STG Group, Inc., traded on Nasdaq under the ticker GDEF through the vehicle Global Defense & National Security Systems, Inc., is a government technology and professional services firm focused on the defense, intelligence, and national security sectors. The blank-check company completed its initial public offering in 2017 and pursued a business combination with STG Group, a Reston, Virginia-based provider of IT services to federal agencies. The November 2017 Form 8-K filing with the SEC reflects a key corporate milestone in that transaction process. The combined entity operates primarily within the defense and federal IT services industry, serving U.S. government clients across national security missions. Visit SpacDesk and sign up for a free account to access complete filings, deal timelines, and sponsor data for GDEF and hundreds of other SPAC transactions.