | Aug 15 | View |
| May 31, 2022 | Haiping Dun | — | -36.15K | $15.00 | -$542.25K | SELL | -4.06% | 855.09K | May 27 | View |
| Mar 11, 2022 | Haiping Dun | — | 0.00 | $41.79 | -$988.70K | SELL-OPTIONS | 0.00% | 297.30K | Mar 09 | View |
| Mar 11, 2022 | Mark McKechnie | SEE REMARKS | 300.00 | $39.02 | -$247.57K | SELL-OPTIONS | ∞ | 300.00 | Mar 09 - Mar 10 | View |
| Nov 22, 2021 | Mark McKechnie | SEE REMARKS | 0.00 | $53.95 | -$401.02K | SELL-OPTIONS | 0.00% | 0.00 | Nov 18 | View |
| Aug 24, 2021 | Yinan Xiang | — | -279.76K | $87.52 | -$24.48M | SELL | -19.62% | 1.15M | Aug 23 - Aug 24 | View |
| Aug 20, 2021 | Yinan Xiang | — | -26.61K | $85.12 | -$2.27M | SELL | -1.83% | 1.43M | Aug 18 | View |
| Aug 20, 2021 | Mark McKechnie | SEE REMARKS | 0.00 | $47.96 | -$341.13K | SELL-OPTIONS | 0.00% | 0.00 | Aug 19 | View |
| Aug 13, 2021 | Yinan Xiang | — | -53.62K | $85.75 | -$4.60M | SELL | -3.56% | 1.45M | Aug 11 - Aug 13 | View |
| Apr 12, 2021 | Sotheara Cheav | SEE REMARKS | -13.11K | $50.52 | -$1.51M | SELL | -23.23% | 43.33K | Apr 08 - Apr 09 | View |
| Mar 22, 2021 | David H Wang | SEE REMARKS | -99.23K | $91.24 | -$9.05M | SELL | -20.94% | 374.67K | Mar 18 - Mar 19 | View |
| Mar 16, 2021 | Sotheara Cheav | SEE REMARKS | 0.00 | $53.27 | -$1.58M | SELL-OPTIONS | 0.00% | 43.33K | Mar 15 - Mar 16 | View |
| Mar 16, 2021 | Mark McKechnie | SEE REMARKS | 0.00 | $50.87 | -$742.47K | SELL-OPTIONS | 0.00% | 0.00 | Mar 12 | View |
| Feb 16, 2021 | Tracy Liu | — | -2.00K | $120.00 | -$240.00K | SELL | -5.14% | 36.92K | Feb 12 | View |
| Feb 16, 2021 | Fuping Chen | SEE REMARKS | 0.00 | $61.50 | -$3.51M | SELL-OPTIONS | 0.00% | 0.00 | Feb 12 | View |
| Feb 16, 2021 | Chenming Hu | — | -10.00K | $120.00 | -$1.20M | SELL | -32.15% | 21.10K | Feb 12 | View |
| Feb 11, 2021 | Tracy Liu | — | -2.00K | $110.00 | -$220.00K | SELL | -4.89% | 38.92K | Feb 09 - Feb 10 | View |
| Jan 08, 2021 | Tracy Liu | — | -2.00K | $100.00 | -$200.00K | SELL | -4.66% | 40.92K | Jan 06 | View |
| Dec 31, 2020 | Jian Wang | — | -32.49K | $78.00 | -$2.53M | SELL | -27.80% | 84.39K | Dec 30 | View |
| Dec 22, 2020 | Yinan Xiang | — | -125.97K | $75.23 | -$9.48M | SELL | -7.72% | 1.51M | Dec 18 - Dec 22 | View |
| Dec 17, 2020 | Yinan Xiang | — | -34.03K | $75.51 | -$2.57M | SELL | -2.04% | 1.63M | Dec 15 - Dec 17 | View |
| Dec 07, 2020 | David H Wang | — | -98.98K | $79.83 | -$7.90M | SELL | -20.90% | 374.67K | Dec 03 - Dec 04 | View |
| Nov 20, 2020 | Mark McKechnie | — | 0.00 | $45.63 | -$432.30K | OPTION EXERCISE | 0.00% | 0.00 | Nov 19 | View |
| Nov 16, 2020 | Sotheara Cheav | — | -19.67K | $88.35 | -$1.74M | SELL | -31.22% | 43.33K | Nov 12 - Nov 13 | View |
| Sep 18, 2020 | Lisa Feng | — | 0.00 | $38.80 | -$1.00M | OPTION EXERCISE | 0.00% | 10.76K | Sep 16 | View |
| Sep 14, 2020 | Sotheara Cheav | — | 0.00 | $32.23 | -$625.86K | OPTION EXERCISE | 0.00% | 43.33K | Sep 10 - Sep 14 | View |
| Sep 04, 2020 | David H Wang | — | -69.45K | $81.36 | -$5.65M | SELL | -15.64% | 374.67K | Sep 03 - Sep 04 | View |
| Aug 31, 2020 | Mark McKechnie | — | 0.00 | $53.52 | -$363.73K | OPTION EXERCISE | 0.00% | 0.00 | Aug 27 | View |
| Aug 05, 2020 | Chenming Hu | — | -7.81K | $100.00 | -$780.60K | SELL | -100.00% | 0.00 | Aug 03 | View |
| Jul 15, 2020 | Chenming Hu | — | -14.00K | $84.15 | -$1.18M | SELL | -64.20% | 7.81K | Jul 13 | View |
| Jun 17, 2020 | Mark McKechnie | — | 0.00 | $34.09 | -$219.25K | OPTION EXERCISE | 0.00% | 0.00 | Jun 15 | View |
| Jun 05, 2020 | Chenming Hu | — | -8.19K | $65.12 | -$533.59K | SELL | -27.31% | 21.81K | Jun 03 | View |
FAQ
Is insider trading legal?
Insider trading is legal so long as the insiders report those trades to the SEC. Illegal securities trading occurs when the insider is violating a fiduciary duty or fails to report their trades.
What are some examples of market manipulation?
Insider trading, pump and dump schemes, front running and wash trades are all examples of market manipulation. Investors who track insider asset movement should think carefully about why these insiders are trading their stocks before moving forward.
Browse insider trades on all stocks.
ACMR Insider Trading News
No news found
