A.R.T. Advisors’s Casella Waste Systems CWST Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q1	–	Sell	-12,835	Closed	-$366K	–	1366
2018 Q4	$366K	Buy	12,835 +6,184	+93%	+$188K	0.02%	852
2018 Q3	$206K	Sell	6,651 -29,052	-81%	-$826K	0.01%	1179
2018 Q2	$914K	Buy	35,703 +4,500	+14%	+$111K	0.04%	673
2018 Q1	$729K	Sell	31,203 -6,733	-18%	-$165K	0.03%	789
2017 Q4	$873K	Buy	+37,936	New	+$747K	0.04%	678
2017 Q1	–	Sell	-62,600	Closed	-$776K	–	1472
2016 Q4	$776K	Buy	62,600 +48,700	+350%	+$572K	0.05%	569
2016 Q3	$143K	Sell	13,900 -24,174	-63%	-$220K	0.05%	533
2016 Q2	$298K	Buy	+38,074	New	+$273K	0.01%	971
2015 Q4	–	Sell	-10,774	Closed	-$62K	–	1502
2015 Q3	$62K	Sell	10,774 -1,986	-16%	-$12.1K	﹤0.01%	1276
2015 Q2	$71K	Buy	12,760 +1,572	+14%	+$8.8K	﹤0.01%	1397
2015 Q1	$61K	Sell	11,188 -11,700	-51%	-$50.6K	﹤0.01%	1352
2014 Q4	$92K	Sell	22,888 -600	-3%	-$2.42K	﹤0.01%	1311
2014 Q3	$90K	Buy	23,488 +300	+1%	+$1.39K	﹤0.01%	1217
2014 Q2	$116K	Hold	23,188	–	–	0.01%	1205
2014 Q1	$118K	Buy	23,188 +8,103	+54%	+$43.3K	0.01%	1221
2013 Q4	$87K	Buy	+15,085	New	+$87.6K	﹤0.01%	1200