CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q4 2025

Shares 15,247 Value ($000) $3,575 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 15,824 Value ($000) $3,675 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 15,726 Value ($000) $3,636 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 15,678 Value ($000) $3,090 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 18,647 Value ($000) $4,291 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 20,154 Value ($000) $4,871 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 22,945 Value ($000) $5,189 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 25,024 Value ($000) $5,038 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 27,961 Value ($000) $4,879 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 27,524 Value ($000) $4,606 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 28,577 Value ($000) $4,699 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 40,588 Value ($000) $5,786 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 43,324 Value ($000) $4,944 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 49,139 Value ($000) $5,404 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 54,138 Value ($000) $4,746 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 52,899 Value ($000) $5,906 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 57,957 Value ($000) $5,782 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 64,465 Value ($000) $6,696 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 31,542 Value ($000) $2,938 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 29,886 Value ($000) $2,512 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 27,714 Value ($000) $2,109 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 66,758 Value ($000) $3,740 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 56,588 Value ($000) $3,394 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 25,881 Value ($000) $1,329 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 80,176 Value ($000) $6,875 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 72,300 Value ($000) $5,582 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 57,872 Value ($000) $4,115 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 15,751 Value ($000) $1,127 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 15,653 Value ($000) $772 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 39,094 Value ($000) $2,798 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 21,965 Value ($000) $1,220 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 23,294 Value ($000) $1,137 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 26,307 Value ($000) $1,426 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 26,115 Value ($000) $1,481 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 26,830 Value ($000) $1,498 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 21,796 Value ($000) $1,212 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 21,796 Value ($000) $1,228 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 26,811 Value ($000) $1,286 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 26,974 Value ($000) $1,406 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 27,686 Value ($000) $1,366 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 16,932 Value ($000) $705 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 22,574 Value ($000) $993 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 22,293 Value ($000) $1,198 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 20,579 Value ($000) $1,168 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 20,365 Value ($000) $979 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 17,871 Value ($000) $964 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 19,946 Value ($000) $1,282 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 19,539 Value ($000) $1,071 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 23,254 Value ($000) $1,394 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 16,196 Value ($000) $950 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 107,434 Value ($000) $5,429 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	15,247	$3,575	$228.49	$201.34 - $248.07
Q3 2025	15,824	$3,675	$236.75	$218.46 - $251.43
Q2 2025	15,726	$3,636	$218.92	$178.29 - $235.43
Q1 2025	15,678	$3,090	$218.84	$186.54 - $247.51
Q4 2024	18,647	$4,291	$248.40	$220.10 - $267.11
Q3 2024	20,154	$4,871	$235.10	$217.36 - $251.65
Q2 2024	22,945	$5,189	$209.64	$189.32 - $231.15
Q1 2024	25,024	$5,038	$179.73	$161.39 - $202.58
Q4 2023	27,961	$4,879	$164.14	$132.92 - $179.49
Q3 2023	27,524	$4,606	$168.59	$160.37 - $178.33
Q2 2023	28,577	$4,699	$146.18	$129.70 - $164.80
Q1 2023	40,588	$5,786	$130.22	$110.96 - $144.20
Q4 2022	43,324	$4,944	$116.83	$109.07 - $125.41
Q3 2022	49,139	$5,404	$107.08	$83.56 - $124.49
Q2 2022	54,138	$4,746	$96.49	$81.56 - $115.00
Q1 2022	52,899	$5,906	$98.73	$87.11 - $113.71
Q4 2021	57,957	$5,782	$105.37	$90.25 - $118.89
Q3 2021	64,465	$6,696	$98.39	$89.03 - $106.90
Q2 2021	31,542	$2,938	$90.87	$83.56 - $96.47
Q1 2021	29,886	$2,512	$84.13	$73.69 - $91.94
Q4 2020	27,714	$2,109	$67.02	$52.22 - $77.16
Q3 2020	66,758	$3,740	$59.23	$52.29 - $67.07
Q2 2020	56,588	$3,394	$55.73	$44.36 - $71.22
Q1 2020	25,881	$1,329	$73.03	$29.45 - $88.40
Q4 2019	80,176	$6,875	$81.27	$71.31 - $88.01
Q3 2019	72,300	$5,582	$73.96	$67.83 - $80.06
Q2 2019	57,872	$4,115	$69.62	$62.54 - $77.24
Q1 2019	15,751	$1,127	$61.79	$48.13 - $72.26
Q4 2018	15,653	$772	$62.29	$46.21 - $72.46
Q3 2018	39,094	$2,798	$63.60	$54.90 - $72.50
Q2 2018	21,965	$1,220	$51.36	$44.75 - $56.00
Q1 2018	23,294	$1,137	$52.41	$46.62 - $57.97
Q4 2017	26,307	$1,426	$54.14	$51.43 - $58.22
Q3 2017	26,115	$1,481	$54.44	$49.63 - $58.28
Q2 2017	26,830	$1,498	$57.50	$53.17 - $61.62
Q1 2017	21,796	$1,212	$55.34	$52.77 - $59.17
Q4 2016	21,796	$1,228	$50.41	$43.03 - $58.23
Q3 2016	26,811	$1,286	$49.57	$44.91 - $53.79
Q2 2016	26,974	$1,406	$50.01	$46.40 - $54.54
Q1 2016	27,686	$1,366	$43.78	$37.09 - $49.97
Q4 2015	16,932	$705	$43.45	$39.89 - $48.05
Q3 2015	22,574	$993	$49.63	$43.00 - $54.31
Q2 2015	22,293	$1,198	$55.82	$50.65 - $59.29
Q1 2015	20,579	$1,168	$51.78	$44.70 - $58.44
Q4 2014	20,365	$979	$48.74	$43.05 - $53.84
Q3 2014	17,871	$964	$58.81	$53.66 - $65.53
Q2 2014	19,946	$1,282	$59.46	$52.02 - $64.30
Q1 2014	19,539	$1,071	$54.49	$44.95 - $60.47
Q4 2013	23,254	$1,394	$57.66	$51.77 - $64.12
Q3 2013	16,196	$950	$55.80	$50.23 - $59.80
Q2 2013	107,434	$5,429	$55.73	$50.37 - $61.28