CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 619,612 Value ($000) $145,297 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 614,844 Value ($000) $142,782 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 655,928 Value ($000) $151,640 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 658,565 Value ($000) $129,795 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 676,894 Value ($000) $155,784 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 661,006 Value ($000) $159,759 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 707,758 Value ($000) $160,072 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 776,330 Value ($000) $156,283 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 799,537 Value ($000) $139,532 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 914,065 Value ($000) $152,982 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 1,071,312 Value ($000) $176,150 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 1,290,695 Value ($000) $183,995 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 1,560,034 Value ($000) $178 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 1,655,982 Value ($000) $182,125 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 1,634,410 Value ($000) $143,287 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 1,672,165 Value ($000) $186,684 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 1,672,517 Value ($000) $166,859 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 1,694,456 Value ($000) $176,010 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 1,694,637 Value ($000) $157,829 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 1,834,723 Value ($000) $154,230 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 1,846,594 Value ($000) $140,523 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 1,865,625 Value ($000) $104,530 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 1,872,508 Value ($000) $112,311 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 1,797,047 Value ($000) $92,254 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 1,798,454 Value ($000) $154,219 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 1,912,824 Value ($000) $147,666 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 1,977,034 Value ($000) $140,564 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 1,969,494 Value ($000) $140,877 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 1,977,519 Value ($000) $97,589 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 2,016,240 Value ($000) $144,321 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 1,989,511 Value ($000) $110,515 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 1,937,816 Value ($000) $94,585 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 1,855,446 Value ($000) $100,564 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 1,903,264 Value ($000) $107,915 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 1,887,610 Value ($000) $105,383 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 1,879,515 Value ($000) $104,537 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 1,819,080 Value ($000) $101,232 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 1,744,147 Value ($000) $83,684 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 1,717,810 Value ($000) $89,513 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 1,531,697 Value ($000) $75,575 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 1,311,959 Value ($000) $54,645 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 1,011,716 Value ($000) $44,484 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 692,094 Value ($000) $37,193 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 561,123 Value ($000) $31,859 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 537,830 Value ($000) $25,845 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 394,764 Value ($000) $21,287 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 308,653 Value ($000) $19,830 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 255,114 Value ($000) $13,979 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 219,224 Value ($000) $13,143 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 175,953 Value ($000) $10,318 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 163,578 Value ($000) $8,267 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	619,612	$145,297	$228.49	$201.34 - $248.07
Q3 2025	614,844	$142,782	$236.75	$218.46 - $251.43
Q2 2025	655,928	$151,640	$218.92	$178.29 - $235.43
Q1 2025	658,565	$129,795	$218.84	$186.54 - $247.51
Q4 2024	676,894	$155,784	$248.40	$220.10 - $267.11
Q3 2024	661,006	$159,759	$235.10	$217.36 - $251.65
Q2 2024	707,758	$160,072	$209.64	$189.32 - $231.15
Q1 2024	776,330	$156,283	$179.73	$161.39 - $202.58
Q4 2023	799,537	$139,532	$164.14	$132.92 - $179.49
Q3 2023	914,065	$152,982	$168.59	$160.37 - $178.33
Q2 2023	1,071,312	$176,150	$146.18	$129.70 - $164.80
Q1 2023	1,290,695	$183,995	$130.22	$110.96 - $144.20
Q4 2022	1,560,034	$178	$116.83	$109.07 - $125.41
Q3 2022	1,655,982	$182,125	$107.08	$83.56 - $124.49
Q2 2022	1,634,410	$143,287	$96.49	$81.56 - $115.00
Q1 2022	1,672,165	$186,684	$98.73	$87.11 - $113.71
Q4 2021	1,672,517	$166,859	$105.37	$90.25 - $118.89
Q3 2021	1,694,456	$176,010	$98.39	$89.03 - $106.90
Q2 2021	1,694,637	$157,829	$90.87	$83.56 - $96.47
Q1 2021	1,834,723	$154,230	$84.13	$73.69 - $91.94
Q4 2020	1,846,594	$140,523	$67.02	$52.22 - $77.16
Q3 2020	1,865,625	$104,530	$59.23	$52.29 - $67.07
Q2 2020	1,872,508	$112,311	$55.73	$44.36 - $71.22
Q1 2020	1,797,047	$92,254	$73.03	$29.45 - $88.40
Q4 2019	1,798,454	$154,219	$81.27	$71.31 - $88.01
Q3 2019	1,912,824	$147,666	$73.96	$67.83 - $80.06
Q2 2019	1,977,034	$140,564	$69.62	$62.54 - $77.24
Q1 2019	1,969,494	$140,877	$61.79	$48.13 - $72.26
Q4 2018	1,977,519	$97,589	$62.29	$46.21 - $72.46
Q3 2018	2,016,240	$144,321	$63.60	$54.90 - $72.50
Q2 2018	1,989,511	$110,515	$51.36	$44.75 - $56.00
Q1 2018	1,937,816	$94,585	$52.41	$46.62 - $57.97
Q4 2017	1,855,446	$100,564	$54.14	$51.43 - $58.22
Q3 2017	1,903,264	$107,915	$54.44	$49.63 - $58.28
Q2 2017	1,887,610	$105,383	$57.50	$53.17 - $61.62
Q1 2017	1,879,515	$104,537	$55.34	$52.77 - $59.17
Q4 2016	1,819,080	$101,232	$50.41	$43.03 - $58.23
Q3 2016	1,744,147	$83,684	$49.57	$44.91 - $53.79
Q2 2016	1,717,810	$89,513	$50.01	$46.40 - $54.54
Q1 2016	1,531,697	$75,575	$43.78	$37.09 - $49.97
Q4 2015	1,311,959	$54,645	$43.45	$39.89 - $48.05
Q3 2015	1,011,716	$44,484	$49.63	$43.00 - $54.31
Q2 2015	692,094	$37,193	$55.82	$50.65 - $59.29
Q1 2015	561,123	$31,859	$51.78	$44.70 - $58.44
Q4 2014	537,830	$25,845	$48.74	$43.05 - $53.84
Q3 2014	394,764	$21,287	$58.81	$53.66 - $65.53
Q2 2014	308,653	$19,830	$59.46	$52.02 - $64.30
Q1 2014	255,114	$13,979	$54.49	$44.95 - $60.47
Q4 2013	219,224	$13,143	$57.66	$51.77 - $64.12
Q3 2013	175,953	$10,318	$55.80	$50.23 - $59.80
Q2 2013	163,578	$8,267	$55.73	$50.37 - $61.28