A.R.T. Advisors’s Amphastar Pharmaceuticals AMPH Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2019 Q4	–	Sell	-11,556	Closed	-$229K	–	1314
2019 Q3	$229K	Buy	11,556 +1,700	+17%	+$35.4K	0.01%	1149
2019 Q2	$208K	Buy	+9,856	New	+$206K	0.01%	1095
2018 Q2	–	Sell	-16,984	Closed	-$318K	–	1396
2018 Q1	$318K	Buy	+16,984	New	+$319K	0.01%	1110
2017 Q3	–	Sell	-16,100	Closed	-$287K	–	1334
2017 Q2	$287K	Buy	+16,100	New	+$255K	0.02%	1016
2016 Q2	–	Sell	-18,620	Closed	-$223K	–	1341
2016 Q1	$223K	Sell	18,620 -2,900	-13%	-$34.2K	0.01%	1134
2015 Q4	$306K	Buy	21,520 +1,800	+9%	+$23.8K	0.01%	1048
2015 Q3	$230K	Buy	+19,720	New	+$296K	0.01%	1131
2015 Q2	–	Sell	-20,621	Closed	-$308K	–	1458
2015 Q1	$308K	Buy	+20,621	New	+$276K	0.01%	1103