Scopus Asset Management’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 Q2	–	Hold	0	–	–	–	246
2020 Q1	–	Sell	-1,484,849	Closed	-$28.8M	–	185
2019 Q4	$34.9M	Buy	1,484,849 +698,211	+89%	+$15.8M	1.31%	28
2019 Q3	$17.2M	Buy	786,638 +684,728	+672%	+$13.5M	0.7%	58
2019 Q2	$1.93M	Sell	101,910 -1,641,904	-94%	-$26.1M	0.08%	157
2019 Q1	$27.2M	Buy	+1,743,814	New	+$27.3M	1%	48
2018 Q2	–	Sell	-180,212	Closed	-$5.37M	–	464
2018 Q1	$5.37M	Sell	180,212 -293,990	-62%	-$9.07M	0.09%	238
2017 Q4	$14.7M	Buy	474,202 +149,362	+46%	+$4.5M	0.21%	183
2017 Q3	$10.1M	Buy	+324,840	New	+$9.22M	0.16%	185
2016 Q4	–	Sell	-423,334	Closed	-$7.53M	–	284
2016 Q3	$7.53M	Buy	+423,334	New	+$8.19M	0.17%	132
2016 Q2	–	Sell	-424,303	Closed	-$7.91M	–	289
2016 Q1	$7.91M	Buy	424,303 +83,575	+25%	+$1.37M	0.22%	128
2015 Q4	$6.54M	Sell	340,728 -46,392	-12%	-$946K	0.23%	93
2015 Q3	$6.86M	Buy	+387,120	New	+$8.92M	0.27%	90