Alyeska Investment Group’s FirstMark Horizon Acquisition Corp. Units, each consisting of one share of Class A common stock and FMAC.U Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2021 Q1	–	Sell	-500,001	Closed	-$5.7M	–	887
2020 Q4	$5.7M	Buy	+500,001	New	+$5.7M	0.08%	247