Company: MBIO
Filing Date: 2025-12-03
Form Type: DEF 14A
Source: 0001104659-25-118122
Chunk: 40

Company: MUSTANG BIO, INC.
Filing Date: 2025-12-03
Form: DEF 14A
Chunk 40
---
5,690 |            * | % |
| 5% or Greater Stockholders:                                         |   |              |                  |            ​ |            ​ | ​ |
| Fortress Biotech, Inc. (4)                                          |   |      258,192 |                — |      258,192 |          4.0 | % |

| * | Less than 1% of our common stock outstanding |

| (1) | The address of each of the directors and executive officers is c/o Mustang Bio, Inc., 95 Sawyer Road, Suite 110, Waltham, Massachusetts 02453, and the address of Fortress Biotech, Inc. is c/o Fortress Biotech, Inc., 1111 Kane Concourse, Suite 301, Bay Harbor Islands, FL 33154. |

| (2) | Includes only options exercisable within 60 days of November 18, 2025 and unvested restricted stock units. |

26

| (3) | Includes 666 warrants issued by Fortress to each of Mr. Weiss and Dr. Rosenwald that cover shares of our common stock that are owned by Fortress. These do not represent equity compensation by us to either Mr. Weiss or Dr. Rosenwald. |

| (4) | Includes shares underlying 666 warrants issued to each of Mr. Weiss and Dr. Rosenwald, and excludes 250,000 of Class A Preferred Stock, which are convertible into 333 shares of Common Stock. |

The following table shows information, as of November 18, 2025, concerning the beneficial ownership of our Class A Common Stock:

| ​                                       | ​ |                    ​ | ​ |             ​ | ​ |
| ​                                       | ​ | Class A Common Stock |   |               |   |
| ​                                       | ​ |   Beneficially Owned |   |               |   |
| ​                                       |   |            Number of |   |             ​ |   |
| ​                                       | ​ |           Shares and | ​ |             ​ |   |
| ​                                       | ​ |            Nature of | ​ | Percentage of |   |
| ​                                       | ​ |           Beneficial | ​ | Total Class A |   |
| Name and Address of Beneficial Owner(1) | ​ |         Ownership(2) | ​ |  Common Stock |   |
| City of Hope                            |   |              845,385 |   |           100 | % |

| (1) | The address City of Hope is