SilverBox Corp IV (Nasdaq: SBXD) is a blank check company sponsored by SilverBox Corp, the Dallas-based SPAC management firm that has launched and operated multiple special purpose acquisition vehicles across successive market cycles. The company completed its initial public offering in 2024 and filed a Form 10-Q with the SEC on November 12, 2025, indicating that the vehicle remains in its search phase with no definitive business combination agreement announced as of that date. SilverBox's prior vehicles have concentrated on the energy services, industrials, and business services sectors, and SBXD carries a comparable acquisition mandate. Visit SpacDesk and sign up for full access to SBXD's complete filing history, sponsor track record, and deal pipeline data.