CLEAN HARBORS INC

Ticker: CLH CUSIP: 184496107 Class: EQTY

MASON STREET ADVISORS, LLC's Holding History (CIK: 0001167711)

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

Q4 2020

Shares 27,145 Value ($000) $2,066 Avg Close $67.02 Range $52.22 - $77.16

Q3 2020

Shares 27,396 Value ($000) $1,535 Avg Close $59.23 Range $52.29 - $67.07

Q2 2020

Shares 28,021 Value ($000) $1,681 Avg Close $55.73 Range $44.36 - $71.22

Q1 2020

Shares 27,309 Value ($000) $1,402 Avg Close $73.03 Range $29.45 - $88.40

Q4 2019

Shares 27,309 Value ($000) $2,342 Avg Close $81.27 Range $71.31 - $88.01

Q3 2019

Shares 26,952 Value ($000) $2,081 Avg Close $73.96 Range $67.83 - $80.06

Q2 2019

Shares 27,100 Value ($000) $1,927 Avg Close $69.62 Range $62.54 - $77.24

Q1 2019

Shares 27,029 Value ($000) $1,933 Avg Close $61.79 Range $48.13 - $72.26

Q4 2018

Shares 26,695 Value ($000) $1,317 Avg Close $62.29 Range $46.21 - $72.46

Q3 2018

Shares 26,215 Value ($000) $1,876 Avg Close $63.60 Range $54.90 - $72.50

Q2 2018

Shares 26,225 Value ($000) $1,457 Avg Close $51.36 Range $44.75 - $56.00

Q1 2018

Shares 25,827 Value ($000) $1,261 Avg Close $52.41 Range $46.62 - $57.97

Q4 2017

Shares 25,525 Value ($000) $1,383 Avg Close $54.14 Range $51.43 - $58.22

Q3 2017

Shares 25,815 Value ($000) $1,464 Avg Close $54.44 Range $49.63 - $58.28

Q2 2017

Shares 25,431 Value ($000) $1,420 Avg Close $57.50 Range $53.17 - $61.62

Q1 2017

Shares 24,623 Value ($000) $1,370 Avg Close $55.34 Range $52.77 - $59.17

Q4 2016

Shares 24,376 Value ($000) $1,357 Avg Close $50.41 Range $43.03 - $58.23

Q2 2016

Shares 23,884 Value ($000) $1,245 Avg Close $50.01 Range $46.40 - $54.54

Q1 2016

Shares 22,824 Value ($000) $1,126 Avg Close $43.78 Range $37.09 - $49.97

Q4 2015

Shares 21,950 Value ($000) $914 Avg Close $43.45 Range $39.89 - $48.05

Q3 2015

Shares 21,865 Value ($000) $961 Avg Close $49.63 Range $43.00 - $54.31

Q2 2015

Shares 21,639 Value ($000) $1,163 Avg Close $55.82 Range $50.65 - $59.29

Q1 2015

Shares 21,592 Value ($000) $1,226 Avg Close $51.78 Range $44.70 - $58.44

Q4 2014

Shares 96,987 Value ($000) $4,660 Avg Close $48.74 Range $43.05 - $53.84

Q3 2014

Shares 26,717 Value ($000) $1,441 Avg Close $58.81 Range $53.66 - $65.53

Q2 2014

Shares 26,537 Value ($000) $1,705 Avg Close $59.46 Range $52.02 - $64.30

Q1 2014

Shares 28,921 Value ($000) $1,585 Avg Close $54.49 Range $44.95 - $60.47

Q4 2013

Shares 29,003 Value ($000) $1,739 Avg Close $57.66 Range $51.77 - $64.12

Q3 2013

Shares 329,544 Value ($000) $19,331 Avg Close $55.80 Range $50.23 - $59.80

Q2 2013

Shares 31,680 Value ($000) $1,601 Avg Close $55.73 Range $50.37 - $61.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	27,145	$2,066	$67.02	$52.22 - $77.16
Q3 2020	27,396	$1,535	$59.23	$52.29 - $67.07
Q2 2020	28,021	$1,681	$55.73	$44.36 - $71.22
Q1 2020	27,309	$1,402	$73.03	$29.45 - $88.40
Q4 2019	27,309	$2,342	$81.27	$71.31 - $88.01
Q3 2019	26,952	$2,081	$73.96	$67.83 - $80.06
Q2 2019	27,100	$1,927	$69.62	$62.54 - $77.24
Q1 2019	27,029	$1,933	$61.79	$48.13 - $72.26
Q4 2018	26,695	$1,317	$62.29	$46.21 - $72.46
Q3 2018	26,215	$1,876	$63.60	$54.90 - $72.50
Q2 2018	26,225	$1,457	$51.36	$44.75 - $56.00
Q1 2018	25,827	$1,261	$52.41	$46.62 - $57.97
Q4 2017	25,525	$1,383	$54.14	$51.43 - $58.22
Q3 2017	25,815	$1,464	$54.44	$49.63 - $58.28
Q2 2017	25,431	$1,420	$57.50	$53.17 - $61.62
Q1 2017	24,623	$1,370	$55.34	$52.77 - $59.17
Q4 2016	24,376	$1,357	$50.41	$43.03 - $58.23
Q2 2016	23,884	$1,245	$50.01	$46.40 - $54.54
Q1 2016	22,824	$1,126	$43.78	$37.09 - $49.97
Q4 2015	21,950	$914	$43.45	$39.89 - $48.05
Q3 2015	21,865	$961	$49.63	$43.00 - $54.31
Q2 2015	21,639	$1,163	$55.82	$50.65 - $59.29
Q1 2015	21,592	$1,226	$51.78	$44.70 - $58.44
Q4 2014	96,987	$4,660	$48.74	$43.05 - $53.84
Q3 2014	26,717	$1,441	$58.81	$53.66 - $65.53
Q2 2014	26,537	$1,705	$59.46	$52.02 - $64.30
Q1 2014	28,921	$1,585	$54.49	$44.95 - $60.47
Q4 2013	29,003	$1,739	$57.66	$51.77 - $64.12
Q3 2013	329,544	$19,331	$55.80	$50.23 - $59.80
Q2 2013	31,680	$1,601	$55.73	$50.37 - $61.28