CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

Retirement Systems of Alabama's Holding History (CIK: 0001593051)

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

Q4 2025

Shares 90,828 Value ($000) $21,297 Avg Close $228.49 Range $201.34 - $248.07

Q3 2025

Shares 91,505 Value ($000) $21,249 Avg Close $236.75 Range $218.46 - $251.43

Q2 2025

Shares 105,008 Value ($000) $24,276 Avg Close $218.92 Range $178.29 - $235.43

Q1 2025

Shares 112,816 Value ($000) $22,236 Avg Close $218.84 Range $186.54 - $247.51

Q4 2024

Shares 112,753 Value ($000) $25,949 Avg Close $248.40 Range $220.10 - $267.11

Q3 2024

Shares 113,423 Value ($000) $27,415 Avg Close $235.10 Range $217.36 - $251.65

Q2 2024

Shares 121,102 Value ($000) $27,387 Avg Close $209.64 Range $189.32 - $231.15

Q1 2024

Shares 122,356 Value ($000) $24,631 Avg Close $179.73 Range $161.39 - $202.58

Q4 2023

Shares 120,527 Value ($000) $21,033 Avg Close $164.14 Range $132.92 - $179.49

Q3 2023

Shares 120,336 Value ($000) $20,139 Avg Close $168.59 Range $160.37 - $178.33

Q2 2023

Shares 131,236 Value ($000) $21,579 Avg Close $146.18 Range $129.70 - $164.80

Q1 2023

Shares 134,147 Value ($000) $19,124 Avg Close $130.22 Range $110.96 - $144.20

Q4 2022

Shares 144,843 Value ($000) $16,529 Avg Close $116.83 Range $109.07 - $125.41

Q3 2022

Shares 149,062 Value ($000) $16,394 Avg Close $107.08 Range $83.56 - $124.49

Q2 2022

Shares 151,466 Value ($000) $13,279 Avg Close $96.49 Range $81.56 - $115.00

Q1 2022

Shares 151,182 Value ($000) $16,878 Avg Close $98.73 Range $87.11 - $113.71

Q4 2021

Shares 156,541 Value ($000) $15,618 Avg Close $105.37 Range $90.25 - $118.89

Q3 2021

Shares 157,071 Value ($000) $16,315 Avg Close $98.39 Range $89.03 - $106.90

Q2 2021

Shares 152,813 Value ($000) $14,233 Avg Close $90.87 Range $83.56 - $96.47

Q1 2021

Shares 153,561 Value ($000) $12,908 Avg Close $84.13 Range $73.69 - $91.94

Q4 2020

Shares 150,686 Value ($000) $11,467 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 151,262 Value ($000) $8,475 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 147,193 Value ($000) $8,829 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 143,840 Value ($000) $7,385 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 134,575 Value ($000) $11,540 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 66,806 Value ($000) $5,157 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 66,132 Value ($000) $4,702 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 66,166 Value ($000) $4,733 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 66,079 Value ($000) $3,261 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 65,960 Value ($000) $4,721 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 66,211 Value ($000) $3,678 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 66,504 Value ($000) $3,246 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 66,992 Value ($000) $3,631 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 67,107 Value ($000) $3,805 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 67,114 Value ($000) $3,747 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 67,290 Value ($000) $3,743 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 67,444 Value ($000) $3,753 Avg Close $50.41 Range $43.03 - $58.23

Q3 2016

Shares 67,422 Value ($000) $3,235 Avg Close $49.57 Range $44.91 - $53.79

Q2 2016

Shares 67,560 Value ($000) $3,521 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 67,593 Value ($000) $3,335 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 67,338 Value ($000) $2,805 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 67,432 Value ($000) $2,965 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 67,760 Value ($000) $3,641 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 68,035 Value ($000) $3,863 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 67,264 Value ($000) $3,232 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 67,264 Value ($000) $3,627 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 69,044 Value ($000) $4,436 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 174,569 Value ($000) $9,565 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 173,330 Value ($000) $10,393 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 173,330 Value ($000) $10,168 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 170,181 Value ($000) $8,599 Avg Close $55.73 Range $50.37 - $61.28

