CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

Horizon Investment Services, LLC's Holding History (CIK: 0001426940)

Note: Option positions (PUT/CALL) are excluded.

Q3 2023

Shares 6,468 Value ($000) $1,082 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 2,501 Value ($000) $411 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 1,998 Value ($000) $285 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 1,792 Value ($000) $205 Avg Close $116.83 Range $109.07 - $125.41

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2023	6,468	$1,082	$168.59	$160.37 - $178.33
Q2 2023	2,501	$411	$146.18	$129.70 - $164.80
Q1 2023	1,998	$285	$130.22	$110.96 - $144.20
Q4 2022	1,792	$205	$116.83	$109.07 - $125.41