An investigation on behalf of investors, who currently hold shares of Orbital ATK Inc (NYSE:OA), was announced concerning whether the takeover of Orbital ATK Inc. by Northrop Grumman Corporation for $134.50 per share is unfair NYSE:OA stockholders.

The investigation by a law firm concerns whether certain officers and directors of Orbital ATK Inc (NYSE:OA breached their fiduciary duties owed to Orbital ATK Inc (NYSE:OA investors in connection with the proposed acquisition.

OnSept. 18, 2017, Northrop Grumman Corporation (NYSE: NOC) and Orbital ATK, Inc. (NYSE: OA) announced they have entered into an agreement under which Northrop Grumman will acquire Orbital ATK for approximately $7.8 billion in cash, plus the assumption of $1.4 billion in net debt. Under the terms of the proposed transaction Orbital ATK shareholders will receive all-cash consideration of $134.50 per share
However, the investigation concerns whether the offer is unfair to Orbital ATK Inc (NYSE:OA stockholders. More specifically, the investigation concerns whether the Orbital ATK Inc (NYSE:OA Board of Directors undertook an adequate sales process, adequately shopped the company before entering into the transaction, maximized shareholder value by negotiating the best price, and acted in the shareholders' best interests in connection with the proposed sale.

Orbital ATK Inc reported that its Total Revenue rose from over $3.17 billion for the 12 months period that ended on March 31, 2015 to over $4.45 billion for the 12 months period that ended on December 31, 2016 and that its Net Income for those respective time period increased from $77.44 million to $293 million.