Barnett & Company’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	-12,066	Closed	-$284K	–	453
2019 Q4	$284K	Sell	12,066 -9,553	-44%	-$217K	0.17%	86
2019 Q3	$472K	Sell	21,619 -9,038	-29%	-$178K	0.28%	64
2019 Q2	$580K	Sell	30,657 -910	-3%	-$14.5K	0.33%	63
2019 Q1	$493K	Sell	31,567 -65	-0.2%	-$1.02K	0.28%	63
2018 Q4	$386K	Sell	31,632 -20,734	-40%	-$287K	0.22%	68
2018 Q3	$936K	Sell	52,366 -1,032	-2%	-$22.4K	0.43%	57
2018 Q2	$1.38M	Sell	53,398 -2,062	-4%	-$57.5K	0.67%	48
2018 Q1	$1.65M	Sell	55,460 -516	-0.9%	-$15.9K	0.85%	40
2017 Q4	$1.73M	Buy	55,976 +6,734	+14%	+$203K	0.84%	40
2017 Q3	$1.53M	Sell	49,242 -928	-2%	-$26.3K	0.77%	45
2017 Q2	$1.41M	Buy	50,170 +34,289	+216%	+$893K	0.67%	52
2017 Q1	$381K	Buy	+15,881	New	+$373K	0.21%	96