GRABE RONALD J [Rocket]

Date	Name	Symbol	Type	Security	Shares	Price	Value	Ownership	Reported
03/10/2015	ORBITAL ATK, INC.	OA	Grant	Employee Stock Option (right to buy)	5.6k	$72.06	$403.8k		03/10/2015
03/10/2015	ORBITAL ATK, INC.	OA	Grant	Common Stock	3.2k	$0.00	$0		03/10/2015
02/10/2015	ORBITAL ATK, INC.	OA	Payment of Exercise	Common Stock	727	$61.81	$44.9k		02/09/2015
02/09/2015	ORBITAL ATK, INC.	OA	Grant	Common Stock	24.7k	$0.00	$0		02/09/2015
02/09/2015	ORBITAL ATK, INC.	OA	Grant	Common Stock	28.5k	$0.00	$0	By Trust	02/09/2015
02/09/2015	ORBITAL ATK, INC.	OA	Grant	Common Stock	2k	$0.00	$0	By 401(k)	02/09/2015
07/21/2014	ORBITAL SCIENCES CORP /DE/	ORB	Grant		20k	$0.00	$0		07/21/2014
07/28/2011	ORBITAL SCIENCES CORP /DE/	ORB	Payment of Exercise	Common Stock	1.3k	$17.34	$21.8k		07/28/2011
07/27/2011	ORBITAL SCIENCES CORP /DE/	ORB	Grant		15k	$0.00	$0		07/27/2011
07/30/2010	ORBITAL SCIENCES CORP /DE/	ORB	Payment of Exercise	Common Stock	787	$14.64	$11.5k		07/30/2010