Dun Haiping - Insider Non-Derivative Transactions at ACM Research, Inc. (ACMR) - (SEC)
Updated on January 3, 2026.
According to recent SEC insider information filed on Nov 12, 2025, Dun Haiping's relationship to ACM Research, Inc. (ACMR) is Director, and currently has 0 shares of Class A Common Stock, and 0 shares of Class B Common Stock.
The charts below show the number of shares owned, and the table shows the recent insider transactions.
You can see similar information for other ACMR insiders.
Related Topics: SEC Topic List.
Data Source: SEC.
Dun Haiping - Insider Non-Derivative Transactions of ACMR Class A Common Stock
Dun Haiping - Insider Non-Derivative Transactions at ACMR
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| Date | Transaction | No. of Shares | Price Per Share | Shares Owned After Transactions |
|---|---|---|---|---|
| Nov 13, 2025 | G -- (Class A Common Stock) | 755090 | 0 | 0 |
| Mar 15, 2025 | Sell -- (Class A Common Stock) | 7062 | 29.23 | 755090 |
| Mar 15, 2025 | Sell -- (Class A Common Stock) | 2456 | 28.32 | 762152 |
| Mar 11, 2025 | Sell -- (Class A Common Stock) | 15001 | 26.54 | 764608 |
| Mar 4, 2025 | F -- (Class A Common Stock) | 482 | 25.94 | 779609 |
| Mar 4, 2025 | M -- (Class A Common Stock) | 25001 | 0.5 | 780091 |
| Nov 30, 2024 | Sell -- (Class A Common Stock) | 19058 | 17.43 | 755090 |
| Nov 23, 2024 | Sell -- (Class A Common Stock) | 15000 | 19.12 | 774148 |
| Nov 15, 2024 | F -- (Class A Common Stock) | 942 | 18.59 | 789148 |
| Nov 15, 2024 | M -- (Class A Common Stock) | 35000 | 0.5 | 790090 |
| Aug 30, 2024 | Sell -- (Class A Common Stock) | 19097 | 18.08 | 755090 |
| Aug 23, 2024 | Sell -- (Class A Common Stock) | 15000 | 19.85 | 774187 |
| Aug 15, 2024 | F -- (Class A Common Stock) | 903 | 19.38 | 789187 |
| Aug 15, 2024 | M -- (Class A Common Stock) | 35000 | 0.5 | 790090 |
| Jun 28, 2024 | G -- (Class B Common Stock) | 300000 | 0 | 0 |
| Jun 28, 2024 | G -- (Class A Common Stock) | 100000 | 0 | 755090 |
| May 30, 2024 | Sell -- (Class A Common Stock) | 19239 | 22.63 | 855090 |
| May 23, 2024 | Sell -- (Class A Common Stock) | 15000 | 22.88 | 874329 |
| May 15, 2024 | F -- (Class A Common Stock) | 761 | 23.02 | 889329 |
| May 15, 2024 | M -- (Class A Common Stock) | 35000 | 0.5 | 890090 |
| Mar 15, 2024 | Sell -- (Class A Common Stock) | 3557 | 28.34 | 855090 |
| Mar 15, 2024 | Sell -- (Class A Common Stock) | 15877 | 27.56 | 858647 |
| Mar 9, 2024 | Sell -- (Class A Common Stock) | 15000 | 30.36 | 874524 |
| Mar 2, 2024 | F -- (Class A Common Stock) | 566 | 30.92 | 889524 |
| Mar 2, 2024 | M -- (Class A Common Stock) | 35000 | 0.5 | 890090 |
| Nov 30, 2023 | Sell -- (Class A Common Stock) | 18984 | 17.25 | 855090 |
| Nov 23, 2023 | Sell -- (Class A Common Stock) | 15000 | 17.66 | 874074 |
| Nov 15, 2023 | F -- (Class A Common Stock) | 1016 | 17.23 | 889074 |
| Nov 15, 2023 | M -- (Class A Common Stock) | 35000 | 0.5 | 890090 |
| Aug 23, 2023 | Sell -- (Class A Common Stock) | 32098 | 13.85 | 855090 |
| Jun 2, 2023 | Sell -- (Class A Common Stock) | 37500 | 10 | 887188 |
| May 23, 2023 | F -- (Class A Common Stock) | 1928 | 9.73 | 924688 |
| May 23, 2023 | M -- (Class A Common Stock) | 37500 | 0.5 | 926616 |
| Mar 17, 2023 | Sell -- (Class A Common Stock) | 37500 | 12.06 | 889116 |
| Mar 10, 2023 | F -- (Class A Common Stock) | 1504 | 12.47 | 926616 |
| Mar 10, 2023 | M -- (Class A Common Stock) | 37500 | 0.5 | 928120 |
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