PEAK6 Group’s Ceco Environmental CECO Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2018 Q1	–	Sell	-16,300	Closed	-$84K	–	1355
2017 Q4	$84K	Buy	+16,300	New	+$84K	﹤0.01%	938
2017 Q3	–	Hold	0	–	–	–	1261
2015 Q4	–	Hold	0	–	–	–	1268
2015 Q3	–	Hold	0	–	–	–	1356