M3-Brigade Acquisition VI Corp-A 2025年度报告

FORM 10-K ☒ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM ____ TO ____ M3-BRIGADE ACQUISITION VI CORP.(Exact name of registrant as specified in its charter) Cayman Islands98-1863762(State or other jurisdiction of(I.R.S. Employer (Address of principal executive offices)(Zip Code) Registrant’s telephone number, including area code: (212) 202-2200 Securities registered pursuant to Section 12(b) of the Act: Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes☐No☒ Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes☐No☒ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the SecuritiesExchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports)and (2) has been subject to such filing requirements for the past 90 days. Yes☒No☐ Indicate by check mark whether the registrant (1) has submitted electronically every Interactive Data File required to be submittedpursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that theregistrant was required to submit and file such reports). Yes☒No☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smallerreporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smallerreporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. Smaller reporting company☒Emerging growth company☒ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period forcomplying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.☐ Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectivenessof its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registeredpublic accounting firm that prepared or issued its audit report.☐ Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes☒No☐ If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of theregistrant included in the filing reflect the correction of an error to previously issued financial statements.☐ Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-basedcompensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to §240.10D-1(b).☐ The registrant’s Units began trading on the Nasdaq Global Market (“Nasdaq”) on August 27, 2025 and the registrant’s Class Aordinary shares and public warrants began separate trading on Nasdaq on October 17, 2025. As of June 30, 2025, the last business dayof the registrant’s most recently completed second fiscal quarter, the registrant’s Class A ordinary shares were not publicly traded.Accordingly, there was no market value for the registrant’s Class A common stock on such date. The aggregate market value of theregistrant’s Class A ordinary shares outstanding, other than shares held by persons who may be deemed affiliates of the registrant, atDecember 31, 2025, was $340,500,000. As of March 12, 2026, the Registrant had 34,500,000 Class A ordinary shares, $0.0001 par value per share, and 8,625,000 Class Bordinary shares, par value $0.0001 per share, issued and outstanding. DOCUMENTS INCORPORATED BY REFERENCE None. TABLE OF CONTENTS Item 1.Business1Item 1A.Risk Factors10Item 1B.Unresolved Staff Comments57Item 1C.Cybersecurity57Item 2.Properties57Item 3.Legal Proceedings57Item 4.Mine Safety Disclosures57 PART II58 Item 5.Market for Registrant’s Common Equity, Related Shareholder Matters and Issuer Purchases of EquitySecurities58Item 6.Reserved58Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations58Item 7A.Quantitative and Qualitative Disclosures about Market Risk60Item 8.Financial Statements and Supplementary Data60Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure61Item 9A.Controls and Procedures61Item 9B.Other Information61Item 9C.Disclosure Regarding Foreign Jurisdictions that Prevent Inspections61 Item 10.Directors, Executive Officers and Corporate Governance62Item 11.Executive Compensation70Item 12.Securit