David H. Wang's most recent trade in ACM Research Inc - Ordinary Shares - Class A was a trade of 70,000 Stock Option done . Disclosure was reported to the exchange on May 21, 2025.
| Stock | Client Name | Client Category | Action | Reported to Exchange | Quantity | Post Transaction Holding | Traded % | Avg. Price | Value | Security Type |
|---|---|---|---|---|---|---|---|---|---|---|
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 21 May 2025 | 70,000 | 930,002 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.00 per share. | 21 May 2025 | 70,000 | 742,708 (4%) | 0% | 1 | 70,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 23.60 per share. | 21 May 2025 | 69,992 | 672,716 (4%) | 0% | 23.6 | 1,651,811 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 21 May 2025 | 60,000 | 870,002 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 22.63 per share. | 21 May 2025 | 60,000 | 672,708 (4%) | 0% | 22.6 | 1,357,800 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 1.00 per share. | 21 May 2025 | 60,000 | 732,708 (4%) | 0% | 1 | 60,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 24.00 per share. | 21 May 2025 | 8 | 672,708 (4%) | 0% | 24 | 192 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 26.57 per share. | 11 Mar 2025 | 56,250 | 747,708 (4%) | 0% | 26.6 | 1,494,563 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 27.42 per share. | 11 Mar 2025 | 37,500 | 710,208 (4%) | 0% | 27.4 | 1,028,250 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 27.29 per share. | 11 Mar 2025 | 36,481 | 673,727 (4%) | 0% | 27.3 | 995,566 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 27.65 per share. | 11 Mar 2025 | 1,019 | 672,708 (4%) | 0% | 27.6 | 28,175 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.50 per share. | 03 Mar 2025 | 210,000 | 808,006 (4%) | 1% | 0.5 | 105,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 03 Mar 2025 | 210,000 | 0 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 25.94 per share. | 03 Mar 2025 | 4,048 | 803,958 (4%) | 0% | 25.9 | 105,005 | Class A Common Stock |
| Photronics, Inc. | Hsueh-Chun David Wang | SVP/COO IC & US/EU Mnstrm Ops | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 03 Jan 2025 | 38,000 | 136,250 (0%) | 0% | 0 | COMMON STOCK | |
| ACM Research Inc Ordinary | Wang David H. | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 17.44 per share. | 29 Nov 2024 | 56,250 | 598,006 (3%) | 0% | 17.4 | 981,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 17.80 per share. | 26 Nov 2024 | 46,766 | 663,740 (4%) | 0% | 17.8 | 832,435 | Class A Common Stock |
| ACM Research Inc Ordinary | Wang David H. | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 18.31 per share. | 26 Nov 2024 | 9,484 | 654,256 (4%) | 0% | 18.3 | 173,652 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 19.08 per share. | 22 Nov 2024 | 56,250 | 710,506 (4%) | 0% | 19.1 | 1,073,250 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.50 per share. | 14 Nov 2024 | 270,000 | 774,018 (4%) | 1% | 0.5 | 135,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 Nov 2024 | 270,000 | 210,000 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 18.59 per share. | 14 Nov 2024 | 7,262 | 766,756 (4%) | 0% | 18.6 | 135,001 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 22.62 per share. | 29 May 2024 | 45,000 | 545,108 (3%) | 0% | 22.6 | 1,017,900 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 22.62 per share. | 29 May 2024 | 41,090 | 504,018 (3%) | 0% | 22.6 | 929,456 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 22.81 per share. | 22 May 2024 | 45,000 | 635,108 (3%) | 0% | 22.8 | 1,026,450 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 22.81 per share. | 22 May 2024 | 45,000 | 590,108 (3%) | 0% | 22.8 | 1,026,450 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.50 per share. | 14 May 2024 | 180,000 | 684,018 (4%) | 1% | 0.5 | 90,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 14 May 2024 | 180,000 | 480,000 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 23.02 per share. | 14 May 2024 | 3,910 | 680,108 (4%) | 0% | 23.0 | 90,008 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 27.51 per share. | 14 Mar 2024 | 76,478 | 514,629 (3%) | 0% | 27.5 | 2,103,910 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 28.38 per share. | 14 Mar 2024 | 10,611 | 504,018 (3%) | 0% | 28.4 | 301,140 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 30.36 per share. | 08 Mar 2024 | 45,000 | 636,107 (3%) | 0% | 30.4 | 1,366,200 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 30.35 per share. | 08 Mar 2024 | 45,000 | 591,107 (3%) | 0% | 30.4 | 1,365,750 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.50 per share. | 01 Mar 2024 | 180,000 | 684,018 (4%) | 1% | 0.5 | 90,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 01 Mar 2024 | 180,000 | 660,000 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See Remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 30.92 per share. | 01 Mar 2024 | 2,911 | 681,107 (4%) | 0% | 30.9 | 90,008 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Grant, award, or other acquisition of securities at price $ 0.00 per share. | 10 Aug 2023 | 1,080,000 | 1,080,000 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 91.92 per share. | 18 Mar 2021 | 50,000 | 217,234 (1%) | 0% | 91.9 | 4,596,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 90.55 per share. | 18 Mar 2021 | 49,228 | 168,006 (1%) | 0% | 90.5 | 4,457,595 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.75 per share. | 12 Mar 2021 | 100,001 | 268,007 (1%) | 0% | 0.8 | 75,001 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 12 Mar 2021 | 100,001 | 0 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 97.05 per share. | 12 Mar 2021 | 773 | 267,234 (1%) | 0% | 97.1 | 75,020 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 77.14 per share. | 03 Dec 2020 | 49,322 | 168,006 (1%) | 0% | 77.1 | 3,804,699 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 82.50 per share. | 03 Dec 2020 | 32,995 | 217,328 (1%) | 0% | 82.5 | 2,722,088 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Sale of securities on an exchange or to another person at price $ 82.50 per share. | 03 Dec 2020 | 16,666 | 250,323 (1%) | 0% | 82.5 | 1,374,945 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 25 Nov 2020 | 66,666 | 100,001 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.75 per share. | 25 Nov 2020 | 66,666 | 267,667 (1%) | 0% | 0.8 | 50,000 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.00 per share. | 25 Nov 2020 | 33,334 | 0 | - | - | Stock Option | |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Exercise or conversion of derivative security received from the company (such as an option) at price $ 0.75 per share. | 25 Nov 2020 | 33,334 | 201,340 (1%) | 0% | 0.8 | 25,001 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 73.76 per share. | 25 Nov 2020 | 678 | 266,989 (1%) | 0% | 73.8 | 50,009 | Class A Common Stock |
| ACM Research Inc Ordinary | David H. Wang | Director, See remarks, Ten Percent Owner | Payment of exercise price or tax liability using portion of securities received from the company at price $ 73.76 per share. | 25 Nov 2020 | 339 | 201,001 (1%) | 0% | 73.8 | 25,005 | Class A Common Stock |