CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

COMERICA BANK's Holding History (CIK: 0000901541)

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

Q4 2025

Shares 14,937 Value ($000) $3,502 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 94,192 Value ($000) $21,873 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 74,377 Value ($000) $17,194 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 17,229 Value ($000) $3,396 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 17,646 Value ($000) $4,061 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 18,356 Value ($000) $4,437 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 19,869 Value ($000) $4,493 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 21,040 Value ($000) $4,236 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 21,684 Value ($000) $3,784 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 21,710 Value ($000) $3,633 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 7,453 Value ($000) $0 Avg Close $146.18 Range $129.70 - $164.80

Q4 2022

Shares 38,340 Value ($000) $5 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 44,532 Value ($000) $5,277 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 48,818 Value ($000) $4,397 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 49,336 Value ($000) $5,430 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 50,664 Value ($000) $4,626 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 50,882 Value ($000) $5,840 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 56,774 Value ($000) $5,703 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 70,372 Value ($000) $6,257 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 75,129 Value ($000) $6,298 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 76,588 Value ($000) $4,514 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 75,696 Value ($000) $4,524 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 73,238 Value ($000) $3,708 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 69,927 Value ($000) $5,970 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 71,816 Value ($000) $5,494 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 76,418 Value ($000) $5,353 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 81,595 Value ($000) $5,907 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 84,528 Value ($000) $4,949 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 91,785 Value ($000) $5,913 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 100,470 Value ($000) $5,667 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 104,570 Value ($000) $5,053 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 107,929 Value ($000) $6,068 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 89,247 Value ($000) $4,707 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 85,379 Value ($000) $4,805 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 91,106 Value ($000) $5,342 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 78,798 Value ($000) $4,267 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 51,597 Value ($000) $2,528 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 42,167 Value ($000) $2,100 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 41,281 Value ($000) $2,053 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 45,414 Value ($000) $1,900 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 46,127 Value ($000) $2,028 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 93,742 Value ($000) $5,036 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 48,709 Value ($000) $2,765 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 103,720 Value ($000) $4,982 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 55,588 Value ($000) $2,997 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 53,368 Value ($000) $3,429 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 54,281 Value ($000) $2,974 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 47,311 Value ($000) $2,837 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 62,101 Value ($000) $3,643 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 50,846 Value ($000) $2,570 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,937	$3,502	$228.49	$201.34 - $248.07
Q3 2025	94,192	$21,873	$236.75	$218.46 - $251.43
Q2 2025	74,377	$17,194	$218.92	$178.29 - $235.43
Q1 2025	17,229	$3,396	$218.84	$186.54 - $247.51
Q4 2024	17,646	$4,061	$248.40	$220.10 - $267.11
Q3 2024	18,356	$4,437	$235.10	$217.36 - $251.65
Q2 2024	19,869	$4,493	$209.64	$189.32 - $231.15
Q1 2024	21,040	$4,236	$179.73	$161.39 - $202.58
Q4 2023	21,684	$3,784	$164.14	$132.92 - $179.49
Q3 2023	21,710	$3,633	$168.59	$160.37 - $178.33
Q2 2023	7,453	$0	$146.18	$129.70 - $164.80
Q4 2022	38,340	$5	$116.83	$109.07 - $125.41
Q3 2022	44,532	$5,277	$107.08	$83.56 - $124.49
Q2 2022	48,818	$4,397	$96.49	$81.56 - $115.00
Q1 2022	49,336	$5,430	$98.73	$87.11 - $113.71
Q4 2021	50,664	$4,626	$105.37	$90.25 - $118.89
Q3 2021	50,882	$5,840	$98.39	$89.03 - $106.90
Q2 2021	56,774	$5,703	$90.87	$83.56 - $96.47
Q1 2021	70,372	$6,257	$84.13	$73.69 - $91.94
Q4 2020	75,129	$6,298	$67.02	$52.22 - $77.16
Q3 2020	76,588	$4,514	$59.23	$52.29 - $67.07
Q2 2020	75,696	$4,524	$55.73	$44.36 - $71.22
Q1 2020	73,238	$3,708	$73.03	$29.45 - $88.40
Q4 2019	69,927	$5,970	$81.27	$71.31 - $88.01
Q3 2019	71,816	$5,494	$73.96	$67.83 - $80.06
Q2 2019	76,418	$5,353	$69.62	$62.54 - $77.24
Q1 2019	81,595	$5,907	$61.79	$48.13 - $72.26
Q4 2018	84,528	$4,949	$62.29	$46.21 - $72.46
Q3 2018	91,785	$5,913	$63.60	$54.90 - $72.50
Q2 2018	100,470	$5,667	$51.36	$44.75 - $56.00
Q1 2018	104,570	$5,053	$52.41	$46.62 - $57.97
Q4 2017	107,929	$6,068	$54.14	$51.43 - $58.22
Q3 2017	89,247	$4,707	$54.44	$49.63 - $58.28
Q2 2017	85,379	$4,805	$57.50	$53.17 - $61.62
Q1 2017	91,106	$5,342	$55.34	$52.77 - $59.17
Q4 2016	78,798	$4,267	$50.41	$43.03 - $58.23
Q3 2016	51,597	$2,528	$49.57	$44.91 - $53.79
Q2 2016	42,167	$2,100	$50.01	$46.40 - $54.54
Q1 2016	41,281	$2,053	$43.78	$37.09 - $49.97
Q4 2015	45,414	$1,900	$43.45	$39.89 - $48.05
Q3 2015	46,127	$2,028	$49.63	$43.00 - $54.31
Q2 2015	93,742	$5,036	$55.82	$50.65 - $59.29
Q1 2015	48,709	$2,765	$51.78	$44.70 - $58.44
Q4 2014	103,720	$4,982	$48.74	$43.05 - $53.84
Q3 2014	55,588	$2,997	$58.81	$53.66 - $65.53
Q2 2014	53,368	$3,429	$59.46	$52.02 - $64.30
Q1 2014	54,281	$2,974	$54.49	$44.95 - $60.47
Q4 2013	47,311	$2,837	$57.66	$51.77 - $64.12
Q3 2013	62,101	$3,643	$55.80	$50.23 - $59.80
Q2 2013	50,846	$2,570	$55.73	$50.37 - $61.28