Jiang Wei – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
WAT	Jiang Wei	Director	Mar 16 '26	Buy	289.46	500	144,730	3,441	Mar 18 12:00 AM
STAA	Jiang Wei	Director	Jan 12 '26	Option Exercise	0.00	41,934	0	66,444	Jan 14 12:00 AM
STAA	Jiang Wei	Director	Nov 12 '25	Option Exercise	0.00	41,934	0	45,477	Nov 14 12:00 AM
STAA	Jiang Wei	Director	Aug 12 '25	Option Exercise	0.00	41,934	0	41,934	Aug 13 12:00 AM

Insider Trading & Congressional Trades