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v3.21.2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2021 | Sep. 30, 2020
Operating activities |  |
Net loss | $ (185,421) | $ (28,322)
Reconciliation of net loss to net cash used in operating activities: |  |
Non-cash portion of acquired in-process research and development | 164,612 |
Stock-based compensation expense | 2,390 | 1,085
Net gain on warrants inherited in acquisition of Quellis | (315) |
Other non-cash items | 15 | 42
Changes in assets and liabilities: |  |
Prepaid expenses and other assets | (1,092) | 121
Right-of-use asset-operating | (96) | 125
Accounts payable | (2,947) | 211
Accrued expenses | (1,011) | 2,314
Net cash used in operating activities | (23,865) | (24,424)
Investing activities |  |
Purchases of short-term investments |  | (42,777)
Sales and maturities of short-term investments | 20,000 | 69,110
Cash acquired in acquisition of Quellis | 6,466 |
Purchases of property and equipment | (21) | (23)
Net cash provided by investing activities | 26,445 | 26,310
Financing activities |  |
Proceeds from underwritten public offering, net of issuance costs |  | 24,559
Proceeds from private offering of public equity, net of issuance costs | 104,261 |
Proceeds from at-the-market offering, net of issuance costs |  | 16,270
Proceeds from exercise of common stock options | 6 |
Net cash provided by financing activities | 104,267 | 40,829
Net increase in cash, cash equivalents and restricted cash | 106,847 | 42,715
Cash, cash equivalents and restricted cash, beginning of period | 25,051 | 10,376
Cash, cash equivalents and restricted cash, end of period | 131,898 | $ 53,091
Supplemental disclosure of cash flow information |  |
Conversion of Series X Preferred Stock into common stock | 168,920 |
Non-cash dividend on convertible preferred stock | 24,437 |
Reclassification of warrant liability to additional paid-in capital | $ 3,468 |

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