HighTower Advisors’s Broadstone Acquisition Corp. Units, each consisting of one Class A ordinary share and one-half of on BSN.U Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2020 Q4	–	Sell	-150,000	Closed	-$1.5M	–	2709
2020 Q3	$1.5M	Buy	+150,000	New	+$1.5M	0.01%	1016