Mustang 2020 and 2021 Shelf Registration Statements and At-the-Market Offering (the “Mustang ATM”)
On October 23, 2020, Mustang filed a shelf registration statement (File No. 333-249657) on Form S-3 (the “Mustang 2020 S-3”), which was declared effective on December 4, 2020. Through the Mustang 2020 S-3, Mustang may sell up to a total of $100.0 million of its securities. As of June 30, 2023, approximately $8.0 million of the Mustang 2020 S-3 remains available for sales of securities.
On April 23, 2021, Mustang filed a shelf registration statement (File No. 333-255476) on Form S-3 (the “Mustang 2021 S-3”), which was declared effective on May 24, 2021. Through the Mustang 2021 S-3, Mustang may sell up to a total of $200 million of its securities. As of June 30, 2023, there have been no sales of securities under the Mustang 2021 S-3.
In July 2018, Mustang entered into an At-the-Market Issuance Sales Agreement (the “Mustang ATM”) with B. Riley Securities, Inc. (formerly B. Riley FBR, Inc.), Cantor Fitzgerald & Co., National Securities Corporation (now B. Riley FBR, Inc.), and Oppenheimer & Co. Inc. (each an “Agent” and collectively, the “Agents”), relating to the sale of shares of common stock pursuant to the Mustang 2020 S-3. 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 Mustang ATM was amended to add H.C. Wainwright & Co., LLC as an Agent. On April 14, 2023, the Mustang ATM was amended to add the limitations imposed by General Instruction I.B.6 to Form S-3 and remove Oppenheimer & Co., Inc. as an Agent.
During the six months ended June 30, 2023, Mustang issued no shares of common stock through the Mustang ATM. During the six months ended June 30, 2022, Mustang issued approximately 0.5 million shares of common stock at an average price of $13.10 per share for gross proceeds of $5.9 million through the Mustang ATM. In connection with these sales, Mustang paid aggregate fees of approximately $1.2 million. Pursuant to the Company’s Founders Agreement with Mustang, Mustang issued 11,906 shares of common stock to Fortress at a weighted average price of $26.67 per share and recorded 2,777 shares issuable to Fortress for the six months ended June 30, 2022, in connection with the shares issued under the Mustang ATM.
Checkpoint 2020 and 2023 Shelf Registration Statements
The Checkpoint 2020 S-3 shelf registration statement (File No. 333-251005) filed by Checkpoint in November 2020 that was declared effective in December 2020, through which Checkpoint may sell up to $100 million of its securities. At June 30, 2023, approximately $8.7 million of the securities remains available for sale through the Checkpoint 2020 S-3.
In March 2023, Checkpoint filed shelf registration statement (File No. 333-270843) on Form S-3 (the “Checkpoint 2023 S-3”), which was declared effective May 5, 2023. Under the Checkpoint 2023 S-3, Checkpoint may sell up to a total of $150 million of its securities. As of June 30, 2023, approximately $120.9 million of the securities remains available for sale through the Checkpoint 2023 S-3.
Checkpoint Registered Direct Offerings
In May 2023, Checkpoint closed on a registered direct offering for the issuance and sale of an aggregate of 1,650,000 shares of its common stock at a purchase price of $3.071 per share in a registered direct offering. In addition, the offering includes 1,606,269 shares of common stock in the form of Pre-Funded Warrants at a price of $3.0709. The common stock and the Pre-Funded Warrants were sold together with Series A warrants to purchase up to 3,256,269 shares of common stock and Series B warrants to purchase up to 3,256,269 shares of common stock. The Series A and B warrants are exercisable immediately upon issuance with an exercise price of $2.821 per share and the Series A warrants will expire five years following the issuance date and the Series B warrants will expire eighteen months following the issuance. The total gross proceeds from the offering were approximately $10.0 million with net proceeds of approximately $9.1 million after deducting approximately $0.9 million in commissions and other transaction costs. The shares of common stock, Pre-Funded Warrants and May 2023 Common Stock Warrants were registered for sale under the Checkpoint 2023 Form S-3. The May 2023 Common Stock Warrants met the criteria for equity classification. As of June 30, 2023, 459,269 of the Pre-Funded Warrants from the Checkpoint May 2023 Registered Direct Offering were fully exercised.
In April 2023, Checkpoint closed on a registered direct offering for the issuance and sale of an aggregate of 1,700,000 shares of Checkpoint common stock at a purchase price of $3.60 per share of Checkpoint common stock and accompanying warrants in a registered direct offering priced at-the-market under Nasdaq rules. In a concurrent private placement, Checkpoint issued and sold Series A warrants to purchase up to 1,700,000 shares of Checkpoint common stock and Series B warrants to purchase up to 1,700,000 shares