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	9.21	120,000	1,104,653	451,189	May 18 12:00 AM
AMBQ	Esaka Fumihide	Chief Executive Officer	May 14 '26	Option Exercise	8.12	120,000	974,400	451,189	May 18 12:00 AM
AMBQ	Esaka Fumihide	Chief Executive Officer	May 14 '26	Sale	70.02	60,000	4,201,122	391,189	May 18 12:00 AM
AMBQ	Esaka Fumihide	Chief Executive Officer	Oct 07 '25	Option Exercise	5.88	107,320	631,042	230,573	Feb 10 12:00 AM

Insider Trading & Congressional Trades