Parallax Volatility Advisers’s Surface Oncology, Inc. Common Stock SURF Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2021 Q3	–	Sell	-45,571	Closed	-$340K	–	1054
2021 Q2	$340K	Buy	+45,571	New	+$340K	﹤0.01%	324