STG Group, Inc., trading under the ticker GDEF, is a post-merger SPAC entity operating in the government technology and defense services sector. The company originated as Global Defense & National Security Systems, Inc., a blank-check company that completed its initial public offering in 2014 with a focus on acquiring businesses serving the U.S. defense and national security communities. Following its business combination with STG Group, the combined company filed a 10-Q with the SEC on August 11, 2015, reflecting its status as an active publicly reporting entity. STG Group provided information technology and professional services to federal government clients. Visit SpacDesk and sign up for full filing history, deal timelines, and sponsor analytics on GDEF and hundreds of other SPAC transactions.