First Interstate Bank’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
2020 Q1	–	Sell	-105	Closed	-$2K	–	508
2019 Q4	$2K	Hold	105	–	–	﹤0.01%	522
2019 Q3	$2K	Sell	105 -195	-65%	-$3.85K	﹤0.01%	582
2019 Q2	$6K	Hold	300	–	–	﹤0.01%	580
2019 Q1	$5K	Hold	300	–	–	﹤0.01%	610
2018 Q4	$3K	Hold	300	–	–	﹤0.01%	600
2018 Q3	$5K	Sell	300 -445	-60%	-$9.68K	﹤0.01%	597
2018 Q2	$19K	Buy	745 +445	+148%	+$12.4K	﹤0.01%	499
2018 Q1	$9K	Hold	300	–	–	﹤0.01%	588
2017 Q4	$9K	Sell	300 -1	-0.3%	-$30	﹤0.01%	602
2017 Q3	$9K	Hold	301	–	–	﹤0.01%	568
2017 Q2	$8K	Hold	301	–	–	﹤0.01%	565
2017 Q1	$7K	Hold	301	–	–	﹤0.01%	577
2016 Q4	$7K	Sell	301 -1	-0.3%	-$21	﹤0.01%	605
2016 Q3	$5K	Buy	302 +197	+188%	+$3.81K	﹤0.01%	652
2016 Q2	$2K	Hold	105	–	–	﹤0.01%	707
2016 Q1	$2K	Hold	105	–	–	﹤0.01%	720
2015 Q4	$2K	Sell	105 -1	-0.9%	-$20	﹤0.01%	736
2015 Q3	$2K	Buy	+106	New	+$2.44K	﹤0.01%	758