Austin W. Marxe & David M. Greenhouse’s Active Power Inc PIOI Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2014 Q3	$1.45M	Hold	725,000	–	–	0.2%	105
2014 Q2	$2M	Hold	725,000	–	–	0.25%	94
2014 Q1	$2.4M	Buy	+725,000	New	+$2.4M	0.27%	88
2013 Q3	–	Sell	-150,772	Closed	-$630K	–	142
2013 Q2	$630K	Buy	+150,772	New	+$630K	0.08%	117