SCHAUMBURG, Ill.--(BUSINESS WIRE)--Sparton Corporation (NYSE:SPA) announced today that Don Pearson, Senior Vice President and Chief Financial Officer of Sparton Corporation, will be leaving, effective June 9, 2015, in order to accept a position as Chief Financial Officer of a private equity-backed company. The Company is conducting a search for a new Chief Financial Officer and has engaged a senior finance professional to assist the Company with financial and accounting matters on an interim ba