David Bonczek

Insider Trading: Sales

Symbol	Price	Amount	Total Value	Remaining Holdings	Date	Form 4
NTI	$20.43	11,301	$230,908.81	45,817	2015-01-22	Filing
NTI	$22.53	1,592	$35,868.72	23,784	2015-01-02	Filing
NTI	$22.53	321	$7,232.13	25,376	2014-12-22	Filing
NTI	$25.10	315	$7,906.59	13,123	2013-12-20	Filing