CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 456,800 Value ($000) $107,110 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 475,011 Value ($000) $110,307 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 470,427 Value ($000) $108,753 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 489,738 Value ($000) $96,527 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 498,217 Value ($000) $114,660 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 389,008 Value ($000) $94,027 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 392,191 Value ($000) $88,694 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 353,633 Value ($000) $71,190 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 395,238 Value ($000) $68,973 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 391,138 Value ($000) $65,461 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 399,598 Value ($000) $65,706 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 412,092 Value ($000) $58,748 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 412,145 Value ($000) $47,034 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 415,348 Value ($000) $45,679 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 412,727 Value ($000) $36,184 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 421,032 Value ($000) $47,005 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 425,629 Value ($000) $42,465 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 423,347 Value ($000) $43,973 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 454,794 Value ($000) $42,361 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 471,258 Value ($000) $39,613 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 440,248 Value ($000) $33,502 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 441,171 Value ($000) $24,718 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 453,964 Value ($000) $27,228 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 499,525 Value ($000) $25,646 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 491,698 Value ($000) $42,163 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 483,287 Value ($000) $37,311 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 490,300 Value ($000) $34,861 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 489,780 Value ($000) $35,034 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 465,000 Value ($000) $22,948 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 455,077 Value ($000) $32,574 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 454,806 Value ($000) $25,265 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 410,633 Value ($000) $20,044 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 409,657 Value ($000) $22,203 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 435,407 Value ($000) $24,688 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 457,077 Value ($000) $25,519 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 456,563 Value ($000) $25,394 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 447,252 Value ($000) $24,890 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 477,961 Value ($000) $22,933 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 475,412 Value ($000) $24,774 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 463,849 Value ($000) $22,570 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 459,070 Value ($000) $19,121 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 497,888 Value ($000) $21,891 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 426,310 Value ($000) $22,910 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 472,557 Value ($000) $26,832 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 587,183 Value ($000) $28,214 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 489,673 Value ($000) $26,403 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 464,644 Value ($000) $29,853 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 498,328 Value ($000) $27,304 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 443,805 Value ($000) $26,611 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 469,425 Value ($000) $27,536 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 461,973 Value ($000) $23,343 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	456,800	$107,110	$228.49	$201.34 - $248.07
Q3 2025	475,011	$110,307	$236.75	$218.46 - $251.43
Q2 2025	470,427	$108,753	$218.92	$178.29 - $235.43
Q1 2025	489,738	$96,527	$218.84	$186.54 - $247.51
Q4 2024	498,217	$114,660	$248.40	$220.10 - $267.11
Q3 2024	389,008	$94,027	$235.10	$217.36 - $251.65
Q2 2024	392,191	$88,694	$209.64	$189.32 - $231.15
Q1 2024	353,633	$71,190	$179.73	$161.39 - $202.58
Q4 2023	395,238	$68,973	$164.14	$132.92 - $179.49
Q3 2023	391,138	$65,461	$168.59	$160.37 - $178.33
Q2 2023	399,598	$65,706	$146.18	$129.70 - $164.80
Q1 2023	412,092	$58,748	$130.22	$110.96 - $144.20
Q4 2022	412,145	$47,034	$116.83	$109.07 - $125.41
Q3 2022	415,348	$45,679	$107.08	$83.56 - $124.49
Q2 2022	412,727	$36,184	$96.49	$81.56 - $115.00
Q1 2022	421,032	$47,005	$98.73	$87.11 - $113.71
Q4 2021	425,629	$42,465	$105.37	$90.25 - $118.89
Q3 2021	423,347	$43,973	$98.39	$89.03 - $106.90
Q2 2021	454,794	$42,361	$90.87	$83.56 - $96.47
Q1 2021	471,258	$39,613	$84.13	$73.69 - $91.94
Q4 2020	440,248	$33,502	$67.02	$52.22 - $77.16
Q3 2020	441,171	$24,718	$59.23	$52.29 - $67.07
Q2 2020	453,964	$27,228	$55.73	$44.36 - $71.22
Q1 2020	499,525	$25,646	$73.03	$29.45 - $88.40
Q4 2019	491,698	$42,163	$81.27	$71.31 - $88.01
Q3 2019	483,287	$37,311	$73.96	$67.83 - $80.06
Q2 2019	490,300	$34,861	$69.62	$62.54 - $77.24
Q1 2019	489,780	$35,034	$61.79	$48.13 - $72.26
Q4 2018	465,000	$22,948	$62.29	$46.21 - $72.46
Q3 2018	455,077	$32,574	$63.60	$54.90 - $72.50
Q2 2018	454,806	$25,265	$51.36	$44.75 - $56.00
Q1 2018	410,633	$20,044	$52.41	$46.62 - $57.97
Q4 2017	409,657	$22,203	$54.14	$51.43 - $58.22
Q3 2017	435,407	$24,688	$54.44	$49.63 - $58.28
Q2 2017	457,077	$25,519	$57.50	$53.17 - $61.62
Q1 2017	456,563	$25,394	$55.34	$52.77 - $59.17
Q4 2016	447,252	$24,890	$50.41	$43.03 - $58.23
Q3 2016	477,961	$22,933	$49.57	$44.91 - $53.79
Q2 2016	475,412	$24,774	$50.01	$46.40 - $54.54
Q1 2016	463,849	$22,570	$43.78	$37.09 - $49.97
Q4 2015	459,070	$19,121	$43.45	$39.89 - $48.05
Q3 2015	497,888	$21,891	$49.63	$43.00 - $54.31
Q2 2015	426,310	$22,910	$55.82	$50.65 - $59.29
Q1 2015	472,557	$26,832	$51.78	$44.70 - $58.44
Q4 2014	587,183	$28,214	$48.74	$43.05 - $53.84
Q3 2014	489,673	$26,403	$58.81	$53.66 - $65.53
Q2 2014	464,644	$29,853	$59.46	$52.02 - $64.30
Q1 2014	498,328	$27,304	$54.49	$44.95 - $60.47
Q4 2013	443,805	$26,611	$57.66	$51.77 - $64.12
Q3 2013	469,425	$27,536	$55.80	$50.23 - $59.80
Q2 2013	461,973	$23,343	$55.73	$50.37 - $61.28