Dun Haiping (CIK 0001721581)

Latest company ownership

Role: Director
Shares held
755,090
Last filed at
Nov 14, 2025
Confidence Score
49.8
2025Q4
Confidence Score History
2019Q3 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Mar 14, 2025 Mar 18, 2025 ACM Research, Inc. Director Sell 42.5 -9,518 -1.10% $276K
Mar 10, 2025 Mar 12, 2025 ACM Research, Inc. Director Sell 42.5 -15,001 -1.71% $398.1K
Mar 3, 2025 Mar 5, 2025 ACM Research, Inc. Director Sell 51.3 -482 -0.05% $12.5K
Nov 29, 2024 Dec 3, 2024 ACM Research, Inc. Director Sell 38.8 -19,058 -2.18% $332.2K
Nov 22, 2024 Nov 26, 2024 ACM Research, Inc. Director Sell 42.5 -15,000 -1.69% $286.8K
Nov 14, 2024 Nov 18, 2024 ACM Research, Inc. Director Sell 51.3 -942 -0.11% $17.5K
Aug 29, 2024 Sep 3, 2024 ACM Research, Inc. Director Sell 38.8 -19,097 -2.18% $345.3K
Aug 22, 2024 Aug 26, 2024 ACM Research, Inc. Director Sell 42.5 -15,000 -1.69% $297.8K
Aug 14, 2024 Aug 16, 2024 ACM Research, Inc. Director Sell 51.3 -903 -0.10% $17.5K
May 29, 2024 May 31, 2024 ACM Research, Inc. Director Sell 38.8 -19,239 -2.20% $435.4K
May 22, 2024 May 24, 2024 ACM Research, Inc. Director Sell 42.5 -15,000 -1.69% $343.2K
May 14, 2024 May 16, 2024 ACM Research, Inc. Director Sell 51.3 -761 -0.09% $17.5K
Mar 14, 2024 Mar 15, 2024 ACM Research, Inc. Director Sell 38.8 -19,434 -2.22% $538.4K
Mar 8, 2024 Mar 12, 2024 ACM Research, Inc. Director Sell 42.5 -15,000 -1.69% $455.4K
Mar 1, 2024 Mar 5, 2024 ACM Research, Inc. Director Sell 51.3 -566 -0.06% $17.5K
Nov 29, 2023 Dec 1, 2023 ACM Research, Inc. Director Sell 38.8 -18,984 -2.17% $327.5K
Nov 22, 2023 Nov 27, 2023 ACM Research, Inc. Director Sell 42.5 -15,000 -1.69% $264.9K
Nov 14, 2023 Nov 16, 2023 ACM Research, Inc. Director Sell 51.3 -1,016 -0.11% $17.5K
Aug 22, 2023 Aug 24, 2023 ACM Research, Inc. Director Sell 35.0 -32,098 -3.62% $444.6K
Jun 1, 2023 Jun 5, 2023 ACM Research, Inc. Director Sell 35.0 -37,500 -4.06% $375K
May 22, 2023 May 24, 2023 ACM Research, Inc. Director Sell 43.8 -1,928 -0.21% $18.8K
Mar 16, 2023 Mar 20, 2023 ACM Research, Inc. Director Sell 35.0 -37,500 -4.05% $452.3K
Mar 9, 2023 Mar 13, 2023 ACM Research, Inc. Director Sell 51.3 -1,504 -0.16% $18.8K
Nov 30, 2022 Dec 2, 2022 ACM Research, Inc. Director Sell 35.0 -35,327 -3.82% $297.8K
Nov 22, 2022 Nov 25, 2022 ACM Research, Inc. Director Sell 43.8 -2,173 -0.23% $18.8K
Nov 14, 2022 Nov 15, 2022 ACM Research, Inc. Director Sell 43.8 -1,970 -0.22% $18.8K
Aug 22, 2022 Aug 24, 2022 ACM Research, Inc. Director Sell 35.0 -36,537 -4.10% $588.2K
Aug 15, 2022 Aug 17, 2022 ACM Research, Inc. Director Buy 85.0 +35,556 1.99% $685.3K
Aug 8, 2022 Aug 10, 2022 ACM Research, Inc. Director Sell 51.3 -981 -0.11% $18.8K
May 27, 2022 May 31, 2022 ACM Research, Inc. Director Sell 35.0 -36,150 -4.06% $542.3K
May 18, 2022 May 20, 2022 ACM Research, Inc. Director Sell 51.3 -1,350 -0.15% $18.8K
Mar 9, 2022 Mar 11, 2022 ACM Research, Inc. Director Sell 32.5 -12,269 -3.96% $1M
Mar 2, 2022 Mar 4, 2022 ACM Research, Inc. Director Sell 51.3 -231 -0.08% $18.8K
Aug 23, 2019 Aug 27, 2019 ACM Research, Inc. Director Sell 20.0 -28,661 -9.14% $378.2K