M3-Brigade Acquisition VI Corp. Files 8-K on Agreements and Governance

TL;DR

M3-Brigade Acquisition VI Corp. filed an 8-K detailing material agreements, equity sales, and leadership changes.

AI Summary

M3-Brigade Acquisition VI Corp. filed an 8-K on September 2, 2025, reporting a material definitive agreement related to its units, which consist of ordinary shares and redeemable warrants. The filing also disclosed unregistered sales of equity securities and changes in corporate governance, including director departures and officer appointments. The company's fiscal year ends on December 31.

Why It Matters

This filing indicates significant corporate actions and potential equity transactions for M3-Brigade Acquisition VI Corp., which could impact its stock and warrant holders.

Risk Assessment

Risk Level: medium — The filing involves material definitive agreements and unregistered sales of equity, which can introduce complexities and potential risks for investors.

Key Numbers

• 1231 — Fiscal Year End (Indicates the end of the company's financial reporting year.)

Key Players & Entities

• M3-Brigade Acquisition VI Corp. (company) — Filer of the 8-K
• 0001213900-25-083405 (filing_id) — Accession number for the filing
• 20250902 (date) — Filing date
• 20250826 (date) — Period of report
• 11.50 (dollar_amount) — Exercise price for warrants

FAQ

Key Financial Figures

• $0.0001 — LLC Class A ordinary share, par value $0.0001 per share MBVI The Nasdaq Stock Mar
• $11.50 — ordinary share at an exercise price of $11.50 per share MBVIW The Nasdaq Stock Ma
• $10.00 — 225). The Units were sold at a price of $10.00 per unit, generating gross proceeds to
• $345,000,000 — rating gross proceeds to the Company of $345,000,000. In connection with the IPO, the Compa
• $1.50 — ment Warrants ") at a purchase price of $1.50 per Private Placement Warrant, to the S
• $8,000,000 — rating gross proceeds to the Company of $8,000,000. The Private Placement Warrants are ide
• $100,000 — to pay certain taxes, if any, and up to $100,000 of interest to pay dissolution expenses

Filing Documents

• ea0255430-8k_m3brig6.htm (8-K) — 59KB
• ea025543001ex1-1_m3brig6.htm (EX-1.1) — 250KB
• ea025543001ex3-1_m3brig6.htm (EX-3.1) — 288KB
• ea025543001ex4-1_m3brig6.htm (EX-4.1) — 161KB
• ea025543001ex10-1_m3brig6.htm (EX-10.1) — 49KB
• ea025543001ex10-2_m3brig6.htm (EX-10.2) — 82KB
• ea025543001ex10-3_m3brig6.htm (EX-10.3) — 127KB
• ea025543001ex10-4_m3brig6.htm (EX-10.4) — 44KB
• ea025543001ex10-5_m3brig6.htm (EX-10.5) — 51KB
• ea025543001ex10-6_m3brig6.htm (EX-10.6) — 106KB
• ea025543001ex10-7_m3brig6.htm (EX-10.7) — 106KB
• ea025543001ex10-8_m3brig6.htm (EX-10.8) — 106KB
• ea025543001ex10-9_m3brig6.htm (EX-10.9) — 106KB
• ea025543001ex10-10_m3brig6.htm (EX-10.10) — 106KB
• ea025543001ex10-11_m3brig6.htm (EX-10.11) — 106KB
• ea025543001ex99-1_m3brig6.htm (EX-99.1) — 8KB
• ea025543001ex99-2_m3brig6.htm (EX-99.2) — 9KB
• 0001213900-25-083405.txt ( ) — 2390KB
• mbav-20250826.xsd (EX-101.SCH) — 4KB
• mbav-20250826_def.xml (EX-101.DEF) — 27KB
• mbav-20250826_lab.xml (EX-101.LAB) — 37KB
• mbav-20250826_pre.xml (EX-101.PRE) — 25KB
• ea0255430-8k_m3brig6_htm.xml (XML) — 7KB

