Brown Brothers Harriman & Co’s Clean Harbors CLH Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$145K	Hold	504	–	–	﹤0.01%	864
2025 Q4	$118K	Sell	504 -518	-51%	-$118K	﹤0.01%	871
2025 Q3	$237K	Buy	1,022 +775	+314%	+$183K	﹤0.01%	647
2025 Q2	$57.1K	Hold	247	–	–	﹤0.01%	907
2025 Q1	$48.7K	Sell	247 -62	-20%	-$13.6K	﹤0.01%	846
2024 Q4	$71.1K	Buy	309 +62	+25%	+$15.4K	﹤0.01%	807
2024 Q3	$59.7K	Hold	247	–	–	﹤0.01%	784
2024 Q2	$55.9K	Buy	+247	New	+$51.8K	﹤0.01%	749
2023 Q4	–	Sell	-25	Closed	-$4.18K	–	1173
2023 Q3	$4.18K	Hold	25	–	–	﹤0.01%	1049
2023 Q2	$4.11K	Hold	25	–	–	﹤0.01%	1070
2023 Q1	$3.56K	Buy	+25	New	+$3.26K	﹤0.01%	1101
2022 Q4	–	Sell	-196	Closed	-$22K	–	1292
2022 Q3	$22K	Sell	196 -1,804	-90%	-$193K	﹤0.01%	949
2022 Q2	$175K	Hold	2,000	–	–	﹤0.01%	486
2022 Q1	$223K	Hold	2,000	–	–	﹤0.01%	486
2021 Q4	$200	Hold	2,000	–	–	﹤0.01%	480
2021 Q3	$208	Hold	2,000	–	–	﹤0.01%	442
2021 Q2	$186	Hold	2,000	–	–	﹤0.01%	459
2021 Q1	$168	Hold	2,000	–	–	﹤0.01%	450
2020 Q4	$152K	Hold	2,000	–	–	﹤0.01%	482
2020 Q3	$112K	Hold	2,000	–	–	﹤0.01%	476
2020 Q2	$120K	Hold	2,000	–	–	﹤0.01%	455
2020 Q1	$103K	Hold	2,000	–	–	﹤0.01%	435
2019 Q4	$172K	Hold	2,000	–	–	﹤0.01%	494
2019 Q3	$154K	Hold	2,000	–	–	﹤0.01%	471
2019 Q2	$142K	Hold	2,000	–	–	﹤0.01%	445
2019 Q1	$143K	Sell	2,000 -42	-2%	-$2.6K	﹤0.01%	439
2018 Q4	$101K	Buy	2,042 +42	+2%	+$2.62K	﹤0.01%	439
2018 Q3	$143K	Buy	+2,000	New	+$127K	﹤0.01%	408
2018 Q1	–	Sell	-10	Closed	-$1K	–	859
2017 Q4	$1K	Buy	+10	New	+$541	﹤0.01%	1108