M3-Brigade Acquisition VI Corporation.

MBVI·NASDAQ·$10.14Share Price as of 11/2·$350MMarket Cap as of 11/2

Financials

10-QQ2 ended 06/30/2608/14/26 10-QQ1 ended 03/31/2605/15/26 10-KFY 202503/17/26 10-QQ3 ended 09/30/2511/13/25 10-QQ2 ended 06/30/2510/08/25

Disclosures

8-KChange in Directors or Officers12/05/25 8-KCurrent report10/16/25 8-KOther Events09/04/25 8-KEntry into Material Agreement; Unregistered Sales of Equity; Change in Directors or Officers; Amendments to Articles or Bylaws; Other Events09/02/25

Prospectuses and Registrations

424B4Prospectus08/27/25 S-1/ARegistration statement (amended)08/19/25 S-1/ARegistration statement (amended)08/18/25 S-1Registration statement (IPO)08/04/25

Proxies

No matching filings.

Ownership

Form 3Initial insider ownership05/19/26 Form 3Initial insider ownership12/12/25 SC 13GBeneficial ownership11/12/25 Form 3Initial insider ownership08/26/25 Form 3Initial insider ownership08/26/25

Other

8-A12B8-A12B08/26/25 CERTCEO/CFO certification08/26/25 EFFECTRequest for effectiveness08/26/25 CORRESPCorrespondence with the SEC08/22/25 CORRESPCorrespondence with the SEC08/22/25