At-the-Market Offering Programs
We had entered into a sales agreement with Cowen and Company LLC, or Cowen, pursuant to which we could issue and sell shares of common stock, par value $0.001 per share, under at-the-market offering programs, or the Cowen ATM Program. On May 20, 2021, we terminated our sales agreement with Cowen. On June 30, 2021, we entered into an Open Market Sale AgreementSM with Jefferies LLC, pursuant to which we can issue and sell shares of common stock of up to $25.0 million under at-the-market offering programs (the Jefferies ATM Program and collectively with the Cowen ATM Program, the ATM Programs). On September 15, 2022, the Jefferies ATM Program was modified to increase the amount of our common stock that may be offered thereunder to an aggregate offering price of up to $50.0 million. We pay the sales agent commissions of 3.0% of the gross proceeds from any common stock sold through the ATM Programs. As of September 30, 2022, we sold an aggregate of 2,715,166 shares of common stock under the Jefferies ATM Program for gross proceeds of $25.0 million and net proceeds of $24.3 million. All of these sales took place in the quarter ended September 30, 2022. There was no activity under the ATM Programs during the nine months ended September 30, 2021. Subsequent to September 30, 2022, we sold an aggregate of 1,296,836 shares of common stock under the Jefferies ATM Program for gross proceeds of $13.1 million and net proceeds of $12.7 million.
Cash Flows
Comparison of the Nine Months Ended September 30, 2022 and 2021
The following table provides information regarding our cash flows for the nine months ended September 30, 2022 and 2021 (in thousands):
| | | | | | |
| | Nine Months Ended September 30, |
| | 2022 | | 2021 |
Net cash used in operating activities | | $ | (32,869) | | $ | (23,865) |
Net cash (used in) provided by investing activities | | | (31,949) | | | 26,445 |
Net cash provided by financing activities | | | 24,324 | | | 104,267 |
Net (decrease) increase in cash, cash equivalents and restricted cash | | $ | (40,494) | | $ | 106,847 |
Net Cash Used in Operating Activities
Net cash used in operating activities was $32.9 million for the nine months ended September 30, 2022 and consisted primarily of a net loss of $38.6 million adjusted for stock-based compensation expense of $3.5 million, expense recognized for warrants of $1.5 million, other non-cash items of $0.1 million, and a net decrease in net assets of $0.6 million, which resulted primarily from an increase in accrued expenses of $1.8 million, partially offset by a decrease in accounts payable of $0.8 million, and an increase in prepaid expenses of $0.4 million.
Net cash used in operating activities was $23.9 million for the nine months ended September 30, 2021 and consisted primarily of a net loss of $185.4 million adjusted for the non-cash portion of acquired IPR&D of $164.6 million, stock-based compensation expense of $2.4 million, a gain on warrants of $0.3 million, and a net increase in net assets of $5.2 million, which resulted primarily from a decrease in accounts payable of $3.0 million, an increase in prepaid expenses and other assets of $1.1 million, a decrease in accrued expenses of $1.0 million, and a decrease in our operating lease of $0.1 million.
Net Cash (Used in) Provided by Investing Activities
Net cash used in investing activities was $31.9 million for the nine months ended September 30, 2022 and consisted primarily of purchases of short-term investments of $217.6 million offset by maturities of short-term investments of $185.7 million. Net cash provided by investing activities was $26.4 million for the nine months ended September 30, 2021 and consisted primarily of proceeds from maturities of short-term investments of $20.0 million and cash acquired in the Quellis Acquisition of $6.4 million.
Net Cash Provided by Financing Activities
Net cash provided by financing activities was $24.3 million for the nine months ended September 30, 2022, which was attributable to net proceeds under the Jefferies ATM Program. Net cash provided by financing activities was $104.3 million for the nine months ended September 30, 2021, which was attributable to net proceeds of $104.3 million from the February 2021 Financing.