Q1 2013

Shares 167,913 Value ($000) $9,754 Avg Close $54.78 Range $48.22 - $60.00

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	90,828	$21,297	$228.49	$201.34 - $248.07
Q3 2025	91,505	$21,249	$236.75	$218.46 - $251.43
Q2 2025	105,008	$24,276	$218.92	$178.29 - $235.43
Q1 2025	112,816	$22,236	$218.84	$186.54 - $247.51
Q4 2024	112,753	$25,949	$248.40	$220.10 - $267.11
Q3 2024	113,423	$27,415	$235.10	$217.36 - $251.65
Q2 2024	121,102	$27,387	$209.64	$189.32 - $231.15
Q1 2024	122,356	$24,631	$179.73	$161.39 - $202.58
Q4 2023	120,527	$21,033	$164.14	$132.92 - $179.49
Q3 2023	120,336	$20,139	$168.59	$160.37 - $178.33
Q2 2023	131,236	$21,579	$146.18	$129.70 - $164.80
Q1 2023	134,147	$19,124	$130.22	$110.96 - $144.20
Q4 2022	144,843	$16,529	$116.83	$109.07 - $125.41
Q3 2022	149,062	$16,394	$107.08	$83.56 - $124.49
Q2 2022	151,466	$13,279	$96.49	$81.56 - $115.00
Q1 2022	151,182	$16,878	$98.73	$87.11 - $113.71
Q4 2021	156,541	$15,618	$105.37	$90.25 - $118.89
Q3 2021	157,071	$16,315	$98.39	$89.03 - $106.90
Q2 2021	152,813	$14,233	$90.87	$83.56 - $96.47
Q1 2021	153,561	$12,908	$84.13	$73.69 - $91.94
Q4 2020	150,686	$11,467	$67.02	$52.22 - $77.16
Q3 2020	151,262	$8,475	$59.23	$52.29 - $67.07
Q2 2020	147,193	$8,829	$55.73	$44.36 - $71.22
Q1 2020	143,840	$7,385	$73.03	$29.45 - $88.40
Q4 2019	134,575	$11,540	$81.27	$71.31 - $88.01
Q3 2019	66,806	$5,157	$73.96	$67.83 - $80.06
Q2 2019	66,132	$4,702	$69.62	$62.54 - $77.24
Q1 2019	66,166	$4,733	$61.79	$48.13 - $72.26
Q4 2018	66,079	$3,261	$62.29	$46.21 - $72.46
Q3 2018	65,960	$4,721	$63.60	$54.90 - $72.50
Q2 2018	66,211	$3,678	$51.36	$44.75 - $56.00
Q1 2018	66,504	$3,246	$52.41	$46.62 - $57.97
Q4 2017	66,992	$3,631	$54.14	$51.43 - $58.22
Q3 2017	67,107	$3,805	$54.44	$49.63 - $58.28
Q2 2017	67,114	$3,747	$57.50	$53.17 - $61.62
Q1 2017	67,290	$3,743	$55.34	$52.77 - $59.17
Q4 2016	67,444	$3,753	$50.41	$43.03 - $58.23
Q3 2016	67,422	$3,235	$49.57	$44.91 - $53.79
Q2 2016	67,560	$3,521	$50.01	$46.40 - $54.54
Q1 2016	67,593	$3,335	$43.78	$37.09 - $49.97
Q4 2015	67,338	$2,805	$43.45	$39.89 - $48.05
Q3 2015	67,432	$2,965	$49.63	$43.00 - $54.31
Q2 2015	67,760	$3,641	$55.82	$50.65 - $59.29
Q1 2015	68,035	$3,863	$51.78	$44.70 - $58.44
Q4 2014	67,264	$3,232	$48.74	$43.05 - $53.84
Q3 2014	67,264	$3,627	$58.81	$53.66 - $65.53
Q2 2014	69,044	$4,436	$59.46	$52.02 - $64.30
Q1 2014	174,569	$9,565	$54.49	$44.95 - $60.47
Q4 2013	173,330	$10,393	$57.66	$51.77 - $64.12
Q3 2013	173,330	$10,168	$55.80	$50.23 - $59.80
Q2 2013	170,181	$8,599	$55.73	$50.37 - $61.28
Q1 2013	167,913	$9,754	$54.78	$48.22 - $60.00