Insider Trading — QuoTrend

Olson Tiffany – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
CSTL	Olson Tiffany	Director	May 22 '26	Option Exercise	0.00	13,667	0	39,573	May 27
CSTL	Olson Tiffany	Director	May 21 '25	Option Exercise	0.00	8,673	0	25,906	May 23