Company: MBIO
Filing Date: 2025-10-01
Form Type: SCHEDULE 13D/A
Source: 0001104659-25-095631
Chunk: 1

Company: MUSTANG BIO, INC.
Filing Date: 2025-10-01
Form: SCHEDULE 13D/A
Chunk 1
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 have an exercise price of $110.25 per share, are exercisable until July 15, 2035. The Reporting Person must reserve from its holdings of the Issuer's common stock the shares underlying the Warrants until the Warrants are exercised. The foregoing description of the Warrants is not complete and is qualified in its entirety by reference to the full text of the form of the Amended and Restated Common Stock Warrant incorporated herein by reference as Exhibit 7.03. Mr. Weiss has served Chairman of the Issuer's Board of Directors since May 2015 and as the Executive Chairman since January 2017. Dr. Rosenwald has served as a member of the Issuer's Board of Directors since the Issuer's conception. Sole Dispositive Power excludes the 1,333 shares of Issuer's common stock underlying the warrants. Shared Dispositive Power consists solely of the 1,333 shares of Issuer's common stock underlying the Warrants. All percentage calculations set forth herein are based upon 6,394,261 shares of the Issuer's common stock as of August 6, 2025 as reported by the Issuer on its Quarterly Report on Form 10-Q filed with the Securities and Exchange Commission on August 8, 2025, 845,385 shares of the Issuer's Class A common stock, convertible into 1,127 shares of the Issuer's common stock, the conversion of all 250,000 shares of Issuer's Class A preferred stock into 333 shares of the Issuer's common stock, and 59,334 shares of Issuer's common stock issued as Offering Equity Grants (defined below). This Amendment No. 6 to Schedule 13D (this "Amendment No. 6") amends and supplements the Schedule 13D filed on May 26, 2017 (as amended and supplemented through the date of this Amendment No. 6, collectively, the "Schedule 13D") relating to the Common Stock of Mustang Bio, Inc. (the "Issuer"), by Fortress Biotech, Inc. (the "Reporting Person"). Except as specifically provided herein, this Amendment No. 6 does not modify any of the information previously reported on the Schedule 13D. Capitalized terms used but not defined herein shall have the same meanings as are ascribed to them in the Schedule 13D, as applicable

| SCHEDULE 13D |

| Item 1. | Security and Issuer