Laurion Capital Management’s Certara CERT Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2021 Q4	–	Sell	-11,297	Closed	-$374K	–	392
2021 Q3	$374K	Buy	+11,297	New	+$374K	﹤0.01%	343
2021 Q2	–	Sell	-15,000	Closed	-$410K	–	514
2021 Q1	$410K	Hold	15,000	–	–	﹤0.01%	402
2020 Q4	$506K	Buy	+15,000	New	+$506K	﹤0.01%	285