Perceptive Advisors’s Atara Biotherapeutics ATRA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-1,404	Closed	-$581K	–	131
2017 Q3	$581K	Buy	+1,404	New	+$581K	0.02%	115
2016 Q3	–	Sell	-100	Closed	-$56K	–	191
2016 Q2	$56K	Buy	+100	New	+$56K	﹤0.01%	149