Company: MBIO
Filing Date: 2025-02-05
Form Type: S-1/A
Source: 0001104659-25-009408
Chunk: 299

Company: MUSTANG BIO, INC.
Filing Date: 2025-02-05
Form: S-1/A
Chunk 299
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-38191 |     | June 24, 2024      |     |  4.1 |
| 4.12 |     | Form of June 2024 Warrant                                                                                                         |     | 8-K    |     | 001-38191 |     | June 24, 2024      |     |  4.2 |
| 4.13 |     | Form of June 2024 Wainwright Warrant                                                                                              |     | 8-K    |     | 001-38191 |     | June 24, 2024      |     |  4.3 |

145

| 4.14 | ​ | Form of Series B-1 Warrant              | ​ | 8-K | ​ | 001-38191 | ​ | October 25, 2024 | ​ | 4.1 | ​ | ​ |
| 4.15 | ​ | Form of Series B-2 Warrant              | ​ | 8-K | ​ | 001-38191 | ​ | October 25, 2024 | ​ | 4.2 | ​ | ​ |
| 4.16 | ​ | Form of October 2024 Wainwright Warrant | ​ | 8-K | ​ | 001-38191 | ​ | October 25, 2024 | ​ | 4.3 | ​ | ​ |

| 4.17 | ​ | Form of Series C-1 and C-2 Warrant | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | X |
| 4.18 | ​ | Form of Pre-Funded Warrant         | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | X |

| 4.19 | ​ | Form of Placement Agent Warrant | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | X |

| 5.1 |     | Opinion of Troutman Pepper Locke LLP |     | X |

| 10.1   |     | Second Amended and Restated Founders Agreement between Fortress Biotech, Inc. and Mustang Bio, Inc., dated July 26, 2016              |     | 10-12G |     | 000-55668 |     | July 28, 2016     |     |  10.1 |
| 10.2   |