Company: MBIO
Filing Date: 2025-01-15
Form Type: S-1
Source: 0001410578-25-000028
Chunk: 0

Company: MUSTANG BIO, INC.
Filing Date: 2025-01-15
Form: S-1
Chunk 0
---
As filed with the Securities and Exchange Commission on January 15, 2025. Registration No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM S-1 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 MUSTANG BIO, INC. (Exact name of registrant as specified in its charter)

| Delaware                        
 (State or other jurisdiction of 
 incorporation or organization)  |     | 2836                         
 (Primary Standard Industrial 
 Classification Code Number)  |     | 47-3828760             
 (I.R.S. Employer       
 Identification Number) |

377 Plantation Street Worcester, Massachusetts 01605 (781) 652-4500 (Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices) Manuel Litchman, M.D. President and Chief Executive Officer Mustang Bio, Inc. 377 Plantation Street Worcester, Massachusetts 01605 (781) 652-4500 (Name, address, including zip code, and telephone number, including area code, of agent for service) Copies to:

| Rakesh GopalanDavid S. WolpaAlexander T. YarbroughTroutman Pepper Locke LLP301 S. College Street, 34th FloorCharlotte, NC 28202(704) 998-4050 |

Approximate date of commencement of proposed sale to the public:As soon as practicable after the effective date of this Registration Statement. If any of the securities being registered on this Form are to be offered on a delayed or continuous basis pursuant to Rule 415 under the Securities Act of 1933, check the following box. ☒ If this Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the Securities Act, please check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ If this Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, check the following box and list the Securities Act registration statement number of the earlier effective registration statement for the same offering. ☐ Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer,