CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

NORGES BANK's Holding History (CIK: 0001374170)

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

Q4 2025

Shares 649,075 Value ($000) $152,195 Avg Close $228.49 Range $201.34 - $248.07

Q2 2025

Shares 638,600 Value ($000) $147,632 Avg Close $218.92 Range $178.29 - $235.43

Q4 2024

Shares 595,179 Value ($000) $136,974 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 594,631 Value ($000) $143,728 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 595,386 Value ($000) $134,647 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 582,724 Value ($000) $117,308 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 498,961 Value ($000) $87,074 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 530,802 Value ($000) $88,835 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 558,372 Value ($000) $91,813 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 588,055 Value ($000) $83,833 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 578,460 Value ($000) $66,014 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 524,892 Value ($000) $57,728 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 502,633 Value ($000) $44,066 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 509,230 Value ($000) $56,850 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 529,661 Value ($000) $52,844 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 529,661 Value ($000) $55,016 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 444,828 Value ($000) $41,431 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 490,778 Value ($000) $41,255 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 615,637 Value ($000) $46,850 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 615,637 Value ($000) $34,494 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 615,637 Value ($000) $36,926 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 547,601 Value ($000) $28,114 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 547,601 Value ($000) $46,957 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 532,619 Value ($000) $41,118 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 519,458 Value ($000) $36,934 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 519,458 Value ($000) $37,157 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 475,868 Value ($000) $23,484 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 475,868 Value ($000) $34,062 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 419,895 Value ($000) $23,325 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 419,895 Value ($000) $20,495 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 497,435 Value ($000) $26,961 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 343,455 Value ($000) $19,474 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 343,455 Value ($000) $19,175 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 412,384 Value ($000) $22,937 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 641,267 Value ($000) $35,686 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 517,631 Value ($000) $23,721 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 517,631 Value ($000) $26,974 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 489,586 Value ($000) $24,156 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 815,876 Value ($000) $33,981 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 1,452,176 Value ($000) $63,852 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 1,787,325 Value ($000) $96,051 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 1,663,280 Value ($000) $94,441 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 2,195,331 Value ($000) $105,485 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 1,305,011 Value ($000) $70,366 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 1,305,011 Value ($000) $83,847 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 1,772,278 Value ($000) $97,103 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 2,851,134 Value ($000) $170,954 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 3,151,134 Value ($000) $184,846 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 3,071,134 Value ($000) $155,185 Avg Close $55.73 Range $50.37 - $61.28

Q1 2013

Shares 1,940,285 Value ($000) $112,711 Avg Close $54.78 Range $48.22 - $60.00

Q3 2012

Shares 554,333 Value ($000) $27,079 Avg Close — Range —

Q2 2012

Shares 494,412 Value ($000) $29,932 Avg Close — Range —

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	649,075	$152,195	$228.49	$201.34 - $248.07
Q2 2025	638,600	$147,632	$218.92	$178.29 - $235.43
Q4 2024	595,179	$136,974	$248.40	$220.10 - $267.11
Q3 2024	594,631	$143,728	$235.10	$217.36 - $251.65
Q2 2024	595,386	$134,647	$209.64	$189.32 - $231.15
Q1 2024	582,724	$117,308	$179.73	$161.39 - $202.58
Q4 2023	498,961	$87,074	$164.14	$132.92 - $179.49
Q3 2023	530,802	$88,835	$168.59	$160.37 - $178.33
Q2 2023	558,372	$91,813	$146.18	$129.70 - $164.80
Q1 2023	588,055	$83,833	$130.22	$110.96 - $144.20
Q4 2022	578,460	$66,014	$116.83	$109.07 - $125.41
Q3 2022	524,892	$57,728	$107.08	$83.56 - $124.49
Q2 2022	502,633	$44,066	$96.49	$81.56 - $115.00
Q1 2022	509,230	$56,850	$98.73	$87.11 - $113.71
Q4 2021	529,661	$52,844	$105.37	$90.25 - $118.89
Q3 2021	529,661	$55,016	$98.39	$89.03 - $106.90
Q2 2021	444,828	$41,431	$90.87	$83.56 - $96.47
Q1 2021	490,778	$41,255	$84.13	$73.69 - $91.94
Q4 2020	615,637	$46,850	$67.02	$52.22 - $77.16
Q3 2020	615,637	$34,494	$59.23	$52.29 - $67.07
Q2 2020	615,637	$36,926	$55.73	$44.36 - $71.22
Q1 2020	547,601	$28,114	$73.03	$29.45 - $88.40
Q4 2019	547,601	$46,957	$81.27	$71.31 - $88.01
Q3 2019	532,619	$41,118	$73.96	$67.83 - $80.06
Q2 2019	519,458	$36,934	$69.62	$62.54 - $77.24
Q1 2019	519,458	$37,157	$61.79	$48.13 - $72.26
Q4 2018	475,868	$23,484	$62.29	$46.21 - $72.46
Q3 2018	475,868	$34,062	$63.60	$54.90 - $72.50
Q2 2018	419,895	$23,325	$51.36	$44.75 - $56.00
Q1 2018	419,895	$20,495	$52.41	$46.62 - $57.97
Q4 2017	497,435	$26,961	$54.14	$51.43 - $58.22
Q3 2017	343,455	$19,474	$54.44	$49.63 - $58.28
Q2 2017	343,455	$19,175	$57.50	$53.17 - $61.62
Q1 2017	412,384	$22,937	$55.34	$52.77 - $59.17
Q4 2016	641,267	$35,686	$50.41	$43.03 - $58.23
Q3 2016	517,631	$23,721	$49.57	$44.91 - $53.79
Q2 2016	517,631	$26,974	$50.01	$46.40 - $54.54
Q1 2016	489,586	$24,156	$43.78	$37.09 - $49.97
Q4 2015	815,876	$33,981	$43.45	$39.89 - $48.05
Q3 2015	1,452,176	$63,852	$49.63	$43.00 - $54.31
Q2 2015	1,787,325	$96,051	$55.82	$50.65 - $59.29
Q1 2015	1,663,280	$94,441	$51.78	$44.70 - $58.44
Q4 2014	2,195,331	$105,485	$48.74	$43.05 - $53.84
Q3 2014	1,305,011	$70,366	$58.81	$53.66 - $65.53
Q2 2014	1,305,011	$83,847	$59.46	$52.02 - $64.30
Q1 2014	1,772,278	$97,103	$54.49	$44.95 - $60.47
Q4 2013	2,851,134	$170,954	$57.66	$51.77 - $64.12
Q3 2013	3,151,134	$184,846	$55.80	$50.23 - $59.80
Q2 2013	3,071,134	$155,185	$55.73	$50.37 - $61.28
Q1 2013	1,940,285	$112,711	$54.78	$48.22 - $60.00
Q3 2012	554,333	$27,079	—	—
Q2 2012	494,412	$29,932	—	—