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Date Action Amount Person Type
Mar 14, 2024 Sell 76 478 Wang David H Class A Common Stock
Mar 14, 2024 Sell 10 611 Wang David H Class A Common Stock
Mar 14, 2024 Sell 15 877 Dun Haiping Class A Common Stock
Mar 14, 2024 Sell 3 557 Dun Haiping Class A Common Stock
Mar 14, 2024 Sell 2 617 Cheav Sotheara Class A Common Stock
Mar 14, 2024 Sell 2 383 Cheav Sotheara Class A Common Stock
Mar 13, 2024 Sell 5 000 Cheav Sotheara Class A Common Stock
Mar 08, 2024 Sell 15 000 Dun Haiping Class A Common Stock
Mar 08, 2024 Sell 45 000 Wang David H Class A Common Stock
Mar 08, 2024 Sell 45 000 Wang David H Class A Common Stock
Mar 01, 2024 Buy 180 000 Wang David H Class A Common Stock
Mar 01, 2024 Sell 2 911 Wang David H Class A Common Stock
Mar 01, 2024 Sell 180 000 Wang David H Stock Option
Mar 01, 2024 Buy 35 000 Dun Haiping Class A Common Stock
Mar 01, 2024 Sell 566 Dun Haiping Class A Common Stock
Mar 01, 2024 Sell 35 000 Dun Haiping Stock Option
Feb 28, 2024 Sell 7 500 Feng Lisa Stock Option
Feb 28, 2024 Buy 7 500 Feng Lisa Class A Common Stock
Feb 28, 2024 Sell 7 500 Feng Lisa Class A Common Stock
Feb 28, 2024 Buy 12 500 Liu Tracy Class A Common Stock
Feb 28, 2024 Sell 12 500 Liu Tracy Class A Common Stock
Feb 28, 2024 Sell 12 500 Liu Tracy Stock Option
Jan 12, 2024 Buy 10 000 Mckechnie Mark Class A Common Stock
Jan 12, 2024 Sell 10 000 Mckechnie Mark Stock Option
Jan 12, 2024 Sell 10 000 Mckechnie Mark Class A Common Stock
Dec 26, 2023 Buy 10 000 Liu Tracy Class A Common Stock
Dec 26, 2023 Sell 10 000 Liu Tracy Class A Common Stock
Dec 26, 2023 Sell 10 000 Liu Tracy Stock Option
Dec 26, 2023 Sell 7 500 Feng Lisa Stock Option
Dec 26, 2023 Buy 7 500 Feng Lisa Class A Common Stock
Dec 26, 2023 Sell 7 500 Feng Lisa Class A Common Stock
Nov 29, 2023 Sell 18 984 Dun Haiping Class A Common Stock
Nov 29, 2023 Sell 45 000 Wang David H Class A Common Stock
Nov 29, 2023 Sell 39 776 Wang David H Class A Common Stock
Nov 22, 2023 Sell 45 000 Wang David H Class A Common Stock
Nov 22, 2023 Sell 45 000 Wang David H Class A Common Stock
Nov 22, 2023 Sell 15 000 Dun Haiping Class A Common Stock
Nov 20, 2023 Buy 15 000 Liu Tracy Class A Common Stock
Nov 20, 2023 Sell 15 000 Liu Tracy Class A Common Stock
Nov 20, 2023 Sell 15 000 Liu Tracy Stock Option
Nov 14, 2023 Sell 180 000 Wang David H Stock Option
Nov 14, 2023 Buy 180 000 Wang David H Class A Common Stock
Nov 14, 2023 Sell 5 224 Wang David H Class A Common Stock
Nov 14, 2023 Buy 35 000 Dun Haiping Class A Common Stock
Nov 14, 2023 Sell 1 016 Dun Haiping Class A Common Stock
Nov 14, 2023 Sell 35 000 Dun Haiping Stock Option
Nov 13, 2023 Buy 12 500 Cheav Sotheara Class A Common Stock
Nov 13, 2023 Buy 13 500 Cheav Sotheara Class A Common Stock
Nov 13, 2023 Sell 26 000 Cheav Sotheara Class A Common Stock
Nov 13, 2023 Sell 12 500 Cheav Sotheara Stock Option
Nov 13, 2023 Sell 13 500 Cheav Sotheara Stock Option
Oct 11, 2023 Sell 11 250 Mckechnie Mark Stock Option
Oct 11, 2023 Buy 11 250 Mckechnie Mark Class A Common Stock
Oct 11, 2023 Sell 11 250 Mckechnie Mark Class A Common Stock
Sep 13, 2023 Sell 85 116 Wang David H Class A Common Stock
Sep 12, 2023 Sell 86 427 Wang David H Class A Common Stock
Sep 12, 2023 Sell 3 573 Wang David H Class A Common Stock
Sep 04, 2023 Sell 180 000 Wang David H Stock Option
Sep 04, 2023 Buy 180 000 Wang David H Class A Common Stock
