Insider Trading — QuoTrend

Esaka Fumihide – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
AMBQ	Esaka Fumihide	Chief Executive Officer	May 15 '26	Option Exercise	9.87	74,537	735,493	451,189	May 18
AMBQ	Esaka Fumihide	Chief Executive Officer	May 14 '26	Option Exercise	8.12	60,000	487,200	451,189	May 18
AMBQ	Esaka Fumihide	Chief Executive Officer	May 14 '26	Sale	70.02	60,000	4,201,122	391,189	May 18
AMBQ	Esaka Fumihide	Chief Executive Officer	Oct 07 '25	Option Exercise	5.88	53,660	315,521	230,573	Feb 10