General and Administrative Expense
For the three months ended September 30, 2024, the increase in general and administrative expenses of $0.4 million as compared to the three months ended September 30, 2023, primarily consisted of an increase of $0.2 million in personnel and related costs and an increase of $0.2 million in outside service costs.
For the nine months ended September 30, 2024, the increase in general and administrative expenses of $0.8 million as compared to the nine months ended September 30, 2023, primarily consisted of an increase of $0.6 million in personnel and related costs and an increase of $0.2 million in outside service costs.
Interest Income and Other Expense, net
For the three and nine months ended September 30, 2024, the increase in interest income and other expense, net of $0.1 million primarily consisted of an increase in interest income earned due to an increase in cash equivalents and marketable securities.
Change in fair value of warrant liabilities
For the three months ended September 30, 2024, the change in fair value of warrant liability of $32.8 million represents an increase in the fair value of common warrants from June 30, 2024 to September 30, 2024, which was primarily due to an increase in the market price of the Company’s common stock.
For the nine months ended September 30, 2024, the change in fair value of warrant liability of $31.0 million represents an increase in the fair value of common warrants from the issuance date of May 6, 2024 to September 30, 2024, which was primarily due to an increase in the market price of the Company’s common stock.
Sublease Income – Related Party
For the three months ended September 30, 2024 and 2023, there was no sublease income.
For the nine months ended September 30, 2024, the decrease in sublease income of $0.1 million as compared to the nine months ended September 30, 2023, was due to the expiration of the building sublease agreement with Angel Pharmaceuticals in January 2023
Income (loss) from equity method investment
For the three months ended September 30, 2024, the decrease in loss from equity method investment of $0.2 million as compared to the three months ended September 30, 2023, primarily consisted of a decrease in Angel Pharmaceuticals’ loss for the three months ended September 30, 2024.
For the nine months ended September 30, 2024, the decrease in loss from equity method investment of $2.9 million as compared to the nine months ended September 30, 2023, primarily consisted of a decrease in Angel Pharmaceuticals’ loss for the nine months ended September 30, 2024.
Liquidity and Capital Resources
As of September 30, 2024, we had cash, cash equivalents and marketable securities of $41.7 million, and an accumulated deficit of $384.9 million, compared to cash and cash equivalents and marketable securities of $27.1 million and an accumulated deficit of $334.7 million as of December 31, 2023.
Since our inception and through September 30, 2024, we have funded our operations primarily through the sale and issuance of preferred and common stock, including through our IPO in March 2016, in which we raised net proceeds of approximately $70.6 million, a follow-on offering of our common stock in March 2018, in which we raised net