Mohsin Y. Meghji - Aug 26, 2025 Form 3 Insider Report for M3-Brigade Acquisition VI Corp. (MBVI)

Role: Executive Chairman of the BOD, Director
Signature: /s/ Mohsin Y. Meghji
Stock symbol: MBVI
Transactions as of: Aug 26, 2025
Transactions value $: $0
Form type: 3
Date filed: 8/26/2025, 09:24 PM
Previous filing: May 29, 2025
SEC: View on sec.gov

Reporting Owners (1)

Name	Relationship	Address	Signature	Signature date	CIK
Meghji Mohsin Y	Executive Chairman of the BOD, Director	C/O M3-BRIGADE ACQUISITION VI CORP., 1700 BROADWAY, 19TH FLOOR, NEW YORK	/s/ Mohsin Y. Meghji	2025-08-26	0001202993

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type	Sym	Class	Transaction	Value $	Shares	Change %	* Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
holding	MBVI	Class B ordinary shares							Aug 26, 2025	Class A ordinary shares	8.63M		By M3-Brigade Sponsor VI LLC	F1, F2, F3

* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id	Content
F1	As described in the issuer's registration statement on Form S-1 (File No. 333-289225) under the heading "Description of Securities-Founder Shares", the Class B ordinary shares, par value $0.0001 per share, will automatically convert into Class A ordinary shares, par value $0.0001 per share, of the issuer at the time of the issuer's initial business combination, or earlier at the option of the holder, on a one-for-one basis, subject to adjustment for share splits, share capitalizations, reorganizations, recapitalizations and the like, and certain anti-dilution rights and have no expiration date.
F2	The Class B ordinary shares beneficially owned by the reporting person include up to 1,125,000 shares that are subject to forfeiture to the extent the underwriters of the initial public offering of the issuer's securities do not exercise in full their over-allotment option as described in the issuer's registration statement.
F3	The securities reported herein are held by M3-Brigade Sponsor VI LLC (the "Sponsor"). The reporting person controls M3-Brigade Acquisition Partners VI Corp., the managing member of the Sponsor, and as such has voting and investment discretion with respect to the securities held by the Sponsor and may be deemed to have beneficial ownership of the securities held directly by the Sponsor. The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.

Remarks:

Exhibit 24.1 - Power of Attorney