and 2023, the Company recorded stock-based compensation expense related to the canceled stock options of less than $0.1 million and approximately $0.1 million, respectively.
Note 7. Preferred and common stock
Series X Preferred Stock
There were no shares of Series X preferred stock issued during the six months ended June 30, 2024 and 2023. As of June 30, 2024, there were 45,567 shares of Series X preferred stock outstanding.
Common Stock
On November 17, 2022, the Company entered into an equity purchase agreement (the “Purchase Agreement”) with LPC which provided that, upon the terms and subject to the conditions and limitations set forth therein, the Company could sell to LPC, at its discretion, up to $20.0 million of shares of its common stock over the 30-month term of the Purchase Agreement.
During the three months ended June 30, 2024, there were no shares of common stock issued in connection with the Purchase Agreement. During the three months ended June 30, 2023, the Company issued 81,170 shares of common stock, receiving net proceeds of approximately $2.0 million. During the six months ended June 30, 2024, there were no shares of common stock issued in connection with the Purchase Agreement. During the six months ended June 30, 2023, the Company issued 151,765 shares of common stock, receiving net proceeds of approximately $4.6 million net of fees of approximately $0.2 million.
During the three and six months ended June 30, 2024, the Company issued 314,231 shares of common stock in to settle pre-funded warrants that were exercised. During the three and six months ended June 30, 2024 no pre-funded warrants existed.
During the three months ended June 30, 2024, the Company issued no shares of its common stock in connection with the vesting of RSUs. During the three months ended June 30, 2023, the Company issued 5,328 shares of its common stock in connection with the vesting of RSUs held by members of the Company’s board of directors and employees. The Company withheld 1,679 of these shares, at a fair value of less than $0.1 million, to cover the withholding taxes related to the settlement of these vested RSUs.
During the six months ended June 30, 2024, the Company issued 87,049 shares of its common stock in connection with the vesting of RSUs issued to members of the Company’s board of directors and employees. The Company withheld 22,662 of these shares, at a fair value of less than $0.1 million, to cover the withholding taxes related to the settlement of these vested RSUs. During the six months ended June 30, 2023, the Company issued 44,201 shares of its common stock in connection with the vesting of RSUs issued to members of the Company’s board of directors and employees. The Company withheld 1,679 of these shares at a fair value of less than $0.1 million, to cover the withholding taxes related to the settlement of these vested RSUs.
Note 8. Commitments and contingencies
Litigation
As of June 30, 2024 and December 31, 2023, there was no litigation against the Company. The Company may be involved in legal proceedings, claims and assessments arising from the ordinary course of business. Such matters are subject to many uncertainties, and outcomes are not predictable with assurance.
Note 9. Related party transactions
Expenses – During the three-month periods ended June 30, 2024 and 2023, the Company expensed $95,000 and $60,000, respectively, for aggregate fees owed to TardiMed Sciences, LLC (“TardiMed”), pursuant to rental and consulting agreements entered into between the Company and TardiMed. For more information about these agreements, please see “Certain Relationships and Related Party Transactions” in the Company’s definitive proxy statement on Schedule 14A filed with the SEC on April 15, 2024. During the six-