Spark Investment Management’s National Presto Industries NPK Stock Holding History

Quarter	Market Value	Status	Shares	Shares Change %	Trade Value	Portfolio Weight	Portfolio Position
2017 Q4	–	Sell	-3,100	Closed	-$329K	–	772
2017 Q3	$329K	Buy	+3,100	New	+$329K	0.02%	545
2015 Q4	–	Sell	-9,600	Closed	-$808K	–	819
2015 Q3	$808K	Buy	+9,600	New	+$808K	0.11%	289