Atika Capital Management’s RECEPTOS INC COM STK (DE) RCPT Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2015 Q3	–	Sell	-50,000	Closed	-$9.5M	–	79
2015 Q2	$9.5M	Buy	50,000 +13,000	+35%	+$2.47M	4.28%	2
2015 Q1	$6.1M	Sell	37,000 -14,500	-28%	-$2.39M	4.07%	3
2014 Q4	$6.31M	Buy	51,500 +27,000	+110%	+$3.31M	4.61%	2
2014 Q3	$1.52M	Buy	+24,500	New	+$1.52M	1.17%	37