Insider Trading — QuoTrend

Robertson Andrea – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
CLH	Robertson Andrea	Director	Aug 03 '26	Sale	314.01	789	247,754	8,979	Aug 03
CLH	Robertson Andrea	Director	Jul 31 '25	Sale	233.64	836	195,323	9,888	Aug 04
CLH	Robertson Andrea	Director	Aug 01 '24	Sale	238.90	1,148	274,257	10,355	Aug 01
CLH	Robertson Andrea	Director	Aug 08 '23	Sale	169.08	1,200	202,895	10,667	Aug 08
CLH	Robertson Andrea	director:	Aug 05 '22	Sale	106.37	1,095	116,475	10,719	Aug 08
CLH	Robertson Andrea	Director	Feb 25 '22	Sale	95.30	1,000	95,300	10,465	Feb 28