Company: MBIO
Filing Date: 2025-02-07
Form Type: 424B4
Source: 0001410578-25-000085
Chunk: 122

Company: MUSTANG BIO, INC.
Filing Date: 2025-02-07
Form: 424B4
Chunk 122
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 $42.2 million for the nine months ended September 30, 2023. Net cash used in operating activities for the nine months ended September 30, 2024, was primarily due to approximately $14.8 million in net loss, partially offset by $2.8 million of non-cash items, primarily related to the $2.6 million asset impairment charge, and a $2.6 million positive change in operating assets and liabilities.

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Net cash used in operating activities for the nine months ended September 30, 2023, was primarily due to approximately $43.0 million in net loss and a $2.9 million negative change in operating assets and liabilities, offset in part by $3.6 million of non-cash items, which is primarily attributable to a $2.8 million loss on extinguishment of debt, $1.6 million of depreciation expense and $0.4 million of non-cash stock compensation expenses, offset in part by the $1.4 million gain on the sale of property and equipment to uBriGene. Investing Activities During the nine months ended September 30, 2024, no cash was used in or provided by investing activities. Net cash provided by investing activities was $5.9 million for the nine months ended September 30, 2023, primarily reflecting proceeds from the sale of property and equipment to uBriGene of $6.0 million. Financing Activities Net cash provided by financing activities was $6.3 million during the nine months ended September 30, 2024, primarily reflecting the proceeds from the May and June 2024 Offerings and the ATM. Net cash used in financing activities was $30.0 million during the nine months ended September 30, 2023, driven by the repayment of the Term Loan, partially offset by $0.2 million raised from the issuance of the Company’s common shares in connection with the ESPP, and $0.2 million of net proceeds from the Mustang ATM. Cash Flows for the Years Ended December 31, 2023 and 2022

| ​                                                        | ​                
 ($ in thousands) | ​                               
 For the year ended December 31, 
 ​                               |    2023 |   | ​ 
 ​ |    2022 |
|:---------------------------------------------------------|:-----------------|:--------------------------------|--------:|:--|:--|--------:|
| Statement of cash flows data:                            |                  | ​                               |         |