Black Spade Acquisition III CO (BIII-UN) SEC Filings — 2021 0 SEC filings for Black Spade Acquisition III CO (BIII-UN) in 2021. FilingsNo filings found for BIII-UN in 2021. ExploreAll BIII-UN Filings · BIII-UN 2020 · BIII-UN 2022 · All 2021 Filings