Insider Trading — QuoTrend

Chao Catherine T. – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
WLK	Chao Catherine T.	Director	Aug 08 '26	Option Exercise	0.00	2,168	0	7,748	Aug 10
WLK	Chao Catherine T.	Director	Aug 09 '25	Option Exercise	0.00	1,128	0	5,580	Aug 11
WLK	Chao Catherine T.	Director	Aug 11 '24	Option Exercise	0.00	1,136	0	4,452	Aug 12
WLK	Chao Catherine T.	Director	May 12 '24	Option Exercise	0.00	1,316	0	3,316	May 13