Dun Haiping
Insider trading activity for Dun Haiping sourced from SEC EDGAR Form 4 filings.
Overview
- Company: ACM Research, Inc.
- Total insider trades: 10
- Total buy volume: $28K
- Total sell volume: $737K
- Last trade: Aug 20, 2026
Recent Trades
| Date | Insider | Ticker / Company | Type | Shares | Value |
|---|---|---|---|---|---|
| Aug 18, 2026 | Dun Haiping | ACMR ACM Research, Inc. | OTHER | 5,000 | N/A |
| Aug 18, 2026 | Dun Haiping | ACMR ACM Research, Inc. | OTHER | 5,000 | $28K |
| Aug 18, 2026 | Dun Haiping | AACMR AACMR | SELL | 5,000 | $406K |
| Aug 18, 2026 | Dun Haiping | AACMR AACMR | BUY | 5,000 | $28K |
| May 19, 2026 | Dun Haiping | ACMR ACM Research, Inc. | OTHER | 5,000 | N/A |
| May 19, 2026 | Dun Haiping | ACMR ACM Research, Inc. | SELL | 1,858 | $125K |
| May 19, 2026 | Dun Haiping | ACMR ACM Research, Inc. | SELL | 1,309 | $88K |
| May 19, 2026 | Dun Haiping | ACMR ACM Research, Inc. | SELL | 500 | $33K |
| May 19, 2026 | Dun Haiping | ACMR ACM Research, Inc. | SELL | 1,333 | $85K |
| May 19, 2026 | Dun Haiping | ACMR ACM Research, Inc. | OTHER | 5,000 | $28K |