STG Group, Inc., listed on the Nasdaq under the ticker GDEF, was a blank-check company focused on the defense and national security sector. The company filed its 10-K annual report with the Securities and Exchange Commission on April 17, 2017, reflecting operations through fiscal year 2016. Organized to pursue an acquisition or merger with a target in the government services and defense technology space, STG Group was part of a broader wave of defense-focused special-purpose acquisition vehicles that emerged in the mid-2010s to capitalize on government contracting opportunities. The company's sponsor guided its search strategy within the defense, intelligence, and national security verticals. For complete filing history, deal status, and sponsor background on GDEF and hundreds of other SPAC vehicles, sign up for full data access at SpacDesk.