Ardsley Advisory Partners’s Hudson Technologies HDSN Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Shares Change %	Capital Flow	Portfolio Weight	Portfolio Position
2017 Q2	–	Sell	-75,000	Closed	-$495K	–	137
2017 Q1	$495K	Sell	75,000 -50,000	-40%	-$330K	0.08%	79
2016 Q4	$1M	Buy	+125,000	New	+$1M	0.17%	64