Ambiq Micro ($AMBQ) Insider Trading & Smart Money Activity
Ambiq Micro, Inc. ($AMBQ) has 8 insider trades on file. In the last 12 months on the open market, no insider bought and 7 insiders sold ($4.47M), net -$4.47M.
- Insider buyers (12 mo)
- 0
- Insider sellers (12 mo)
- 7
- Net insider $ (12 mo)
- -$4.47M
- Congress trades (12 mo)
- 0
- 13F moves on file
- 0
- Analyst ratings on file
- 0
AMBQ insider buying and selling by quarter
| Quarter | Insider buys | Insider sales | Congress buys / sales | 13F added / cut |
|---|---|---|---|---|
| Q1 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q2 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q3 2026 | 0 | 0 | 0 / 0 | 0 / 0 |
| Q4 2026 | 0 | 8 · $4.47M | 0 / 0 | 0 / 0 |
Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.
All AMBQ insider, congress, 13F and analyst activity
| Date | Source | Who | Action | Shares | Value / amount | ΔOwn | 1W | 1M | 6M | Filing | Story |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Insider | Scott McLean HansonChief Technology Officer | Sell (Open-market sale) 10b5-1 | 7K sh | $357.01K | -3.19% | SEC | Read | ||||
| Insider | Fumihide EsakaChief Executive Officer | Sell (Open-market sale) 10b5-1 | 5K sh | $255.02K | -1.11% | SEC | Read | ||||
| Insider | Sean Chihhsiang ChenPresident and COO | Sell (Open-market sale) 10b5-1 | 15K sh | $772.44K | -12.37% | SEC | Read | ||||
| Insider | Chen Sean ChihhsiangPresident and COO | Sell (Open-market sale) 10b5-1 | 8.21K sh | $547.95K | -15.9% | — | |||||
| Insider | Winzeler Jeffrey GChief Financial Officer | Sell (Open-market sale) | 5.46K sh | $379.64K | -14.1% | — | |||||
| Insider | Hanson Scott McLeanChief Technology Officer | Sell (Open-market sale) | 8.68K sh | $604.09K | -14.1% | — | |||||
| Insider | Esaka FumihideChief Executive Officer | Sell (Open-market sale) | 16.56K sh | $1.15M | -14.1% | — | |||||
| Insider | Chen Sean ChihhsiangPresident and COO | Sell (Open-market sale) 10b5-1 | 5.80K sh | $403.79K | -14.1% | — |
1W / 1M / 6M = how AMBQ moved from the trade or filing date.
Insider trading in AMBQ: who is buying and selling
| Insider | Role | Trades | Open-market net | Shares held | Last trade |
|---|---|---|---|---|---|
| Scott McLean Hanson | Chief Technology Officer | 1 | -$357.01K | 212.55K | Oct 15, 2026 |
| Fumihide Esaka | Chief Executive Officer | 1 | -$255.02K | 443.90K | Oct 15, 2026 |
| Sean Chihhsiang Chen | President and COO | 1 | -$772.44K | 106.27K | Oct 14, 2026 |
| Chen Sean Chihhsiang | President and COO | 2 | -$951.74K | Oct 5, 2026 | |
| Winzeler Jeffrey G | Chief Financial Officer | 1 | -$379.64K | Oct 2, 2026 | |
| Hanson Scott McLean | Chief Technology Officer | 1 | -$604.09K | Oct 2, 2026 | |
| Esaka Fumihide | Chief Executive Officer | 1 | -$1.15M | Oct 2, 2026 |
Frequently asked questions
Are AMBQ insiders buying or selling?
Over the last 12 months 0 insiders made 0 open-market purchases worth $0 and 7 insiders made 8 open-market sales worth $4.47M, a net -$4.47M.
What is the latest insider trade in AMBQ?
Scott McLean Hanson, Chief Technology Officer filed a sell (open-market sale) of 7K sh worth $357.01K on Oct 15, 2026.
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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.
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