| 2026-05-19 | Dr. Haiping DunLead Independent Director | -5,00k | 303,11k | Derivative Exercise and Sale | 5,60 - 67,54 | 855,09k | - |
| 2026-04-17 | Mr. Charles PappisIndependent Director | -5,00k | 114,10k | Derivative Exercise and Sale | 29,18 - 52,00 | 0,00 | - |
| 2026-03-12 | Mr. Mark A. McKechnieCFO, Exec. VP, Secretary & Treasurer | -98,55k | 2,91M | Derivative Exercise and Sale | 13,89 - 46,57 | 900,00 | - |
| 2026-03-11 | Dr. Hui WangFounder, Chairman, CEO & President | -110,00k | 5,04M | Derivative Exercise and Sale | 1,00 - 48,34 | 1,75M | - |
| 2026-03-10 | Ms. Dong LiuIndependent Non-Employee Director | -60,00k | 2,79M | Derivative Exercise and Sale | 1,00 - 48,25 | 110,77k | - |
| 2026-03-09 | Dr. Haiping DunLead Independent Director | -5,00k | 189,36k | Derivative Exercise and Sale | 5,60 - 43,94 | 855,09k | - |
| 2026-03-05 | Ms. Yi Lu FengCFO of ACM Research (Shanghai), Inc. | -30,00k | 1,30M | Derivative Exercise and Sale | 4,55 - 50,24 | 50,00k | - |
| 2026-03-05 | Mr. Charles PappisIndependent Director | -5,00k | 104,55k | Derivative Exercise and Sale | 29,18 - 50,09 | - | - |
| 2025-12-04 | Mr. Mark A. McKechnieCFO, Exec. VP, Secretary & Treasurer | -31,25k | 479,07k | Derivative Exercise and Sale | 4,55 - 35,45 | 900,00 | - |
| 2025-12-03 | Dr. Hui WangFounder, Chairman, CEO & President | -130,00k | 4,23M | Derivative Exercise and Sale | 1,00 - 34,42 | 1,75M | - |
| 2025-12-02 | Mr. Fuping ChenInsider | -120,00k | 3,77M | Derivative Exercise and Sale | 1,77 - 33,57 | 0,00 | - |
| 2025-11-12 | Dr. Haiping DunLead Independent Director | -755,09k | 0,00 | Other Disposition | - | 855,09k | -46,89% |
| 2025-11-12 | Ms. Yi Lu FengCFO of ACM Research (Shanghai), Inc. | -30,00k | 829,95k | Derivative Exercise and Sale | 5,60 - 33,77 | 50,00k | - |
| 2025-09-08 | Dr. Hui WangFounder, Chairman, CEO & President | 130,00k | 130,00k | Derivative Exercise and Retained Stock | 1,00 | 1,75M | 8,03% |
| 2025-09-18 | Mr. Jian WangCEO and President of ACM Research (Shanghai), Inc. | -30,00k | 882,00k | Derivative Exercise and Sale | 5,60 - 35,00 | 253,16k | - |
| 2025-09-17 | Ms. Dong LiuIndependent Non-Employee Director | -15,00k | 480,00k | Derivative Exercise and Sale | 1,00 - 33,00 | 110,77k | - |
| 2025-09-18 | Mr. Sotheara CheavSVP of Manufacturing | -10,00k | 211,10k | Derivative Exercise and Sale | 13,89 - 35,00 | 100,00k | - |
| 2025-09-03 | Dr. Hui WangFounder, Chairman, CEO & President | -130,00k | 3,33M | Derivative Exercise and Sale | 1,00 - 27,31 | 1,62M | - |
| 2025-08-22 | Mr. Sotheara CheavSVP of Manufacturing | -11,15k | 179,66k | Derivative Exercise and Sale | 13,89 - 30,00 | 100,00k | - |
| 2025-08-22 | Mr. Jian WangCEO and President of ACM Research (Shanghai), Inc. | -60,00k | 1,52M | Derivative Exercise and Sale | 5,60 - 32,00 | 253,16k | - |
| 2025-07-15 | Ms. Dong LiuIndependent Non-Employee Director | -15,00k | 435,00k | Derivative Exercise and Sale | 1,00 - 30,00 | 110,77k | - |
| 2025-07-07 | Ms. Yi Lu FengCFO of ACM Research (Shanghai), Inc. | -15,00k | 336,00k | Derivative Exercise and Sale | 5,60 - 28,00 | 50,00k | - |
| 2025-06-24 | Ms. Yi Lu FengCFO of ACM Research (Shanghai), Inc. | -15,00k | 306,00k | Derivative Exercise and Sale | 5,60 - 26,00 | 50,00k | - |