CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

SFE Investment Counsel's Holding History (CIK: 0001317784)

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

Q4 2025

Shares 3,810 Value ($000) $893 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 3,970 Value ($000) $922 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 4,392 Value ($000) $1,015 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 4,427 Value ($000) $873 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 4,425 Value ($000) $1,018 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 6,297 Value ($000) $1,522 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 6,794 Value ($000) $1,536 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 6,837 Value ($000) $1,376 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 6,822 Value ($000) $1,191 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 7,022 Value ($000) $1,175 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 7,726 Value ($000) $1,270 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 9,107 Value ($000) $1,330 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 9,738 Value ($000) $1,184 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 10,384 Value ($000) $1,142 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 11,034 Value ($000) $967 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 10,834 Value ($000) $1,210 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 10,985 Value ($000) $1,096 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 10,949 Value ($000) $1,137 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 11,149 Value ($000) $1,038 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 11,155 Value ($000) $938 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 11,032 Value ($000) $840 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 9,815 Value ($000) $550 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 9,903 Value ($000) $594 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 9,317 Value ($000) $478 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 9,927 Value ($000) $851 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 10,147 Value ($000) $783 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 10,932 Value ($000) $777 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 11,456 Value ($000) $819 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 18,668 Value ($000) $921 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 28,481 Value ($000) $2,039 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 19,930 Value ($000) $1,107 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 20,535 Value ($000) $1,002 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 28,291 Value ($000) $1,533 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 25,555 Value ($000) $1,449 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 25,675 Value ($000) $1,433 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 28,268 Value ($000) $1,572 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 27,672 Value ($000) $1,489 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 27,121 Value ($000) $1,413 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 27,121 Value ($000) $1,413 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 27,841 Value ($000) $1,374 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 28,011 Value ($000) $1,167 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 25,891 Value ($000) $1,138 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 29,911 Value ($000) $1,607 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 28,556 Value ($000) $1,621 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 28,631 Value ($000) $1,376 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 35,351 Value ($000) $1,906 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 35,781 Value ($000) $2,299 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 39,557 Value ($000) $2,167 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 35,822 Value ($000) $2,148 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 32,212 Value ($000) $1,890 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 29,196 Value ($000) $1,475 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,810	$893	$228.49	$201.34 - $248.07
Q3 2025	3,970	$922	$236.75	$218.46 - $251.43
Q2 2025	4,392	$1,015	$218.92	$178.29 - $235.43
Q1 2025	4,427	$873	$218.84	$186.54 - $247.51
Q4 2024	4,425	$1,018	$248.40	$220.10 - $267.11
Q3 2024	6,297	$1,522	$235.10	$217.36 - $251.65
Q2 2024	6,794	$1,536	$209.64	$189.32 - $231.15
Q1 2024	6,837	$1,376	$179.73	$161.39 - $202.58
Q4 2023	6,822	$1,191	$164.14	$132.92 - $179.49
Q3 2023	7,022	$1,175	$168.59	$160.37 - $178.33
Q2 2023	7,726	$1,270	$146.18	$129.70 - $164.80
Q1 2023	9,107	$1,330	$130.22	$110.96 - $144.20
Q4 2022	9,738	$1,184	$116.83	$109.07 - $125.41
Q3 2022	10,384	$1,142	$107.08	$83.56 - $124.49
Q2 2022	11,034	$967	$96.49	$81.56 - $115.00
Q1 2022	10,834	$1,210	$98.73	$87.11 - $113.71
Q4 2021	10,985	$1,096	$105.37	$90.25 - $118.89
Q3 2021	10,949	$1,137	$98.39	$89.03 - $106.90
Q2 2021	11,149	$1,038	$90.87	$83.56 - $96.47
Q1 2021	11,155	$938	$84.13	$73.69 - $91.94
Q4 2020	11,032	$840	$67.02	$52.22 - $77.16
Q3 2020	9,815	$550	$59.23	$52.29 - $67.07
Q2 2020	9,903	$594	$55.73	$44.36 - $71.22
Q1 2020	9,317	$478	$73.03	$29.45 - $88.40
Q4 2019	9,927	$851	$81.27	$71.31 - $88.01
Q3 2019	10,147	$783	$73.96	$67.83 - $80.06
Q2 2019	10,932	$777	$69.62	$62.54 - $77.24
Q1 2019	11,456	$819	$61.79	$48.13 - $72.26
Q4 2018	18,668	$921	$62.29	$46.21 - $72.46
Q3 2018	28,481	$2,039	$63.60	$54.90 - $72.50
Q2 2018	19,930	$1,107	$51.36	$44.75 - $56.00
Q1 2018	20,535	$1,002	$52.41	$46.62 - $57.97
Q4 2017	28,291	$1,533	$54.14	$51.43 - $58.22
Q3 2017	25,555	$1,449	$54.44	$49.63 - $58.28
Q2 2017	25,675	$1,433	$57.50	$53.17 - $61.62
Q1 2017	28,268	$1,572	$55.34	$52.77 - $59.17
Q4 2016	27,672	$1,489	$50.41	$43.03 - $58.23
Q3 2016	27,121	$1,413	$49.57	$44.91 - $53.79
Q2 2016	27,121	$1,413	$50.01	$46.40 - $54.54
Q1 2016	27,841	$1,374	$43.78	$37.09 - $49.97
Q4 2015	28,011	$1,167	$43.45	$39.89 - $48.05
Q3 2015	25,891	$1,138	$49.63	$43.00 - $54.31
Q2 2015	29,911	$1,607	$55.82	$50.65 - $59.29
Q1 2015	28,556	$1,621	$51.78	$44.70 - $58.44
Q4 2014	28,631	$1,376	$48.74	$43.05 - $53.84
Q3 2014	35,351	$1,906	$58.81	$53.66 - $65.53
Q2 2014	35,781	$2,299	$59.46	$52.02 - $64.30
Q1 2014	39,557	$2,167	$54.49	$44.95 - $60.47
Q4 2013	35,822	$2,148	$57.66	$51.77 - $64.12
Q3 2013	32,212	$1,890	$55.80	$50.23 - $59.80
Q2 2013	29,196	$1,475	$55.73	$50.37 - $61.28