CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

MORGAN STANLEY's Holding History (CIK: 0000895421)

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

Q4 2025

Shares 264,242 Value ($000) $61,960 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 273,880 Value ($000) $63,601 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 236,698 Value ($000) $54,720 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 246,328 Value ($000) $48,552 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 306,516 Value ($000) $70,542 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 290,478 Value ($000) $70,212 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 280,555 Value ($000) $63,448 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 365,110 Value ($000) $73,501 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 301,615 Value ($000) $52,635 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 291,880 Value ($000) $48,849 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 299,506 Value ($000) $49,248 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 306,326 Value ($000) $43,670 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 263,571 Value ($000) $30,079 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 302,675 Value ($000) $33,289 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 274,522 Value ($000) $24,066 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 230,536 Value ($000) $25,736 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 266,551 Value ($000) $26,594 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 212,475 Value ($000) $22,070 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 201,813 Value ($000) $18,797 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 118,839 Value ($000) $9,989 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 50,045 Value ($000) $3,808 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 13,503 Value ($000) $757 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 38,607 Value ($000) $2,315 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 15,491 Value ($000) $795 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 47,704 Value ($000) $4,090 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 11,149 Value ($000) $860 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 11,263 Value ($000) $800 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 444,678 Value ($000) $31,807 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 413,836 Value ($000) $20,423 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 74,285 Value ($000) $5,316 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 66,943 Value ($000) $3,719 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 132,055 Value ($000) $6,445 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 129,563 Value ($000) $7,022 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 115,387 Value ($000) $6,543 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 76,127 Value ($000) $4,249 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 106,974 Value ($000) $5,950 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 95,871 Value ($000) $5,335 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 48,234 Value ($000) $2,314 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 45,437 Value ($000) $2,367 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 16,747 Value ($000) $826 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 73,084 Value ($000) $3,044 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 34,151 Value ($000) $1,501 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 83,895 Value ($000) $4,509 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 56,898 Value ($000) $3,230 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 41,141 Value ($000) $1,977 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 64,080 Value ($000) $3,454 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 84,027 Value ($000) $5,398 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 37,458 Value ($000) $2,051 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 53,311 Value ($000) $3,197 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 42,243 Value ($000) $2,478 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 140,966 Value ($000) $7,123 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	264,242	$61,960	$228.49	$201.34 - $248.07
Q3 2025	273,880	$63,601	$236.75	$218.46 - $251.43
Q2 2025	236,698	$54,720	$218.92	$178.29 - $235.43
Q1 2025	246,328	$48,552	$218.84	$186.54 - $247.51
Q4 2024	306,516	$70,542	$248.40	$220.10 - $267.11
Q3 2024	290,478	$70,212	$235.10	$217.36 - $251.65
Q2 2024	280,555	$63,448	$209.64	$189.32 - $231.15
Q1 2024	365,110	$73,501	$179.73	$161.39 - $202.58
Q4 2023	301,615	$52,635	$164.14	$132.92 - $179.49
Q3 2023	291,880	$48,849	$168.59	$160.37 - $178.33
Q2 2023	299,506	$49,248	$146.18	$129.70 - $164.80
Q1 2023	306,326	$43,670	$130.22	$110.96 - $144.20
Q4 2022	263,571	$30,079	$116.83	$109.07 - $125.41
Q3 2022	302,675	$33,289	$107.08	$83.56 - $124.49
Q2 2022	274,522	$24,066	$96.49	$81.56 - $115.00
Q1 2022	230,536	$25,736	$98.73	$87.11 - $113.71
Q4 2021	266,551	$26,594	$105.37	$90.25 - $118.89
Q3 2021	212,475	$22,070	$98.39	$89.03 - $106.90
Q2 2021	201,813	$18,797	$90.87	$83.56 - $96.47
Q1 2021	118,839	$9,989	$84.13	$73.69 - $91.94
Q4 2020	50,045	$3,808	$67.02	$52.22 - $77.16
Q3 2020	13,503	$757	$59.23	$52.29 - $67.07
Q2 2020	38,607	$2,315	$55.73	$44.36 - $71.22
Q1 2020	15,491	$795	$73.03	$29.45 - $88.40
Q4 2019	47,704	$4,090	$81.27	$71.31 - $88.01
Q3 2019	11,149	$860	$73.96	$67.83 - $80.06
Q2 2019	11,263	$800	$69.62	$62.54 - $77.24
Q1 2019	444,678	$31,807	$61.79	$48.13 - $72.26
Q4 2018	413,836	$20,423	$62.29	$46.21 - $72.46
Q3 2018	74,285	$5,316	$63.60	$54.90 - $72.50
Q2 2018	66,943	$3,719	$51.36	$44.75 - $56.00
Q1 2018	132,055	$6,445	$52.41	$46.62 - $57.97
Q4 2017	129,563	$7,022	$54.14	$51.43 - $58.22
Q3 2017	115,387	$6,543	$54.44	$49.63 - $58.28
Q2 2017	76,127	$4,249	$57.50	$53.17 - $61.62
Q1 2017	106,974	$5,950	$55.34	$52.77 - $59.17
Q4 2016	95,871	$5,335	$50.41	$43.03 - $58.23
Q3 2016	48,234	$2,314	$49.57	$44.91 - $53.79
Q2 2016	45,437	$2,367	$50.01	$46.40 - $54.54
Q1 2016	16,747	$826	$43.78	$37.09 - $49.97
Q4 2015	73,084	$3,044	$43.45	$39.89 - $48.05
Q3 2015	34,151	$1,501	$49.63	$43.00 - $54.31
Q2 2015	83,895	$4,509	$55.82	$50.65 - $59.29
Q1 2015	56,898	$3,230	$51.78	$44.70 - $58.44
Q4 2014	41,141	$1,977	$48.74	$43.05 - $53.84
Q3 2014	64,080	$3,454	$58.81	$53.66 - $65.53
Q2 2014	84,027	$5,398	$59.46	$52.02 - $64.30
Q1 2014	37,458	$2,051	$54.49	$44.95 - $60.47
Q4 2013	53,311	$3,197	$57.66	$51.77 - $64.12
Q3 2013	42,243	$2,478	$55.80	$50.23 - $59.80
Q2 2013	140,966	$7,123	$55.73	$50.37 - $61.28