Open Insider Trading Activity for Ambiq Micro, Inc. President and COO Chen Sean Chihhsiang
31-day price and insider activity (up to 2 years)
Daily candles with triangles for the buy and sale transactions shown below. Scroll left or zoom out to load earlier candles (up to 2 years).
▲ Insider buy
▼ Insider sale
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| Ticker | Filing Date | Transaction Date | Company | Insider | Title | Transaction | Trade Count | Shares | Avg. Price | Total Value | Position Size Change | SEC Filing |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10b5-1: Scheduled Form 4 Transaction AMBQ | 2026-10-16 | 2026-10-14 | Ambiq Micro, Inc. | Chen Sean Chihhsiang | President and COO | Sell | 5 | 15,000 | $51.50 | $772,438.22 | 12.37% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMBQ | 2026-10-06 | 2026-10-05 | Ambiq Micro, Inc. | Chen Sean Chihhsiang | President and COO | Sell | 4 | 8,205 | $66.78 | $547,950.13 | 7.17% | View Filing |
| Tax liability coverage transfers: shares are often sold to offset the tax liability from shares vesting AMBQ | 2026-10-06 | 2026-10-02 | Ambiq Micro, Inc. | Chen Sean Chihhsiang | President and COO | Sell | 3 | 5,802 | $69.60 | $403,794.14 | 4.82% | View Filing |
| 10b5-1: Scheduled Form 4 Transaction AMBQ | 2026-09-15 | 2026-09-14 | Ambiq Micro, Inc. | Chen Sean Chihhsiang | President and COO | Sell | 3 | 15,000 | $60.14 | $902,130.10 | 11.09% | View Filing |