Cheav Sotheara (CIK 1721279) reported 13 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-06-05). Recent activity: Buy ACMR (13,351 shares), Sell ACMR (1,300 shares), Sell ACMR (9,212 shares), Sell ACMR (2,839 shares), Buy ACMR (5,399 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Buy | 13,351 | $185,445 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 1,300 | $109,304 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 9,212 | $784,033 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 2,839 | $243,501 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Buy | 5,399 | $74,992 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 2,384 | $194,844 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 968 | $79,966 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 400 | $33,604 |
| 2026-06-05 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 1,647 | $140,670 |
| 2025-09-19 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Buy | 10,000 | $138,900 |
| 2025-09-19 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 10,000 | $350,000 |
| 2025-08-26 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Buy | 11,152 | $154,901 |
| 2025-08-26 | ACM Research, Inc. (ACMR) | Senior Vice President, Manufacturing of ACM Research (Shanghai), Inc., a subsidiary of the Issuer | Sell | 11,152 | $334,560 |
来源：SEC Form 4 申报文件 · 截至 2026-06-05