On July 13, 2018, Mustang filed a shelf registration statement No. 333-226175 on Form S-3 , as amended on July 20, 2018 (the "2018 Mustang S-3"), which was declared effective in August 2018. Under the 2018 Mustang S-3, Mustang may sell up to a total of $75.0 million of its securities. In connection with the 2018 Mustang S-3, Mustang entered into an At-the-Market Issuance Sales Agreement (the "Mustang ATM") relating to the sale of shares of common stock. Under the Mustang ATM, Mustang pays the Agents a commission rate of up to 3.0% of the gross proceeds from the sale of any shares of common stock. On December 31, 2020, the ATM Agreement was amended to add H.C. Wainwright & Co., LLC as an Agent.
During the year ended December 31, 2021, the Company issued approximately 19.4 million shares of common stock at an average price of $3.70 per share for gross proceeds of $71.9 million under the ATM Agreement. In connection with these sales, the Company paid aggregate fees of approximately $1.3 million for net proceeds of approximately $70.6 million.
During the year ended December 31, 2020, Mustang issued approximately 17.6 million shares of common stock at an average price of $3.40 per share for gross proceeds of $59.8 million under the Mustang ATM. In connection with these sales, Mustang paid aggregate fees of approximately $1.1 million for net proceeds of approximately $58.7 million.
On October 23, 2020, Mustang filed a shelf registration statement No. 333-249657 on Form S-3 (the "2020 Mustang S-3"), which was declared effective on December 4, 2020. Under the 2020 Mustang S-3, Mustang may sell up to a total of $100.0 million of its securities.
On June 11, 2020, Mustang entered into an underwriting agreement (the “Mustang Underwriting Agreement”). In connection with the Mustang Underwriting Agreement, Mustang issued 10,769,231 shares of common stock (plus a 30-day option to purchase up to an additional 1,615,384 shares of common stock, of which 686,373 were exercised) at a price of $3.25 per share for gross proceeds of approximately $37.2 million, before deducting underwriting discounts and commissions and offering expenses. In connection with the public offering, Mustang paid aggregate fees of approximately $2.4 million for net proceeds of approximately $34.8 million. The shares were sold under the Mustang S-3 registrations filed with the Securities and Exchange Commission. The offering closed on June 15, 2020, and the over-allotment closed on June 25, 2020.
Pursuant to the terms of the Second Amended and Restated Founders Agreement, Mustang issued to Fortress 2.5% of the aggregate number of shares of Mustang common stock issued in the offerings noted above. Accordingly, Mustang issued 576,157 shares of common stock and recorded 107,022 shares issuable to Fortress for the year ended December 31, 2021 and issued 730,795 common shares to Fortress for the year ended December 31, 2020.
Avenue
In November 2021, Avenue, pursuant to an underwritten public offering, sold 2,238,805 shares of its common stock at a price of $1.34 per share for gross proceeds of approximately $3.0 million. After deducting underwriting discounts and commissions and other expenses, net proceeds to Avenue from this underwritten public offering were $2.6 million.
In December 2021, Avenue, pursuant to an underwritten public offering, sold 1,910,100 shares of its common stock at a price of $1.07 per share for gross proceeds of approximately $2.0 million. After deducting underwriting discounts and commissions and other expenses, net proceeds to Avenue from this underwritten public offering were $1.8 million.
Cyprium
On August 28, 2020, Cyprium closed on an underwritten public offering whereby it sold 255,400 shares of its 9.375% Series A Cumulative Redeemable Perpetual Preferred Stock (“Cyprium Perpetual Preferred Stock” or “Cyprium PPS”), plus an overallotment of an additional 64,600 shares, which was exercised on September 18, 2020 at a price of $25.00 per share for gross proceeds of $8.0 million, before deducting underwriting discounts and commissions and offering expenses of approximately $0.9 million (the “Cyprium Offering”).