M3-Brigade Acquisition VI Corp. (MBVI) is a blank-check company sponsored by M3-Brigade Capital Management, a credit-oriented alternative investment firm with a multi-vehicle SPAC history. The company filed an amended S-1 registration statement with the SEC on August 18, 2025, advancing its IPO registration process for the year. As the sixth SPAC vehicle in M3-Brigade's series, MBVI continues the sponsor's established pattern of targeting acquisition opportunities in financial services and credit-related sectors. The amended filing indicates the vehicle remained in the pre-combination registration phase as of mid-2025. For comprehensive data on MBVI's filing history, deal status, and peer comparisons, create a free account on SpacDesk at spacdesk.com.