M3-Brigade Acquisition III Corp.

M3-Brigade Acquisition III Corp. (Nasdaq: MBSC) was a blank-check company sponsored by M3-Brigade, the SPAC-focused partnership between credit investment firms M3 Partners and Brigade Capital Management. The vehicle completed its initial public offering in 2022, targeting opportunities in the financial services and credit sectors. On October 2, 2023, MBSC filed a Form 15-12G with the SEC, terminating its Exchange Act registration — a step typically taken when a SPAC winds down without consummating a business combination. The filing marked the conclusion of the third SPAC effort from the M3-Brigade sponsor team. For the complete filing history, sponsor background, and deal timeline for MBSC and hundreds of other SPACs, sign up for full data access at SpacDesk.