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Organization, Description of Business and Liquidity and Capital Resources | 6 Months Ended
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Jun. 30, 2019
Organization, Description of Business and Liquidity and Capital Resources |
Organization, Description of Business and Liquidity and Capital Resources | Note 1 - Organization, Description of Business and Liquidity and Capital Resources Mustang Bio, Inc. (the “Company” or “Mustang”) was incorporated in Delaware on March 13, 2015. Mustang is as a clinical-stage biopharmaceutical company focused on translating today’s medical breakthroughs in cell and gene therapy into potential cures for hematologic cancers, solid tumors and rare genetic diseases. The Company may acquire rights to these technologies by licensing the rights or otherwise acquiring an ownership interest in the technologies, funding their research and development and eventually either out-licensing or bringing the technologies to market. The Company is a majority-controlled subsidiary of Fortress Biotech, Inc. (“Fortress” or “Parent”). The Company’s common stock is listed on the NASDAQ Global Market and trades under the symbol “MBIO”. Liquidity and Capital Resources The Company has incurred substantial operating losses and expects to continue to incur significant operating losses for the foreseeable future and may never become profitable. As of June 30, 2019, the Company had an accumulated deficit of $99.1 million. During the three and six months ended June 30, 2019, the Company issued approximately 3.5 million shares of common stock under an At-the-Market Issuance Sales Agreement for aggregate total gross proceeds of approximately $22.5 million at an average selling price of $6.42 per share, resulting in net proceeds of approximately $22.0 million after deducting commissions and other transactions costs. Also during the three and six months ended June 30, 2019, the Company issued approximately 7.9 million shares of common stock through an underwritten public offering for aggregate total gross proceeds of approximately $31.6 million at a price of $4.00 per share, resulting in net proceeds of approximately $29.5 million after deducting commissions and other transactions costs. The Company has funded its operations to date primarily through the sale of equity and its venture debt financing agreement (the “Loan Agreement”) with Horizon Technology Finance Corporation (“Horizon”), herein referred to as the “Horizon Notes”. The Company expects to continue to use the proceeds from previous financing transactions primarily for general corporate purposes, including financing the Company’s growth, developing new or existing product candidates, and funding capital expenditures, acquisitions and investments. The Company currently anticipates that its cash and cash equivalents balances at June 30, 2019 are sufficient to fund its anticipated operating cash requirements for at least one year from the date of this Form 10‑Q. The Company will be required to expend significant funds in order to advance the development of its product candidates. The Company will require additional financings through equity and debt offerings, collaborations and licensing arrangements or other sources to fully develop, prepare regulatory filings, obtain regulatory approvals and commercialize its existing and any new product candidates.

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- Definition The entire disclosure for organization, consolidation and basis of presentation of financial statements disclosure. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -URI http://asc.fasb.org/topic&trid=2122149 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -URI http://asc.fasb.org/topic&trid=2197479 + Details
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