Robertson Andrea – Insider Transactions

Ticker	Owner	Relationship	Date	Transaction	Cost	#Shares	Value ($)	#Shares Total	SEC Form 4
CLH	Robertson Andrea	Director	Jul 31 '25	Sale	233.64	836	195,323	9,888	Aug 04 12:00 AM
CLH	Robertson Andrea	Director	Aug 01 '24	Sale	238.90	1,148	274,257	10,355	Aug 01 12:00 AM
CLH	Robertson Andrea	Director	Aug 08 '23	Sale	169.08	1,200	202,895	10,667	Aug 08 12:00 AM
CLH	Robertson Andrea	director:	Aug 05 '22	Sale	106.37	1,095	116,475	10,719	Aug 08 12:00 AM
CLH	Robertson Andrea	Director	Feb 25 '22	Sale	95.30	1,000	95,300	10,465	Feb 28 12:00 AM

Insider Trading & Congressional Trades