- 
        Signature
      
- 
        /s/ Mohsin Y. Meghji, as Authorized Signatory
      
      
- 
        Stock symbol
      
- 
        MBAV
      
      
- 
        Transactions as of
      
- 
        May 27, 2025
      
      
- 
        Transactions value $
      
- 
        $0
      
      
- 
        Form type
      
- 
        4
      
      
- 
        Date filed
      
- 
        5/29/2025, 08:29 PM
      
 
     
   
 
  
    Reporting Owners (1)
  
  
    
      
        
          | Name | Relationship | Address | Signature | Signature date | CIK | 
      
      
          
            | M3-Brigade Sponsor V LLC | 10%+ Owner | C/O M3-BRIGADE ACQUISITION V CORP., 1700 BROADWAY, 19TH FLOOR, NEW YORK | /s/ Mohsin Y. Meghji, as Authorized Signatory | 2025-05-29 | 0002012961 | 
      
    
   
  
    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 | 
      
      
          
            | transaction | MBAV | Class B ordinary shares | Sale |  | -7.19M | -100% |  | 0 | May 27, 2025 | Class A ordinary shares | 7.19M |  | Direct | F1, F2, F3 | 
      
    
   
  
    * An asterisk sign (*) next to the price indicates that the price is likely invalid.
  
  M3-Brigade Sponsor V LLC is no longer subject to Section 16 filing requirements. Form 4 or Form 5 obligations may continue.
  
    Explanation of Responses: