A.R.T. Advisors’s SunPower Corporation Common Stock SPWR Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2020 Q1	–	Sell	-267,756	Closed	-$1.37M	–	1073
2019 Q4	$1.37M	Buy	267,756 +96,048	+56%	+$534K	0.07%	442
2019 Q3	$1.23M	Sell	171,708 -222,179	-56%	-$1.83M	0.06%	452
2019 Q2	$2.76M	Buy	393,887 +367,218	+1,377%	+$1.95M	0.16%	158
2019 Q1	$114K	Buy	+26,669	New	+$104K	0.01%	1161
2018 Q1	–	Sell	-20,256	Closed	-$111K	–	1808
2017 Q4	$111K	Buy	+20,256	New	+$105K	﹤0.01%	1240
2017 Q2	–	Sell	-61,996	Closed	-$247K	–	1788
2017 Q1	$247K	Buy	+61,996	New	+$291K	0.01%	1089
2016 Q3	–	Sell	-51,817	Closed	-$525K	–	1230
2016 Q2	$525K	Buy	+51,817	New	+$611K	0.03%	789
2016 Q1	–	Sell	-192,607	Closed	-$3.79M	–	1703
2015 Q4	$3.79M	Buy	192,607 +165,284	+605%	+$2.76M	0.18%	135
2015 Q3	$358K	Sell	27,323 -134,139	-83%	-$2.16M	0.01%	989
2015 Q2	$3M	Sell	161,462 -223,111	-58%	-$4.69M	0.1%	301
2015 Q1	$7.88M	Buy	384,573 +173,389	+82%	+$3.27M	0.27%	77
2014 Q4	$3.57M	Buy	+211,184	New	+$3.92M	0.13%	201
2014 Q2	–	Sell	-13,349	Closed	-$282K	–	1572
2014 Q1	$282K	Sell	13,349 -68,901	-84%	-$1.47M	0.01%	1006
2013 Q4	$1.6M	Sell	82,250 -45,601	-36%	-$912K	0.09%	347
2013 Q3	$2.19M	Buy	+127,851	New	+$1.99M	0.12%	246