STG Group, Inc., associated with SPAC ticker GDEF (Global Defense & National Security Systems, Inc.), operates in the defense technology and government IT services sector. The blank-check vehicle completed its IPO in 2013, targeting acquisitions in the defense and national security industry. The October 2015 8-K filing reflects post-combination reporting activity following the de-SPAC transaction that brought STG Group—a provider of technology and mission support services to U.S. federal defense and intelligence agencies—into the public markets. The company was listed on the Nasdaq Capital Market. For complete filing history, transaction timelines, and deal-level analytics on GDEF and hundreds of other SPACs, sign up for full data access at SpacDesk.