01 Entry Into a Material Definitive Agreement

Item 1.01 Entry Into a Material Definitive Agreement. On August 28, 2025, M3-Brigade Acquisition VI Corp. (the " Company ") consummated its initial public offering (the " IPO ") of 34,500,000 units (the " Units "). Each Unit consists of one of the Company's Class A ordinary shares, par value $0.0001 per share (the " Class A Shares "), and one-third of one warrant of the Company (the " Warrants "), each whole Warrant entitling the holder thereof to purchase one whole Class A Share at a price of $11.50 per share, subject to adjustment as provided in the Company's registration statement on Form S-1, initially filed with the Securities and Exchange Commission on August 4, 2025, as later amended (File No. 333-289225). The Units were sold at a price of $10.00 per unit, generating gross proceeds to the Company of $345,000,000. In connection with the IPO, the Company entered into the following agreements previously filed as exhibits to the Company's Registration Statement: An underwriting agreement, dated August 26, 2025, between the Company and Cantor Fitzgerald and Co. (" Cantor "), as representative of the underwriters, a copy of which is attached as exhibit 1.1 hereto and incorporated herein by reference. A warrant agreement, dated August 26, 2025 between the Company and Continental Stock Transfer & Trust Company, as warrant agent, a copy of which is attached as exhibit 4.1 hereto and incorporated herein by reference. A letter agreement, dated August 26, 2025 (the " Letter Agreement "), among the Company and the Company's officers and directors and the Company's sponsor, M3-Brigade Sponsor VI LLC (the " Sponsor "), a copy of which is attached as exhibit 10.1 hereto and incorporated herein by reference. An investment management trust agreement, dated August 26, 2025, between the Company and Continental Stock Transfer & Trust Company, as trustee, a copy of which is attached as exhibit 10.2 hereto and incorporated herein by reference. A registration rights agre

02 Unregistered Sales of Equity Securities

Item 3.02 Unregistered Sales of Equity Securities. Simultaneously with the closing of the IPO, the Company completed the private sale (the " Private Placement ") of an aggregate of 5,333,333 private placement warrants (the " Private Placement Warrants ") at a purchase price of $1.50 per Private Placement Warrant, to the Sponsor and Cantor, generating gross proceeds to the Company of $8,000,000. The Private Placement Warrants are identical to the warrants sold as part of the Units in the IPO, except that: (1) they may not (including the Class A Shares issuable upon exercise of these warrants), initial business combination, (ii) are entitled to registration rights and (iii) with respect to private placement warrants held by Cantor and/or its designees, are not exercisable more than five years from the commencement of sales in this offering in accordance with FINRA Rule 5110(g)(8).

02 Departure of Directors of Certain

Item 5.02 Departure of Directors of Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers. On August 26, 2025, in connection with the IPO, Mr. Benjamin Fader-Rattner was appointed to the board of directors of the Company (the " Board "). Mr. Fader-Rattner is an independent director. Effective August 26, 2025, Mr. Fader-Rattner was appointed to the Audit Committee of the Board and serves as the chairman of the Audit Committee. Effective August 26, 2025, Mr. Fader-Rattner was appointed to the Compensation Committee of the Board and serves as the chairman of the Compensation Committee. On August 26, 2025, in connection with his appointment to the Board, Mr. Fader-Rattner entered into the Letter Agreement as well as an indemnity agreement with the Company. Other than the foregoing, none of the directors are party to any arrangement or understanding with any person pursuant to which they were appointed as directors nor are they party to any transactions required to be disclosed under Item 404(a) of Regulation S-K involving the Company. The foregoing descriptions of the Letter Agreement and indemnity agreement do not purport to be complete and are qualified in their entireties by reference to the Letter Agreement and the indemnity agreement, copies of which are attached as Exhibit 10.1 and 10.11 hereto and incorporated herein by reference.

