STG Group, Inc., which traded on the Nasdaq Capital Market under the ticker GDEF, was a blank-check company that completed its initial public offering in October 2013 via a 424B4 prospectus filed on October 25 of that year. The vehicle was formed to pursue an acquisition in the defense, government services, and national-security technology sectors, reflecting the sustained demand among capital markets participants for exposure to the government IT and defense contracting space during that period. Like most SPACs of its vintage, STG Group operated within the standard two-year window to identify and consummate a qualifying business combination. For full filing history, trust data, and deal-outcome details on GDEF and thousands of other SPAC transactions, create a free account at SpacDesk.