Summary
Updated Aug 30, 2026
Wen Hsuan Hsieh files SEC Form 4 reports at Ambiq Micro, Inc. (AMBQ). 4 SEC Form 4 filings on record going back to 2025, most recently on 10 June 2026. Most recent open-market trade: sold $2.38M of AMPX on 13 March 2026. Lifetime open-market sales: $7.62M.
Recent Transactions
6Every recent SEC Form 4 transaction Wen Hsuan Hsieh has reported, most recent first.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies Wen Hsuan Hsieh 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.
- Timothy Chen - $5.63M of AMBQ open-market activity in the last 12 months
- Fumihide Esaka - $5.07M of AMBQ open-market activity in the last 12 months
- Scott McLean Hanson - $4.75M of AMBQ open-market activity in the last 12 months
- Sean Chihhsiang Chen - $3.95M of AMBQ open-market activity in the last 12 months
- Jeffrey G. Winzeler - $1.82M of AMBQ open-market activity in the last 12 months
- Joseph A. Tautges - $242K of AMBQ 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 Wen Hsuan Hsieh?
Wen Hsuan Hsieh is a corporate insider of Ambiq Micro, Inc. (AMBQ). InsiderAlpha holds 4 primary Form 4 filings for them, the earliest from 2025, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has Wen Hsuan Hsieh submitted recently?
1 primary Form 4 filing in the last 90 days, covering 1 company.
Has Wen Hsuan Hsieh been buying or selling stock?
Recorded transactions: 0 open-market purchases and 2 open-market sales ($7.62M) across all tracked filings.
Where can I see all of Wen Hsuan Hsieh'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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