MAS Acquisition XXXIII Corp was a blank-check shell company and one of a numbered series of early special-purpose acquisition vehicles associated with the MAS Capital-affiliated sponsor group. The company registered securities under the Exchange Act and, on April 18, 2002, filed a Form 15-12G with the SEC to voluntarily terminate that registration, signaling the conclusion of its public reporting obligations. As a pre-combination-era SPAC with no identified sector focus, it operated as a general acquisition vehicle during a period when the blank-check structure was still maturing as a capital-markets instrument. Visit SpacDesk and create a free account to access complete filing histories, sponsor profiles, and deal-outcome data across the full SPAC universe.