Alliant Techsystems (ATK) announced that it has completed the previously announced tax-free spin-off of its Sporting Group business to ATK stockholders as a newly formed company named Vista Outdoor (VSTO). Following the spin-off, ATK and Orbital Sciences Corporation (ORB), successfully completed the tax-free, all-stock merger of ATK’s Aerospace and Defense Groups with Orbital. Upon consummation of the merger, the combined company’s name was changed to “Orbital ATK, Inc.”.
Today, ATK stockholders received two shares of Vista Outdoor common stock for every share of ATK common stock held on the record date, February 2, 2015. Orbital stockholders received 0.449 shares of Orbital ATK common stock for every one share of Orbital common stock. Vista Outdoor will begin “regular-way” trading under the symbol “VSTO” on the New York Stock Exchange on 2/10, when markets open. ATK stock will no longer include the value of Vista Outdoor and will begin trading as Orbital ATK (OA) on the NYSE at the same time. Source