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v3.21.1

Condensed Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Cash flows from operating activities: |  |
Net loss | $ (18,867) | $ (5,279)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation expense | 186 | 139
Amortization of debt issuance costs | 1 | 20
Stock-based compensation expense | 4,285 | 47
Non-cash lease expense | 280 | 262
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | (54) | 92
Accounts payable and accrued expenses | 2,208 | (2,697)
Lease liability | (240) | (212)
Net cash used in operating activities | (12,201) | (7,628)
Cash flows from investing activities: |  |
Purchase of property and equipment | (35) | (33)
Net cash used in investing activities | (35) | (33)
Cash flows from financing activities: |  |
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs |  | 21,659
Principal payments on term loan payable | (350) | (350)
Proceeds from exercise of common stock options | 222 | 6
Net cash (used in) provided by financing activities | (128) | 21,315
Change in cash, cash equivalents, and restricted cash | (12,364) | 13,654
Cash, cash equivalents, and restricted cash at beginning of period | 386,919 | 10,526
Cash, cash equivalents, and restricted cash at end of period | 374,555 | 24,180
Supplemental disclosure of cash flow information: |  |
Purchases of property and equipment included in accounts payable and accrued expenses | 136 |
Change in early exercise liability included in accounts payable and accrued expenses | $ 32 |
Issuance of Series B redeemable convertible preferred stock upon conversion of convertible notes |  | 10,095
Unpaid issuance costs and amounts payable to investors for redeemable converteible preferred stock included in accounts payable and accrued liabilities |  | $ 201

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