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Insider trade

ACM Research, Inc. (ACMR)Director sold ~$192

David H Wang, Director at ACM Research, Inc., sold ~$192 of ACM Research, Inc. shares.

~$192
Approx. value · 8 sh @ $24.04
673K
Holds after · shares reported
Traded
May 21, 2025
Filed
May 23, 2025

The story around this disclosure

Every dated public record OQRO holds about the company from 60 days before to 120 days after, oldest first. It shows what was going on; none of it is a stated reason for the trade.

  1. May 14, 2025InsiderOfficer sold ~$378K of ACMR shares in the open market
  2. May 21, 2025 · this disclosureInsiderDirector sold ~$192 of ACMR shares in the open market

What came next

  1. May 21, 2025InsiderDirector sold ~$1.65M of ACMR shares in the open market
  2. May 22, 2025InsiderDirector sold ~$1.36M of ACMR shares in the open market
  3. Jun 24, 2025InsiderOfficer sold ~$390K of ACMR shares in the open market
  4. Jul 7, 2025InsiderOfficer sold ~$420K of ACMR shares in the open market
  5. Jul 15, 2025InsiderDirector sold ~$450K of ACMR shares in the open market
  6. Aug 22, 2025Insider · 2 peopleInsiders: 2 sales (~$1.2M)
  7. Aug 25, 2025InsiderOfficer sold ~$960K of ACMR shares in the open market
  8. Sep 3, 2025Insider · 1 personInsiders: 2 sales (~$1.9M)
  9. Sep 4, 2025InsiderDirector sold ~$1.59M of ACMR shares in the open market
View the official recordSEC Form 4

How to read SEC Form 4

Form 4 is the filing that officers, directors and owners of more than 10% of a US-listed company must send to the SEC within two business days after they buy, sell or otherwise change their holding of the company's stock.

Full guide: What is an SEC Form 4?

What else is on file for ACM Research, Inc.

For ACM Research, Inc., OQRO holds 4 fund holdings reports (13F) dated in the last 90 days.

These are records OQRO holds, counted by their date, not a measure of how much trading took place. Routine paperwork such as option exercises and tax withholding is left out. Everything for the company is on its ACMR page.

Other recent filings by David H Wang, See Remarks

The full history of David H Wang, See Remarks is on the profile page.

How this filing works

Other disclosures at ACM Research, Inc.

Everything OQRO holds on this company is on its ACMR page.

This is one filing. OQRO holds the rest

Insider trades filed with the SEC, stock trades disclosed by members of Congress, fund holdings from 13F filings and federal contract awards, each one in plain words next to its official filing. On this page it opens why the trade stands out, what the company did around that time, the price since, and every field of the form.

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OQRO describes public disclosures and context calculated from them. It does not give personalized advice and does not recommend any transaction. How OQRO treats data