PEAK6 Investments’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 Q2	–	Sell	-511	Closed	-$22.8K	–	5118
2024 Q1	$22.8K	Buy	+511	New	+$20.2K	﹤0.01%	3676
2022 Q2	–	Sell	-6,480	Closed	-$198K	–	7103
2022 Q1	$198K	Sell	6,480 -20,381	-76%	-$679K	0.01%	3895
2021 Q4	$1.06M	Buy	26,861 +16,759	+166%	+$614K	0.03%	2510
2021 Q3	$318K	Sell	10,102 -7,228	-42%	-$236K	0.01%	3617
2021 Q2	$594K	Buy	+17,330	New	+$546K	0.02%	3070
2021 Q1	–	Sell	-96,680	Closed	-$1.91M	–	6182
2020 Q4	$1.91M	Buy	96,680 +26,028	+37%	+$483K	0.04%	1888
2020 Q3	$1.15M	Buy	70,652 +2,903	+4%	+$46.5K	0.03%	2146
2020 Q2	$1.07M	Buy	+67,749	New	+$972K	0.04%	2025
2020 Q1	–	Sell	-33,683	Closed	-$792K	–	5000
2019 Q4	$792K	Buy	33,683 +12,551	+59%	+$285K	0.03%	1685
2019 Q3	$461K	Sell	21,132 -8,651	-29%	-$171K	0.02%	2332
2019 Q2	$564K	Sell	29,783 -20,580	-41%	-$327K	0.02%	2170
2019 Q1	$786K	Sell	50,363 -6,195	-11%	-$96.9K	0.04%	2041
2018 Q4	$690K	Buy	56,558 +31,711	+128%	+$438K	0.03%	2081
2018 Q3	$444K	Buy	+24,847	New	+$540K	0.02%	2653