Acm Research Inc (ACMR) Insider Trading

Total insider buys:
  • $0.00
Total insider sells:
  • $105,061,620.36
Most recent insider trade:
  • June 24, 2025
Most active insider trader:
  • David H Wang
Trader NameDateTitleAmountPriceTypeTotal Value
Aug. 23, 2021Director35,136$85.03Sell$2,987,614.08
Aug. 19, 2021Insider5,000$82.08Sell$410,400.00
Aug. 18, 2021Director26,612$85.12Sell$2,265,213.44
Aug. 13, 2021Director3,623$85.10Sell$308,317.30
Aug. 11, 2021Director30,000$86.11Sell$2,583,300.00
April 8, 2021Insider5,000$88.66Sell$443,300.00
March 18, 2021Insider50,000$91.92Sell$4,596,000.00
March 16, 2021Insider10,000$93.69Sell$936,900.00
March 12, 2021Insider10,028$87.89Sell$881,360.92
Feb. 12, 2021Director2,000$120.00Sell$240,000.00
Feb. 12, 2021Insider30,000$120.00Sell$3,600,000.00
Feb. 9, 2021Director400$110.00Sell$44,000.00
Jan. 6, 2021Director2,000$100.00Sell$200,000.00
Dec. 30, 2020Insider32,486$78.00Sell$2,533,908.00
Dec. 17, 2020Director3,214$75.02Sell$241,114.28
Dec. 15, 2020Director30,821$75.56Sell$2,328,834.76
Dec. 4, 2020Major Shareholder98,983$79.83Sell$7,901,812.89
Nov. 19, 2020Insider7,500$74.45Sell$558,375.00
Nov. 12, 2020Insider10,000$88.63Sell$886,300.00
Sept. 16, 2020Insider15,000$72.30Sell$1,084,500.00
Sept. 14, 2020Insider4,941$66.70Sell$329,564.70
Sept. 10, 2020Insider5,000$60.75Sell$303,750.00
Sept. 4, 2020Major Shareholder69,453$81.36Sell$5,650,696.08
Aug. 27, 2020Insider4,585$93.18Sell$427,230.30
Aug. 3, 2020Director7,806$100.00Sell$780,600.00
July 13, 2020Director14,000$84.15Sell$1,178,100.00
June 15, 2020Insider5,415$54.34Sell$294,251.10
June 3, 2020Director8,194$65.12Sell$533,593.28
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  • Insiders are selling Acm Research Inc stock.

  • The insider traders at Acm Research Inc are: David H Wang, Haiping Dun, Mark Mckechnie, Sotheara Cheav, Yinan Xiang, Lisa Feng, Tracy Liu, Chenming Hu, Xiao Xing, Jian Wang, Science & Technology Shanghai, and Fuping Chen

  • The most active insider trader at Acm Research Inc is David H Wang with 14 trades.

  • David H Wang has sold the most Acm Research Inc stock with a total value of $37,063,239.77.

  • The most recent insider trade for Acm Research Inc was on June 24, 2025.

  • The single biggest insider sell for Acm Research Inc was from Xiao Xing with a total value of $14,987,000.00 on Oct. 4, 2024.