Mercurio Anthony J [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Reported
02/25/2016	National Interstate CORP	NATL	Grant	Common Shares ($0.01 par value)	3.7k	$0.00	$0	02/25/2016
02/20/2016	National Interstate CORP	NATL	Payment of Exercise	Common Shares ($0.01 par value)	709	$24.31	$17.2k	02/20/2016
12/08/2015	National Interstate CORP	NATL	Exercise	Option (Right to Buy)	5.9k	$20.41	$121.2k	12/08/2015
12/08/2015	National Interstate CORP	NATL	Sale	Common Shares ($0.01 par value)	5.9k	$26.45	$157.1k	12/08/2015
11/11/2015	National Interstate CORP	NATL	Exercise	Option (Right to Buy)	1.6k	$20.41	$32.9k	11/11/2015
11/11/2015	National Interstate CORP	NATL	Sale	Common Shares ($0.01 par value)	1.6k	$27.47	$44.3k	11/11/2015
02/19/2015	National Interstate CORP	NATL	Grant	Common Shares ($0.01 par value)	2k	$0.00	$0	02/19/2015
12/19/2014	National Interstate CORP	NATL	Exercise	Option (Right to Buy)	3.5k	$20.41	$71.4k	12/18/2014
12/19/2014	National Interstate CORP	NATL	Sale	Common Shares ($0.01 par value)	3.5k	$29.13	$102k	12/18/2014
12/18/2014	National Interstate CORP	NATL	Sale	Common Shares ($0.01 par value)	8.9k	$29.41	$263.1k	12/18/2014
12/18/2014	National Interstate CORP	NATL	Exercise	Option (Right to Buy)	8.9k	$20.41	$182.6k	12/18/2014
02/27/2014	National Interstate CORP	NATL	Grant	Common Shares ($0.01 par value)	2.6k	$0.00	$0	02/27/2014