B. Riley Wealth Management’s Atara Biotherapeutics ATRA Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2015 Q3	–	Sell	-40	Closed	-$52K	–	182
2015 Q2	$52K	Sell	40 -80	-67%	-$104K	0.04%	393
2015 Q1	$124K	Buy	+120	New	+$124K	0.09%	247