X0306 4 2013-12-12 0 0000866121 ALLIANT TECHSYSTEMS INC ATK 0001276303 MARTINEZ ROMAN IV 1300 WILSON BOULEVARD SUITE 400 ARLINGTON VA 22209 1 0 0 0 Phantom Stock Units 2013-12-12 4 A 0 15.9038 118.10 A Common Stock 15.9038 7240 D These securities were acquired through the deemed reinvestment of dividend equivalents in the form of additional Phantom Stock Units credited to the reporting person's account under the Issuer's Deferred Fee Plan for Non-Employee Directors. The Phantom Stock Units are to be settled 100% in cash after the reporting person ceases to be a director of the Issuer. 1-for-1. /s/Roman Martinez IV 2013-12-12