6. COMMON STOCK, PREFERRED STOCK AND WARRANTS Public Offering On May 9, 2024, the Company closed on a registered public offering consisting of 704,999 shares of Common Stock (the “2024 Public Offering”), pre-funded warrants to purchase 2,147,222 shares of Common Stock (the “Pre-funded Warrants”) and accompanying Series A Warrants to purchase up to 2,852,221 shares of its Common Stock (“Series A Warrants”) and Series B Warrants to purchase up to 2,852,221 shares of its Common Stock (“Series B Warrants”, and together with the Series A Warrants, the “2024 Public Warrants”). The 2024 Public Offering price per share of Common Stock and accompanying Series A Warrants and Series B Warrants was $2.25, the public offering price per Pre-funded Warrant and accompanying Series A and Series B warrant was $2.249. The Pre-funded Warrants have an exercise price of $0.001 per share and 1,076,445 were exercised on the closing date. Net proceeds from the 2024 Public Offering, after deducting placement agent fees and expenses and other offering costs, were approximately $5.5 million. The 2024 Public Warrants have an exercise price of $2.25 per share and are exercisable upon issuance. The Series A Warrants will expire five years following the date of issuance and the Series B Warrants will expire twelve months following the date of issuance. The Pre-funded Warrants are exercisable upon issuance and may be exercised at any time until the Pre-funded Warrants are exercised in full. Warrant inducement On January 21, 2025, the Company entered into warrant exercise inducement offer letters (the “Inducement Letters”) with certain holders (the “Holders”) of its existing 2024 Public Warrants to purchase shares of the Company’s Class A common stock (the “Existing Warrants”), pursuant to which the Holders agreed to exercise for cash their Existing Warrants to purchase an aggregate of 4,971,110 shares of the Company’s common stock, in the aggregate, at a reduced exercise price of $0.751 per share, in exchange for the Company’s agreement to issue new Series C Warrants and Series D Warrants (the “Inducement Warrants”) on substantially the same terms as the Existing Warrants described below, to purchase up to 6,213,888 shares of the Company’s common stock (the “Inducement Warrant Shares”). The Company received aggregate gross proceeds of approximately $3.7 million from the exercise of the Existing Warrants by the Holders. The Company engaged Roth Capital Partners, LLC (“Roth”) to act as its financial advisor with the transactions summarized above and has paid Roth $0.2 million for its services, in addition to reimbursement for certain expenses along with other legal and regulatory expenses of $0.1 million resulting in net proceeds of $3.4 million and non-cash share issuance costs of $1.0 million and $3.1 million related to the modification of the Existing Warrants and issuance of the Inducement Warrants, respectively. As of March 31, 2025, 2,678,000 shares (the “Abeyance Shares”) from the exercised Existing Warrants are held in abeyance to be issued at the direction of the Holders due to the ownership limitations from the warrant agreements. On April 15, 2025, 474,000 shares previously held in abeyance were issued to the Holders. The Company has filed a registration statement on Form S-3 and S-3/A covering the resale of the Inducement Warrants Shares issued or issuable upon the exercise of the Inducement Warrants, which was effective March 27, 2025. In the Inducement Letters, the Company agreed not to issue any shares of common stock or common stock equivalents or to file any other registration statement with the SEC (in each case, subject to certain exceptions) for sixty (60) calendar days. The Company also has agreed not to effect or agree to effect any variable rate transaction (as defined in the Inducement Letters) for seventy-five (75) calendar days from the date of the Inducement Letters. On April 21, 2025, stockholder approval was obtained for the issuance of the Inducement Warrants at the Company’s annual meeting of stockholders. At-The-Market Offering On June 23, 2023, the Company entered into a Sales Agreement (the “Sales Agreement”) with Roth to create an at-the-market offering program (“ATM”) under which the Company may offer and sell shares with an aggregate offering price of up to $2.0 million. Roth is entitled to a fixed commission rate equal to up to 3% of the gross proceeds pursuant to the Sales Agreement. 93,300 and 148,201 shares have been sold under the ATM generating net proceeds of $0.1 million and $1.3 million in 2025 and 2024, respectively. Warrants August 2022 Warrants In connection with the Company’s registered public offering that closed on August 9, 2022, the Company issued warrants to purchase an aggregate of 720,000 shares of common stock (“2022 Public Warrants”). The Company performed an analysis of the provisions of the 2022 Public Warrants and concluded that the 2022 Public Warrants did not meet the guidance for being classified as an equity instrument due to a potential price reset prompted by a change in an unrelated instrument’s conversion rate or, in the event of a fundamental transaction, settlement rights that differ from those of the underlying common stockholders. The fair value of the 2022 Warrants as of March 31, 2025 and December 31, 2024 was determined using both a Monte Carlo simulation model, which uses multiple input variables to determine the probability of the occurrence of a price reset or a fundamental transaction and the Black-Scholes option pricing model. The following table includes the share price and the inputs used to estimate the fair value of the warrants: | | | | | | | | | | March 31, | | December 31, | | | | 2025 | | 2024 | | Stock price | | $ | 0.40 | | $ | 0.67 | | Warrant term (in years) | | | 2.36 | | | 2.61 | | Expected volatility | | | 88.76 | % | | 98.92 | % | Risk-free interest rate | | | 3.89 | % | | 4.26 | % | Dividend rate | | | 0.00 | % | | 0.00 | % |
The fair value of the derivative liability associated with the 2022 Warrants as of March 31, 2025 and December 31, 2024 was $0.1 million and $0.2 million, respectively. The change in the fair value of the derivative liability was recognized as a component of nonoperating income (expense) in the Company’s unaudited condensed consolidated statements of operations and comprehensive loss. No 2022 Warrants were exercised or cancelled during the three months ended March 31, 2025. The remaining outstanding 2022 Warrants to purchase 603,690 shares of Common Stock are classified as a derivative liability as of March 31, 2025, were exercisable upon issuance and will expire five years following the date of issuance. Equity-classified Warrants The Company has outstanding equity-classified warrants to purchase 7,097,858 shares of Common Stock at a weighted average exercise price of $1.87, with expiration dates ranging from February 2026 to May 2029. During the three months ended March 31, 2025, 4,983,306 equity-classified warrants, including 12,222 Pre-funded Warrants and 4,971,110 Exiting Warrants, were exercised for 2,305,306 common shares as the result of the cashless exercise provision for the Pre-Funded Warrants and 2,678,000 Existing Warrants held in abeyance as shares to be issued in connection with the warrant inducement discussed above.
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