Wang Jian sold ACM Research Inc. (ACMR) shares on the open market three times in the last year, totaling $2.91 million. His most recent sale occurred on September 18, 2025. These sales rank 2,784th among 11,678 individual insiders, below the average of $8.59 million per seller and 6.4 transactions. Wang Jian made no open market purchases in this period.
| Transaction Date | Company | Ticker | Insider Name | Title | Transaction Type | Security | Shares | Price | Shares Owned Following | Total Shares Outstanding | % of Owned | % of Outstanding |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sept. 18, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $5.60 | 283,158.0000 | 66,237,424 | 11.85% | 0.05% |
| Sept. 18, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 30000 | $35.00 | 253,158.0000 | 66,237,424 | 10.59% | 0.05% |
| Sept. 18, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 0.0000 | 66,237,424 | 100.00% | 0.05% |
| Aug. 25, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 30000 | $32.00 | 253,158.0000 | 66,237,424 | 10.59% | 0.05% |
| Aug. 22, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 60,000.0000 | 66,237,424 | 33.33% | 0.05% |
| Aug. 25, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 30,000.0000 | 66,237,424 | 50.00% | 0.05% |
| Aug. 22, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $5.60 | 283,158.0000 | 66,237,424 | 11.85% | 0.05% |
| Aug. 22, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 30000 | $30.00 | 253,158.0000 | 66,237,424 | 10.59% | 0.05% |
| Aug. 25, 2025 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $5.60 | 283,158.0000 | 66,237,424 | 11.85% | 0.05% |
| June 11, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 28320 | $22.98 | 254,838.0000 | 64,870,543 | 10.00% | 0.04% |
| June 11, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 1680 | $23.68 | 253,158.0000 | 64,870,543 | 0.66% | 0.00% |
| June 10, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $4.62 | 283,158.0000 | 64,870,543 | 11.85% | 0.05% |
| June 10, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 30,000.0000 | 64,870,543 | 50.00% | 0.05% |
| June 11, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 0.0000 | 64,870,543 | 100.00% | 0.05% |
| June 10, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 30000 | $22.07 | 253,158.0000 | 64,870,543 | 10.59% | 0.05% |
| June 11, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $4.62 | 283,158.0000 | 64,870,543 | 11.85% | 0.05% |
| June 6, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 90,000.0000 | 64,870,543 | 25.00% | 0.05% |
| June 6, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $4.62 | 283,158.0000 | 64,870,543 | 11.85% | 0.05% |
| June 6, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 30000 | $22.92 | 253,158.0000 | 64,870,543 | 10.59% | 0.05% |
| June 7, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Class A Common Stock | 30000 | $4.62 | 283,158.0000 | 64,870,543 | 11.85% | 0.05% |
| June 7, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | S | Class A Common Stock | 30000 | $22.07 | 253,158.0000 | 64,870,543 | 10.59% | 0.05% |
| June 7, 2024 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | M | Stock Option | 30000 | $0.00 | 60,000.0000 | 64,870,543 | 33.33% | 0.05% |
| Feb. 12, 2023 | ACM Research, Inc. | $ACMR | Wang Jian | See remarks | A | Stock Option | 15000 | $0.00 | 15,000.0000 | 65,341,771 | 9999.99% | 0.02% |