Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Sotheara Cheav files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- David H. Wang - $28.98M of ACMR open-market activity in the last 12 months
- Mark McKechnie - $8.76M of ACMR open-market activity in the last 12 months
- Fuping Chen - $3.98M of ACMR open-market activity in the last 12 months
- Tracy Liu - $2.85M of ACMR open-market activity in the last 12 months
- Lisa Feng - $2.44M of ACMR open-market activity in the last 12 months
- Jian Wang - $1.05M of ACMR open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is Sotheara Cheav?
Sotheara Cheav is a corporate insider of ACM Research, Inc. (ACMR). InsiderAlpha holds 3 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Sotheara Cheav last file a Form 4?
The most recent primary Form 4 on record is dated 6 June 2026, one of 3 filings going back to 2025.
Has Sotheara Cheav been buying or selling stock?
Recorded transactions: 0 open-market purchases and 9 open-market sales ($2.27M) across all tracked filings.
Where can I see all of Sotheara Cheav's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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