Cortina Asset Management’s OraSure Technologies OSUR Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2016 Q2	–	Sell	-1,004,746	Closed	-$7.26M	–	239
2016 Q1	$7.26M	Sell	1,004,746 -9,889	-1%	-$62.9K	0.33%	120
2015 Q4	$6.53M	Buy	1,014,635 +194,966	+24%	+$1.11M	0.3%	128
2015 Q3	$3.64M	Sell	819,669 -60,511	-7%	-$316K	0.17%	207
2015 Q2	$4.74M	Sell	880,180 -278,656	-24%	-$1.72M	0.21%	154
2015 Q1	$7.58M	Sell	1,158,836 -35,204	-3%	-$292K	0.33%	125
2014 Q4	$12.1M	Sell	1,194,040 -237,322	-17%	-$2.13M	0.53%	73
2014 Q3	$10.3M	Sell	1,431,362 -572,036	-29%	-$4.58M	0.44%	91
2014 Q2	$17.2M	Buy	2,003,398 +392,658	+24%	+$2.75M	0.65%	56
2014 Q1	$12.8M	Buy	1,610,740 +177,370	+12%	+$1.24M	0.46%	90
2013 Q4	$9.02M	Buy	1,433,370 +59,626	+4%	+$374K	0.33%	120
2013 Q3	$8.26M	Buy	1,373,744 +60,531	+5%	+$303K	0.32%	109
2013 Q2	$5.09M	Buy	+1,313,213	New	+$5.86M	0.2%	156