Sec Form 4 Filing - Meghji Mohsin Y @ M3-Brigade Acquisition III Corp. - 2023-09-20

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Meghji Mohsin Y 2. Issuer Name and Ticker or Trading Symbol M3-Brigade Acquisition III Corp. [ MBSC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director X __ 10% Owner X __ Officer (give title below) _____ Other (specify below) Executive Chairman of BOD (Last) (First) (Middle) 1700 BROADWAY,, 19TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 09/20/2023 (Street) NEW YORK, NY10019 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Class B Common Stock ( 1 ) 09/20/2023 J( 2 ) 400,000 ( 1 ) ( 1 ) Class A Common Stock 400,000 $ 0 7,100,000 I See footnote ( 3 ) Class B Common Stock ( 1 ) 09/20/2023 C( 1 ) 7,100,000 ( 1 ) ( 1 ) Class A Common Stock 7,100,000 $ 0 0 I See footnote ( 3 )

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Meghji Mohsin Y 1700 BROADWAY, 19TH FLOOR NEW YORK, NY10019 X X Executive Chairman of BOD Signatures /s/ Mohsin Y. Meghji 09/22/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )As described in the Issuer's registration statement on Form S-1 (File No. 333-256017) under the heading "Description of Securities - Founder Shares," shares of Class B common stock were subject to certain adjustments described therein and had no expiration date. On September 20, 2023, the Issuer consummated its initial business combination ("Business Combination") with Greenfire Resources Inc., an Alberta corporation ("Greenfire"), pursuant to that certain Business Combination Agreement, dated December 14, 2022, as amended, by and among the Issuer, Greenfire, Greenfire Resources Ltd., an Alberta corporation ("New Greenfire"), and certain other parties ("BCA"). In connection with such consummation, each share of Class B Common Stock converted into one share of common stock of New Greenfire and an amount of cash equal to a prorated portion of the SPAC Working Capital (as defined in the BCA) plus the Extension Amounts (as defined in the BCA) at the Effective Time (as defined in the BCA). ( 2 )On September 20, 2023, M3-Brigade Sponsor III LP, a Delaware limited partnership ("Sponsor"), transferred 400,000 shares of Class B Common Stock to HT Investments, LLC, a Delaware limited liability company ("HT Investments"), pursuant to that certain FPA Termination Agreement, dated as of December 14, 2022, by and among the Issuer, M3-Brigade III FPA LP, a Delaware limited partnership, HT Investments, Brigade Capital GP, LLC, a Delaware limited liability company, and the Sponsor. ( 3 )The reported shares of the Issuer were directly held by the Sponsor. The general partner of the Sponsor is M3-Brigade Acquisition Partners III Corp. Mohsin Y. Meghji is the sole director of M3-Brigade Acquisition Partners III Corp. Mr. Meghji may be deemed to have had beneficial ownership of the common stock held directly by the Sponsor.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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