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Insider ActivityACMR
Dun Haiping, Insider at ACM Research, Inc., sold $125K of ACMR
Updated Jun 19, 2026
Dun Haiping
Insider
ACM Research, Inc. ·
$ACMR
Transaction Details
| Insider | Dun Haiping |
|---|---|
| Title | Insider |
| Company | ACM Research, Inc. |
| Ticker | ACMR |
| Transaction Type | Sale |
| Transaction Date | 2026-05-19 |
| Shares Traded | 1,858 |
| Price Per Share | $67.54 |
| Total Value | $125K |
| Filed Date | 2026-05-21 |
| Accession Number | 0001140361-26-022458 |
Ownership Context
| Shares Owned After Transaction | — |
|---|---|
| Ownership Type | Direct |
SEC Filing
Accession: 0001140361-26-022458
Other Insider Trades — ACMR
| Insider | Title | Action | Value | Date |
|---|---|---|---|---|
| Cheav Sotheara | See remarks | sold | $34K | 2026-06-05 |
| Cheav Sotheara | See remarks | traded | $75K | 2026-06-05 |
| Cheav Sotheara | See remarks | sold | $80K | 2026-06-05 |
| Cheav Sotheara | See remarks | sold | $141K | 2026-06-05 |
| Cheav Sotheara | See remarks | sold | $195K | 2026-06-05 |
| Wang David H | See Remarks | sold | $173K | 2026-06-04 |
| Wang David H | See Remarks | traded | $40K | 2026-06-04 |
| Cheav Sotheara | See remarks | sold | $784K | 2026-06-04 |
| Wang David H | See Remarks | sold | $73K | 2026-06-04 |
| Cheav Sotheara | See remarks | traded | $185K | 2026-06-04 |
Other Trades by Dun Haiping
| Ticker | Company | Action | Value | Date |
|---|---|---|---|---|
| ACMR | ACM Research, Inc. | traded | $28K | 2026-05-19 |
| ACMR | ACM Research, Inc. | sold | $85K | 2026-05-19 |
| ACMR | ACM Research, Inc. | sold | $33K | 2026-05-19 |
| ACMR | ACM Research, Inc. | sold | $88K | 2026-05-19 |
Full Ticker Profile
View all insider trades, dark pool activity, congressional filings, and the Whisper Score for ACMR — ACM Research, Inc. →
Whisper Score — ACMR
60.75
Frenzy
Current Whisper Score
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Data sourced from SEC Form 4 insider trading filings. Transaction details are as reported to the Securities and Exchange Commission. This page does not constitute financial advice. StonkWhisper presents public records — it does not verify or guarantee the accuracy of SEC filings.
Last updated: June 19, 2026 at 07:09 UTC