Note 4 - Related Party Agreements

Founders Agreement and Management Services Agreement with Fortress

In connection with the Company’s, Management Services Agreement (the “MSA”) with Fortress for the three and six months ended June 30, 2020 and 2019, respectively, expenses related to the MSA are recorded 50%in research and development expenses and 50% in general and administrative expenses on the condensed statement of operations.

Under the terms of the Second Amended and Restated Founders Agreement, which became effective July 22, 2016, Fortress will receive a grant of shares of our common stock equal to two and one-half percent (2.5%) of the gross amount of any equity or debt financing.  In March 2020, the Company issued 31,220 shares of common stock to Fortress, which equaled 2.5% of the gross proceeds of $5.0 million from the sale of shares of common stock under Mustang’s At-the-Market Offering. The Company recorded an expense of approximately $0.1 million in general and administrative expenses related to these shares during the six months ended June 30, 2020.

In June 2020, the Company issued 22,170 shares of common stock to Fortress, which equaled 2.5% of the gross proceeds of $3.0 million from the sale of shares of common stock under Mustang’s At-the-Market Offering. The Company recorded an expense of approximately $0.1 million in general and administrative expenses related to these shares during the six months ended June 30, 2020.

In June 2020, the Company issued 286,390 shares of common stock to Fortress, which equaled 2.5% of the gross proceeds of $37.2 million from the sale of shares of common stock, before deducting underwriting discounts and commissions and offering expenses under Mustang’s Public Offering. The Company recorded an expense of approximately $0.9 million in general and administrative expenses related to these shares during the six months ended June 30, 2020.

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Payables and Accrued Expenses Related Party

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In the normal course of business Fortress pays for certain expenses on behalf of the Company. Such expenses are recorded as Payables and accrued expenses - related party and are reimbursed to Fortress in the normal course of business.