Brown Advisory’s Summit Materials, Inc. Class A Common Stock SUM Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2024 Q1	–	Sell	-9,356	Closed	-$360K	–	1300
2023 Q4	$360K	Buy	+9,356	New	+$324K	﹤0.01%	1011
2023 Q2	–	Sell	-21,318	Closed	-$607K	–	1259
2023 Q1	$607K	Sell	21,318 -16,500	-44%	-$499K	﹤0.01%	867
2022 Q4	$1.07M	Hold	37,818	–	–	﹤0.01%	730
2022 Q3	$891K	Sell	37,818 -15,255	-29%	-$410K	﹤0.01%	733
2022 Q2	$1.22M	Sell	53,073 -10,170	-16%	-$270K	﹤0.01%	662
2022 Q1	$1.93M	Buy	63,243 +52,994	+517%	+$1.77M	﹤0.01%	586
2021 Q4	$404K	Buy	+10,249	New	+$375K	﹤0.01%	941
2020 Q3	–	Sell	-10,170	Closed	-$161K	–	1004
2020 Q2	$161K	Hold	10,170	–	–	﹤0.01%	902
2020 Q1	$150K	Hold	10,170	–	–	﹤0.01%	885
2019 Q4	$239K	Hold	10,170	–	–	﹤0.01%	938
2019 Q3	$222K	Sell	10,170 -35	-0.3%	-$691	﹤0.01%	925
2019 Q2	$194K	Buy	10,205 +35	+0.3%	+$557	﹤0.01%	985
2019 Q1	$159K	Buy	+10,170	New	+$159K	﹤0.01%	1263