Sean Chihhsiang Chen
President and COO · Ambiq Micro, Inc.
IndividualSelling only16 10b5-1 trades
- 2025
- Oct 6, 2026
- 7
Filings (90d)
Other insiders active in the same stocks
Insiders who reported open-market trades in the last 12 months at the companies Sean Chihhsiang Chen 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.
- Fumihide Esaka - $16.38M in AMBQ purchases and sales in the last 12 months
- Scott McLean Hanson - $5.78M in AMBQ purchases and sales in the last 12 months
- Timothy Chen - $5.63M in AMBQ purchases and sales in the last 12 months
- Jeffrey G. Winzeler - $2.20M in AMBQ purchases and sales in the last 12 months
- Ker Zhang - $645K in AMBQ purchases and sales in the last 12 months
- Joseph A. Tautges - $242K in AMBQ purchases and sales in the last 12 months
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Frequently asked questions
Who is Sean Chihhsiang Chen?
Sean Chihhsiang Chen is a corporate insider, tracked as President and COO of Ambiq Micro, Inc. (AMBQ). InsiderAlpha holds 7 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 Sean Chihhsiang Chen submitted recently?
3 primary Form 4 filings in the last 90 days, covering 1 company.
Has Sean Chihhsiang Chen been buying or selling stock?
Recorded transactions: 0 open-market purchases and 14 open-market sales ($6.66M) across all tracked filings.
