CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 63,852 Value ($000) $14,972 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 62,924 Value ($000) $14,612 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 63,795 Value ($000) $14,748 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 64,790 Value ($000) $12,770 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 66,913 Value ($000) $15,399 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 69,844 Value ($000) $16,882 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 71,917 Value ($000) $16,264 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 77,702 Value ($000) $15,642 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 77,196 Value ($000) $13,471 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 77,125 Value ($000) $12,908 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 81,081 Value ($000) $13,332 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 82,575 Value ($000) $11,772 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 85,046 Value ($000) $9,705 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 86,569 Value ($000) $9,521 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 88,288 Value ($000) $7,740 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 85,018 Value ($000) $9,491 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 84,219 Value ($000) $8,403 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 84,569 Value ($000) $8,784 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 82,318 Value ($000) $7,667 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 82,470 Value ($000) $6,932 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 80,131 Value ($000) $6,098 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 82,651 Value ($000) $4,631 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 84,326 Value ($000) $5,058 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 85,506 Value ($000) $4,390 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 86,346 Value ($000) $7,404 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 83,606 Value ($000) $6,454 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 90,506 Value ($000) $6,435 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 91,239 Value ($000) $6,526 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 91,519 Value ($000) $4,516 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 32,603 Value ($000) $2,334 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 33,633 Value ($000) $1,868 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 36,861 Value ($000) $1,799 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 36,939 Value ($000) $2,002 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 37,169 Value ($000) $2,107 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 37,296 Value ($000) $2,082 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 39,026 Value ($000) $2,171 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 40,126 Value ($000) $2,233 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 40,917 Value ($000) $1,963 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 41,267 Value ($000) $2,150 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 40,650 Value ($000) $2,006 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 40,644 Value ($000) $1,693 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 41,694 Value ($000) $1,833 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 41,524 Value ($000) $2,231 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 42,474 Value ($000) $2,412 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 43,524 Value ($000) $2,091 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 43,924 Value ($000) $2,368 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 43,904 Value ($000) $2,821 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 42,378 Value ($000) $2,322 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 43,926 Value ($000) $2,634 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 44,814 Value ($000) $2,629 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 44,790 Value ($000) $2,263 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	63,852	$14,972	$228.49	$201.34 - $248.07
Q3 2025	62,924	$14,612	$236.75	$218.46 - $251.43
Q2 2025	63,795	$14,748	$218.92	$178.29 - $235.43
Q1 2025	64,790	$12,770	$218.84	$186.54 - $247.51
Q4 2024	66,913	$15,399	$248.40	$220.10 - $267.11
Q3 2024	69,844	$16,882	$235.10	$217.36 - $251.65
Q2 2024	71,917	$16,264	$209.64	$189.32 - $231.15
Q1 2024	77,702	$15,642	$179.73	$161.39 - $202.58
Q4 2023	77,196	$13,471	$164.14	$132.92 - $179.49
Q3 2023	77,125	$12,908	$168.59	$160.37 - $178.33
Q2 2023	81,081	$13,332	$146.18	$129.70 - $164.80
Q1 2023	82,575	$11,772	$130.22	$110.96 - $144.20
Q4 2022	85,046	$9,705	$116.83	$109.07 - $125.41
Q3 2022	86,569	$9,521	$107.08	$83.56 - $124.49
Q2 2022	88,288	$7,740	$96.49	$81.56 - $115.00
Q1 2022	85,018	$9,491	$98.73	$87.11 - $113.71
Q4 2021	84,219	$8,403	$105.37	$90.25 - $118.89
Q3 2021	84,569	$8,784	$98.39	$89.03 - $106.90
Q2 2021	82,318	$7,667	$90.87	$83.56 - $96.47
Q1 2021	82,470	$6,932	$84.13	$73.69 - $91.94
Q4 2020	80,131	$6,098	$67.02	$52.22 - $77.16
Q3 2020	82,651	$4,631	$59.23	$52.29 - $67.07
Q2 2020	84,326	$5,058	$55.73	$44.36 - $71.22
Q1 2020	85,506	$4,390	$73.03	$29.45 - $88.40
Q4 2019	86,346	$7,404	$81.27	$71.31 - $88.01
Q3 2019	83,606	$6,454	$73.96	$67.83 - $80.06
Q2 2019	90,506	$6,435	$69.62	$62.54 - $77.24
Q1 2019	91,239	$6,526	$61.79	$48.13 - $72.26
Q4 2018	91,519	$4,516	$62.29	$46.21 - $72.46
Q3 2018	32,603	$2,334	$63.60	$54.90 - $72.50
Q2 2018	33,633	$1,868	$51.36	$44.75 - $56.00
Q1 2018	36,861	$1,799	$52.41	$46.62 - $57.97
Q4 2017	36,939	$2,002	$54.14	$51.43 - $58.22
Q3 2017	37,169	$2,107	$54.44	$49.63 - $58.28
Q2 2017	37,296	$2,082	$57.50	$53.17 - $61.62
Q1 2017	39,026	$2,171	$55.34	$52.77 - $59.17
Q4 2016	40,126	$2,233	$50.41	$43.03 - $58.23
Q3 2016	40,917	$1,963	$49.57	$44.91 - $53.79
Q2 2016	41,267	$2,150	$50.01	$46.40 - $54.54
Q1 2016	40,650	$2,006	$43.78	$37.09 - $49.97
Q4 2015	40,644	$1,693	$43.45	$39.89 - $48.05
Q3 2015	41,694	$1,833	$49.63	$43.00 - $54.31
Q2 2015	41,524	$2,231	$55.82	$50.65 - $59.29
Q1 2015	42,474	$2,412	$51.78	$44.70 - $58.44
Q4 2014	43,524	$2,091	$48.74	$43.05 - $53.84
Q3 2014	43,924	$2,368	$58.81	$53.66 - $65.53
Q2 2014	43,904	$2,821	$59.46	$52.02 - $64.30
Q1 2014	42,378	$2,322	$54.49	$44.95 - $60.47
Q4 2013	43,926	$2,634	$57.66	$51.77 - $64.12
Q3 2013	44,814	$2,629	$55.80	$50.23 - $59.80
Q2 2013	44,790	$2,263	$55.73	$50.37 - $61.28