Sep 04, 2023 Sell 4 884 Wang David H Class A Common Stock
Sep 01, 2023 Buy 30 000 Mckechnie Mark Class A Common Stock
Sep 01, 2023 Sell 30 000 Mckechnie Mark Stock Option
Sep 01, 2023 Sell 30 000 Mckechnie Mark Class A Common Stock
Aug 23, 2023 Sell 8 835 Chen Fuping Stock Option
Aug 23, 2023 Buy 8 835 Chen Fuping Class A Common Stock
Aug 23, 2023 Buy 96 165 Chen Fuping Class A Common Stock
Aug 23, 2023 Sell 105 000 Chen Fuping Class A Common Stock
Aug 23, 2023 Sell 50 001 Chen Fuping Stock Option
Aug 22, 2023 Sell 32 098 Dun Haiping Class A Common Stock
Aug 10, 2023 Sell 30 000 Dun Haiping Stock Option
Aug 10, 2023 Sell 24 000 Dun Haiping Stock Option
Aug 10, 2023 Sell 1 080 000 Wang David H Stock Option
Aug 10, 2023 Sell 300 000 Mckechnie Mark Stock Option
Aug 10, 2023 Sell 30 000 Liu Tracy Stock Option
Aug 10, 2023 Sell 24 000 Liu Tracy Stock Option
Aug 10, 2023 Sell 24 000 Xing Xiao Stock Option
Aug 10, 2023 Sell 100 000 Feng Lisa Stock Option
Aug 10, 2023 Sell 24 000 Hu Chenming Stock Option
Aug 10, 2023 Sell 100 000 Cheav Sotheara Stock Option
Aug 10, 2023 Sell 30 000 Dun Haiping Stock Option
Aug 10, 2023 Sell 24 000 Dun Haiping Stock Option
Aug 10, 2023 Sell 100 000 Cheav Sotheara Stock Option
Aug 10, 2023 Sell 100 000 Feng Lisa Stock Option
Aug 10, 2023 Sell 1 080 000 Wang David H Stock Option
Aug 10, 2023 Sell 300 000 Mckechnie Mark Stock Option
Aug 10, 2023 Sell 30 000 Liu Tracy Stock Option
Aug 10, 2023 Sell 24 000 Liu Tracy Stock Option
Aug 10, 2023 Sell 24 000 Hu Chenming Stock Option
Aug 10, 2023 Sell 24 000 Xing Xiao Stock Option
Jul 03, 2023 Buy 22 500 Feng Lisa Class A Common Stock
Jul 03, 2023 Sell 22 500 Feng Lisa Class A Common Stock
Jul 03, 2023 Sell 22 500 Feng Lisa Stock Option
Jun 06, 2023 Buy 16 500 Cheav Sotheara Class A Common Stock
Jun 06, 2023 Buy 22 500 Cheav Sotheara Class A Common Stock
Jun 06, 2023 Sell 39 000 Cheav Sotheara Class A Common Stock
Jun 06, 2023 Sell 16 500 Cheav Sotheara Stock Option
May 29, 2023 Sell 0 Shanghai Science & Technology Venture Capital (group) Co., Ltd. Common Stock
May 29, 2023 Buy 0 Shanghai Science & Technology Venture Capital (group) Co., Ltd. Common stock
May 29, 2023 Buy 0 Shanghai Science & Technology Venture Capital (group) Co., Ltd. Common Stock
May 29, 2023 Buy 0 Shanghai Science & Technology Venture Capital (group) Co., Ltd. Common stock
INSIDER POWER
-64.140
Last 100 transactions
Buy: 906 250 | Sell: 5 257 934 (Shares)

Based on the 100 latest insides trades, we have calculated the insider power to be negative at a ratio of -64.140.

In total, the insiders bought 906 250 and sold 5 257 934 ACMR shares in the last 100 trades.

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About ACM Research Inc. Class A

ACM Research. Class A ACM Research, Inc., together with its subsidiaries, develops, manufactures, and sells single-wafer wet cleaning equipment for enhancing the manufacturing process and yield for integrated chips worldwide. It offers space alternated phase shift technology for flat and patterned wafer surfaces, which employs alternating phases of megasonic waves to deliver megasonic energy in a uniform manner on a microscopic level; timely energized bubble oscillati... ACMR Profile

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StockInvest.us featured in The Global Fintech Index 2020 as the top Fintech company of the country.

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