M3-Brigade Acquisition VI Corp. (Nasdaq: MBVIU) is a blank-check company sponsored by M3-Brigade, a collaboration between restructuring specialist M3 Partners and credit-focused asset manager Brigade Capital Management. The vehicle, which completed its initial public offering in 2025, is the sixth SPAC launched under the M3-Brigade banner and targets acquisition opportunities in the financial services and special situations sectors. The company filed its annual report on Form 10-K with the SEC on March 17, 2026, covering fiscal year 2025, and remains in its search phase for a qualifying business combination. For full filing history, deal timelines, and sponsor analytics on MBVIU and hundreds of other active SPACs, sign up for SpacDesk at spacdesk.com.