SilverBox Corp IV

SilverBox Corp IV (Nasdaq: SBXD) is a blank-check company sponsored by SilverBox Capital, the Dallas-based SPAC sponsor behind a series of vehicles targeting the industrial technology and technology-enabled services sectors. The company filed its annual report on Form 10-K with the SEC on March 19, 2026, reflecting its continued search for a business combination target. SBXD represents the fourth vehicle in SilverBox's SPAC series, following predecessors that pursued deals across industrials and technology. As of the filing date the company remains in its search phase, with no definitive business combination agreement announced. Visit SpacDesk and create a free account to access full filing history, deal timelines, and sponsor analytics for SBXD and thousands of other SPAC vehicles.