03 Amendments to Articles of Incorporation or Bylaws; Change

Item 5.03 Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year. On August 26, 2025, in connection with the IPO, the Company filed its amended and restated memorandum and articles of association (the " Amended and Restated Memorandum and Articles of Association ") with the Cayman Islands Registrar of Companies, which was effective on August 26, 2025. The terms of the Amended and Restated Memorandum and Articles of Association are set forth in the Registration Statement and are incorporated herein by reference. A copy of the Amended and Restated Memorandum and Articles of Association is attached as Exhibit 3.1 hereto and incorporated herein by reference.

01 Other Events

Item 8.01 Other Events. $345,000,000 was placed in a U.S.-based trust account with Continental Stock Transfer & Trust Company acting as trustee. Except with respect to interest earned on the funds in the trust account that may be released to the Company to pay certain taxes, if any, and up to $100,000 of interest to pay dissolution expenses, the proceeds from the IPO and the sale of the Private Placement Warrants held in the trust account will not be released from the trust account until the earliest of (1) the completion of the Company's initial business combination, (2) the redemption of the Class A Shares sold in the IPO (the " public shares ") if the Company is unable to complete the initial business combination within 24 months from the closing of the IPO or by such earlier liquidation date as the Company's Board of Directors may approve (the " Completion Window "), subject to applicable law, or (3) the redemption of the Company's public shares properly submitted in connection with a shareholder vote to amend the Amended and Restated Memorandum and Articles of Association to (A) modify the substance or timing of the Company's obligation to allow redemption in connection with the initial business combination or to redeem 100% of the Company's public shares of the Company has not consummated an initial business combination within the Completion Window or (B) with respect to any other material provisions relating to shareholders' rights or pre-initial business combination activity. On August 26, 2025, the Company issued a press release announcing the pricing of the IPO, a copy of which is attached as Exhibit 99.1 to this Current Report on 8-K. On August 28, 2025, the Company issued a press release announcing the closing of the IPO, a copy of which is attached as Exhibit 99.2 to this Current Report on 8-K. 2

01 Financial Statements and Exhibits

Item 9.01 Financial Statements and Exhibits. (d) Exhibits. The following exhibits are filed with this Form 8-K: Exhibit No. Description of Exhibits 1.1 Underwriting Agreement, dated August 26, 2025, between the Company and Cantor, as representative of the underwriters. 3.1 Amended and Restated Memorandum and Articles of Association. 4.1 Warrant Agreement, dated August 26, 2025, between the Company and Continental Stock Transfer & Trust Company, as warrant agent 10.1 Letter Agreement, dated August 26, 2025, among the Company and the Company's officers and directors and the Sponsor. 10.2 Investment Management Trust Agreement, dated August 26, 2025, between the Company and Continental Stock Transfer & Trust Company, as trustee. 10.3 Registration Rights Agreement, dated August 26, 2025, among the Company and certain security holders. 10.4 Private Placement Warrants Purchase Agreement, dated August 26, 2025, between the Company and the Sponsor. 10.5 Private Placement Warrants Purchase Agreement, dated August 26, 2025, between the Company and Cantor. 10.6 Indemnity Agreement, dated August 26, 2025, between the Company and Mohsin Meghji. 10.7 Indemnity Agreement, dated August 26, 2025, between the Company and Matthew Perkal. 10.8 Indemnity Agreement, dated August 26, 2025, between the Company and Chris Chaice. 10.9 Indemnity Agreement, dated August 26, 2025, between the Company and Eric Greenhaus. 10.10 Indemnity Agreement, dated August 26, 2025, between the Company and Charles Garner. 10.11 Indemnity Agreement, dated August 26, 2025, between the Company and Benjamin Fader-Rattner. 99.1 Press Release, dated August 26, 2025. 99.2 Press Release, dated August 28. 2025. 104 Cover Page Interactive Data File (embedded within the Inline XBRL document) 3 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on i

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