Group One Trading’s OPTIMER PHARMACEUTICALS, INC. COM STK OPTR Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2013 Q4	–	Sell	-197,153	Closed	-$2.48M	–	2335
2013 Q3	$2.48M	Buy	197,153 +82,057	+71%	+$1.03M	0.05%	68
2013 Q2	$1.67M	Buy	+115,096	New	+$1.67M	0.04%	86