Ambiq Micro CEO Fumihide Esaka disposes of 108,500 common shares worth $6.19 million
AMBQ•CEO stock sales and option exercises
Ambiq Micro CEO and director Fumihide Esaka reported option exercises and stock sales from Aug. 31 to Sept. 2, 2026.
- Disposed of 108,500 shares in total at weighted average prices around $56.15 to $58.52.
- Exercised options for 117,798 shares at $8.12 to $12.6.
- Directly owned 460,460 Ambiq Micro shares following the transactions.




