David H. Wang serves as Executive at ACM Research, Inc., where they oversee executive responsibilities. Since joining the company, David H. Wang has executed 54 insider transactions totaling $45.7M, demonstrating a bearish approach to their equity position. Their most recent transaction on Dec 4, 2025 involved exercising options for 60,000 shares valued at $60.0K.
David H. Wang currently holds 862,708 shares of ACM Research, Inc. (ACMR), valued at approximately $0. This represents their equity stake as Executive.
Based on SEC Form 4 filings, David H. Wang has been a net seller of ACMR stock. They have purchased $0 and sold $45.7M worth of shares.
David H. Wang's most recent insider trade was on Dec 4, 2025, when they sold 60,000 shares at $1.00 per share.
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| $33.52 |
| Discretionary |
| Dec 4, 2025 | ACMR | $1.4M | Sale | 40,183 | $34.42 | Discretionary |
| Dec 3, 2025 | ACMR | $70.0K | Option Exercise | 70,000 | $1.00 | Discretionary |
| Dec 3, 2025 | ACMR | $40.3K | Sale | 1,200 | $33.56 | Discretionary |
| Dec 3, 2025 | ACMR | $2.3M | Sale | 68,800 | $33.05 | Discretionary |
| Sep 8, 2025 | ACMR | $130.0K | Option Exercise | 130,000 | $1.00 | Discretionary |
| Sep 4, 2025 | ACMR | $60.0K | Option Exercise | 60,000 | $1.00 | Discretionary |
| Sep 4, 2025 | ACMR | $1.6M | Sale | 60,000 | $26.44 | Discretionary |
| Sep 3, 2025 | ACMR | $70.0K | Option Exercise | 70,000 | $1.00 | Discretionary |
| Sep 3, 2025 | ACMR | $1.8M | Sale | 66,057 | $26.73 | Discretionary |
| Sep 3, 2025 | ACMR | $107.7K | Sale | 3,943 | $27.31 | Discretionary |
| May 29, 2024 | ACMR | $929.5K | Sale | 41,090 | $22.62 | Planned |
| May 29, 2024 | ACMR | $1.0M | Sale | 45,000 | $22.62 | Planned |
| May 22, 2024 | ACMR | $1.0M | Sale | 45,000 | $22.81 | Planned |
| May 22, 2024 | ACMR | $1.0M | Sale | 45,000 | $22.81 | Planned |
| May 14, 2024 | ACMR | $90.0K | Option Exercise | 180,000 | $0.50 | Discretionary |
| May 14, 2024 | ACMR | $90.0K | Payment | 3,910 | $23.02 | Discretionary |
| Mar 14, 2024 | ACMR | $2.1M | Sale | 76,478 | $27.51 | Planned |
| Mar 14, 2024 | ACMR | $301.1K | Sale | 10,611 | $28.38 | Planned |
| Mar 8, 2024 | ACMR | $1.4M | Sale | 45,000 | $30.36 | Planned |
| Mar 8, 2024 | ACMR | $1.4M | Sale | 45,000 | $30.35 | Planned |
| Mar 1, 2024 | ACMR | $90.0K | Option Exercise | 180,000 | $0.50 | Discretionary |
| Mar 1, 2024 | ACMR | $90.0K | Payment | 2,911 | $30.92 | Discretionary |
| Nov 29, 2023 | ACMR | $681.4K | Sale | 39,776 | $17.13 | Planned |
| Nov 29, 2023 | ACMR | $771.3K | Sale | 45,000 | $17.14 | Planned |
| Nov 22, 2023 | ACMR | $795.1K | Sale | 45,000 | $17.67 | Planned |
| Nov 22, 2023 | ACMR | $795.6K | Sale | 45,000 | $17.68 | Planned |
| Nov 14, 2023 | ACMR | $90.0K | Option Exercise | 180,000 | $0.50 | Discretionary |
| Nov 14, 2023 | ACMR | $90.0K | Payment | 5,224 | $17.23 | Discretionary |