Open Insider Trading Activity for Ambiq Micro, Inc. Chief Executive Officer Esaka Fumihide
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 | 2026-09-15 | 2026-09-15 | Ambiq Micro, Inc. | Esaka Fumihide | Chief Executive Officer | Sell | 3 | 13,500 | $60.28 | $813,715.38 | 2.85% | View Filing |
| Unexplained: transactions without an ESPP, DRIP, 10b5-1, tax liability, or Explained M/S tag. AMBQ | 2026-09-15 | 2026-09-11 | Ambiq Micro, Inc. | Esaka Fumihide | Chief Executive Officer | Sell | 2 | 50,000 | $63.36 | $3,167,993.45 | 9.80% | View Filing |
| Explained M/S: sale activity tied to share conversions or derivative-related share movements. AMBQ | 2026-05-18 | 2026-05-14 | Ambiq Micro, Inc. | Esaka Fumihide | Chief Executive Officer | Sell | 1 | 60,000 | $70.02 | $4,201,200.00 | 13.30% | View Filing |