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v3.22.1

STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Cash flows used in operating activities: |  |
Net loss | $ (29,465) | $ (21,300)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 307 | 160
Noncash lease expense | 411 | 282
Stock-based compensation | 6,829 | 3,886
Amortization of premium and discount on marketable securities, net | 748 |
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | 93 | 761
Accounts payable | 2 | 1,601
Accrued expenses and other liabilities | (401) | (1,372)
Operating lease liabilities | (419) | (161)
Net cash used in operating activities | (21,895) | (16,143)
Cash flows provided by (used in) investing activities: |  |
Proceeds from maturities of marketable securities | 42,500 |
Purchases of property and equipment | (952) | (986)
Net cash provided by (used in) investing activities | 41,548 | (986)
Cash flows provided by financing activities: |  |
Proceeds from the sale of common stock, net of offering costs |  | 161,424
Proceeds from the exercise of stock options | 153 | 386
Net cash provided by financing activities | 153 | 161,810
Net increase in cash and cash equivalents | 19,806 | 144,681
Cash, cash equivalents, and restricted cash at beginning of period | 35,872 | 218,309
Cash, cash equivalents, and restricted cash at end of period | 55,678 | 362,990
Supplemental disclosures: |  |
Operating lease right-of-use assets obtained in exchange for operating lease liabilities | 928 |
Property and equipment in accounts payable | 354 | $ 86
Unrealized loss on marketable securities | $ (1,602) |

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