Fumihide Esaka, Chief Executive Officer at Ambiq Micro, Inc. (AMBQ), sold 108,500 shares at $56.87 ($6.2M) on 2026-08-31, disclosed to the SEC on 2026-09-02.
Scheduled sale ($6.2M) by Chief Executive Officer under a pre-arranged 10b5-1 plan. Pre-set trade — not a discretionary signal on the stock.
Nothing distinguishes this filing.
| # | Price | Shares | Value | % of Total |
|---|---|---|---|---|
| 1 | $56.81 | 15,600 | $886K | 14.4% |
| 2 | $56.87 | 5,899 | $335K | 5.4% |
| 3 | $57.70 | 13,800 | $796K | 12.9% |
| 4 | $57.75 | 5,501 | $318K | 5.1% |
| 5 | $58.46 | 5,600 | $327K | 5.3% |
| 6 | $58.52 | 2,100 |
| $123K |
| 2.0% |
| 7 | $56.39 | 48,973 | $2.8M | 44.7% |
| 8 | $56.15 | 1,452 | $82K | 1.3% |
| 9 | $56.77 | 9,575 | $544K | 8.8% |
| Total | $56.89 avg | 108,500 | $6.2M | 100% |
| Filing → |
| AMBQ | SELL | 2026-05-18 | $4.2M | — | Filing → |