Company: MBIO
Filing Date: 2025-04-01
Form Type: 424B3
Source: 0001104659-25-030657
Chunk: 179

Company: MUSTANG BIO, INC.
Filing Date: 2025-04-01
Form: 424B3
Chunk 179
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 2024).                                                                                                              
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Table of Contents

| Exhibit No. |   | Description                                                                                                                                                                                                                                                                                                                                                                                              |
| 19.1        | ​ | Insider Trading                                                                                                                                                                                                                                                                                                                                                                                          
 Policy**                                                                                                                                                                                                                                                                                                                                                                                                 
 ​                                                                                                                                                                                                                                                                                                                                                                                                        |
| 23.1        | ​ | Consent of Independent Registered Public Accounting Firm, KPMG, LLP, Boston, Massachusetts. ***                                                                                                                                                                                                                                                                                                          |
| ​           | ​ | ​                                                                                                                                                                                                                                                                                                                                                                                                        |
| 31.1        |   | Certification of Principal Executive and Financial Officer, pursuant to Rule 13a-14(a) of the Exchange Act, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. **                                                                                                                                                                                                                     |
| 32.1        |   | Certification of Principal Executive and Financial Officer, pursuant to Rule 13a-14(b) of the Exchange Act and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. ***                                                                                                                                                                                         |
| 97          | ​ | Compensation Clawback Policy (incorporated by reference to Exhibit 97 of the Registrant’s Annual Report on Form 10-K (File No. 001-38191) filed with the SEC on March 11, 2024).                                                                                                                                                                                                                         |
| ​           | ​ | ​                                                                                                                                                                                                                                                                                                                                                                                                        |
| 101         |   | The following financial information from Mustang Bio, Inc.’s Annual Report on Form 10-K for the year ended December 31, 2024, formatted in Inline Extensible Business Reporting Language (iXBRL): (i) the Balance Sheets, (ii) the Statements of Operations, (iii) the Statement of Stockholders’ Equity, (iv) the Statements of Cash Flows, and (v) Notes to the Financial Statements (filed herewith). |
| ​           
 104         | ​ | ​                                                                                                                                                                                                                                                                                                                                                                                                        
 Cover Page Interactive Data File (formatted as Inline XBRL and contained                                                                                                                                                                                                                                                                                                                                 
 in exhibit 101)                                                                                                                                                                                                                                                                                                                                                                                          |

# Confidential treatment has been requested
with respect to omitted portions of this exhibit.

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† Indicates management contract
or compensatory plan or arrangement.

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** Filed herewith.

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*** Furnished herewith.

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Item 16. Form 10-K Summary.

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None.

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