CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

Asset Management One Co., Ltd.'s Holding History (CIK: 0001068855)

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

Q4 2025

Shares 65,740 Value ($000) $15,788 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 86,357 Value ($000) $20,058 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 85,959 Value ($000) $19,872 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 101,417 Value ($000) $19,990 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 85,510 Value ($000) $19,639 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 42,955 Value ($000) $10,383 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 41,981 Value ($000) $9,494 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 43,452 Value ($000) $8,747 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 43,450 Value ($000) $7,645 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 46,427 Value ($000) $7,770 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 52,329 Value ($000) $8,604 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 66,320 Value ($000) $9,455 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 81,958 Value ($000) $9,433 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 92,600 Value ($000) $10,184 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 96,697 Value ($000) $8,477 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 99,741 Value ($000) $11,135 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 92,255 Value ($000) $9,130 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 83,342 Value ($000) $8,656 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 74,866 Value ($000) $6,973 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 63,207 Value ($000) $5,313 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 54,042 Value ($000) $4,042 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 50,299 Value ($000) $2,818 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 31,062 Value ($000) $1,863 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 28,275 Value ($000) $1,452 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 20,355 Value ($000) $1,745 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 24,801 Value ($000) $1,915 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 25,100 Value ($000) $1,785 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 20,760 Value ($000) $1,485 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 23,420 Value ($000) $1,156 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 17,440 Value ($000) $1,248 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 9,070 Value ($000) $504 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 8,140 Value ($000) $397 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 5,920 Value ($000) $321 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 4,980 Value ($000) $282 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 3,640 Value ($000) $203 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 3,530 Value ($000) $196 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 3,050 Value ($000) $170 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 38,986 Value ($000) $1,859 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 42,815 Value ($000) $2,190 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 35,596 Value ($000) $1,769 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 33,461 Value ($000) $1,437 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 36,571 Value ($000) $1,583 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 52,616 Value ($000) $2,810 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 62,051 Value ($000) $3,517 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 65,692 Value ($000) $3,345 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 14,092 Value ($000) $764 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 5,600 Value ($000) $358 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 16,400 Value ($000) $900 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 17,800 Value ($000) $1,062 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 17,800 Value ($000) $1,034 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 16,600 Value ($000) $843 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	65,740	$15,788	$228.49	$201.34 - $248.07
Q3 2025	86,357	$20,058	$236.75	$218.46 - $251.43
Q2 2025	85,959	$19,872	$218.92	$178.29 - $235.43
Q1 2025	101,417	$19,990	$218.84	$186.54 - $247.51
Q4 2024	85,510	$19,639	$248.40	$220.10 - $267.11
Q3 2024	42,955	$10,383	$235.10	$217.36 - $251.65
Q2 2024	41,981	$9,494	$209.64	$189.32 - $231.15
Q1 2024	43,452	$8,747	$179.73	$161.39 - $202.58
Q4 2023	43,450	$7,645	$164.14	$132.92 - $179.49
Q3 2023	46,427	$7,770	$168.59	$160.37 - $178.33
Q2 2023	52,329	$8,604	$146.18	$129.70 - $164.80
Q1 2023	66,320	$9,455	$130.22	$110.96 - $144.20
Q4 2022	81,958	$9,433	$116.83	$109.07 - $125.41
Q3 2022	92,600	$10,184	$107.08	$83.56 - $124.49
Q2 2022	96,697	$8,477	$96.49	$81.56 - $115.00
Q1 2022	99,741	$11,135	$98.73	$87.11 - $113.71
Q4 2021	92,255	$9,130	$105.37	$90.25 - $118.89
Q3 2021	83,342	$8,656	$98.39	$89.03 - $106.90
Q2 2021	74,866	$6,973	$90.87	$83.56 - $96.47
Q1 2021	63,207	$5,313	$84.13	$73.69 - $91.94
Q4 2020	54,042	$4,042	$67.02	$52.22 - $77.16
Q3 2020	50,299	$2,818	$59.23	$52.29 - $67.07
Q2 2020	31,062	$1,863	$55.73	$44.36 - $71.22
Q1 2020	28,275	$1,452	$73.03	$29.45 - $88.40
Q4 2019	20,355	$1,745	$81.27	$71.31 - $88.01
Q3 2019	24,801	$1,915	$73.96	$67.83 - $80.06
Q2 2019	25,100	$1,785	$69.62	$62.54 - $77.24
Q1 2019	20,760	$1,485	$61.79	$48.13 - $72.26
Q4 2018	23,420	$1,156	$62.29	$46.21 - $72.46
Q3 2018	17,440	$1,248	$63.60	$54.90 - $72.50
Q2 2018	9,070	$504	$51.36	$44.75 - $56.00
Q1 2018	8,140	$397	$52.41	$46.62 - $57.97
Q4 2017	5,920	$321	$54.14	$51.43 - $58.22
Q3 2017	4,980	$282	$54.44	$49.63 - $58.28
Q2 2017	3,640	$203	$57.50	$53.17 - $61.62
Q1 2017	3,530	$196	$55.34	$52.77 - $59.17
Q4 2016	3,050	$170	$50.41	$43.03 - $58.23
Q3 2016	38,986	$1,859	$49.57	$44.91 - $53.79
Q2 2016	42,815	$2,190	$50.01	$46.40 - $54.54
Q1 2016	35,596	$1,769	$43.78	$37.09 - $49.97
Q4 2015	33,461	$1,437	$43.45	$39.89 - $48.05
Q3 2015	36,571	$1,583	$49.63	$43.00 - $54.31
Q2 2015	52,616	$2,810	$55.82	$50.65 - $59.29
Q1 2015	62,051	$3,517	$51.78	$44.70 - $58.44
Q4 2014	65,692	$3,345	$48.74	$43.05 - $53.84
Q3 2014	14,092	$764	$58.81	$53.66 - $65.53
Q2 2014	5,600	$358	$59.46	$52.02 - $64.30
Q1 2014	16,400	$900	$54.49	$44.95 - $60.47
Q4 2013	17,800	$1,062	$57.66	$51.77 - $64.12
Q3 2013	17,800	$1,034	$55.80	$50.23 - $59.80
Q2 2013	16,600	$843	$55.73	$50.37 - $61.28