CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q4 2025

Shares 18,283 Value ($000) $4,287 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 223,057 Value ($000) $51,799 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 259,447 Value ($000) $59,979 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 306,047 Value ($000) $60,322 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 355,218 Value ($000) $81,750 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 333,610 Value ($000) $80,637 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 342,917 Value ($000) $77,551 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 313,089 Value ($000) $63,028 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 313,767 Value ($000) $54,756 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 316,911 Value ($000) $53,038 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 381,715 Value ($000) $62,765 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 518,344 Value ($000) $73,807 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 507,775 Value ($000) $57,947 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 549,723 Value ($000) $60,459 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 515,103 Value ($000) $45,160 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 587,583 Value ($000) $65,597 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 546,703 Value ($000) $54,544 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 897,090 Value ($000) $93,181 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 542,806 Value ($000) $50,557 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 467,494 Value ($000) $39,298 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 394,368 Value ($000) $30,011 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 346,463 Value ($000) $19,412 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 349,265 Value ($000) $20,949 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 310,317 Value ($000) $15,932 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 197,036 Value ($000) $16,896 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 223,360 Value ($000) $17,243 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 195,235 Value ($000) $13,881 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 209,674 Value ($000) $14,998 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 198,431 Value ($000) $9,793 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 202,863 Value ($000) $14,521 Avg Close $63.60 Range $54.90 - $72.50

Q4 2016

Shares 593,436 Value ($000) $33,025 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 1,376,227 Value ($000) $66,031 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 1,604,392 Value ($000) $83,605 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 2,129,625 Value ($000) $105,076 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 2,508,803 Value ($000) $104,492 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 1,978,039 Value ($000) $86,974 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 1,753,414 Value ($000) $94,228 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 1,682,533 Value ($000) $95,534 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 1,771,407 Value ($000) $85,116 Avg Close $48.74 Range $43.05 - $53.84

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	18,283	$4,287	$228.49	$201.34 - $248.07
Q3 2025	223,057	$51,799	$236.75	$218.46 - $251.43
Q2 2025	259,447	$59,979	$218.92	$178.29 - $235.43
Q1 2025	306,047	$60,322	$218.84	$186.54 - $247.51
Q4 2024	355,218	$81,750	$248.40	$220.10 - $267.11
Q3 2024	333,610	$80,637	$235.10	$217.36 - $251.65
Q2 2024	342,917	$77,551	$209.64	$189.32 - $231.15
Q1 2024	313,089	$63,028	$179.73	$161.39 - $202.58
Q4 2023	313,767	$54,756	$164.14	$132.92 - $179.49
Q3 2023	316,911	$53,038	$168.59	$160.37 - $178.33
Q2 2023	381,715	$62,765	$146.18	$129.70 - $164.80
Q1 2023	518,344	$73,807	$130.22	$110.96 - $144.20
Q4 2022	507,775	$57,947	$116.83	$109.07 - $125.41
Q3 2022	549,723	$60,459	$107.08	$83.56 - $124.49
Q2 2022	515,103	$45,160	$96.49	$81.56 - $115.00
Q1 2022	587,583	$65,597	$98.73	$87.11 - $113.71
Q4 2021	546,703	$54,544	$105.37	$90.25 - $118.89
Q3 2021	897,090	$93,181	$98.39	$89.03 - $106.90
Q2 2021	542,806	$50,557	$90.87	$83.56 - $96.47
Q1 2021	467,494	$39,298	$84.13	$73.69 - $91.94
Q4 2020	394,368	$30,011	$67.02	$52.22 - $77.16
Q3 2020	346,463	$19,412	$59.23	$52.29 - $67.07
Q2 2020	349,265	$20,949	$55.73	$44.36 - $71.22
Q1 2020	310,317	$15,932	$73.03	$29.45 - $88.40
Q4 2019	197,036	$16,896	$81.27	$71.31 - $88.01
Q3 2019	223,360	$17,243	$73.96	$67.83 - $80.06
Q2 2019	195,235	$13,881	$69.62	$62.54 - $77.24
Q1 2019	209,674	$14,998	$61.79	$48.13 - $72.26
Q4 2018	198,431	$9,793	$62.29	$46.21 - $72.46
Q3 2018	202,863	$14,521	$63.60	$54.90 - $72.50
Q4 2016	593,436	$33,025	$50.41	$43.03 - $58.23
Q3 2016	1,376,227	$66,031	$49.57	$44.91 - $53.79
Q2 2016	1,604,392	$83,605	$50.01	$46.40 - $54.54
Q1 2016	2,129,625	$105,076	$43.78	$37.09 - $49.97
Q4 2015	2,508,803	$104,492	$43.45	$39.89 - $48.05
Q3 2015	1,978,039	$86,974	$49.63	$43.00 - $54.31
Q2 2015	1,753,414	$94,228	$55.82	$50.65 - $59.29
Q1 2015	1,682,533	$95,534	$51.78	$44.70 - $58.44
Q4 2014	1,771,407	$85,116	$48.74	$43.05 - $53.84