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v3.23.1

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Cash flows from operating activities: |  |
Net loss | $ (25,192) | $ (17,549)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 5,371 | 2,205
Net amortization (accretion) of premiums (discounts) on marketable securities | (2,538) | 276
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | (3) | 778
Other assets | (228) | 630
Accounts payable | (672) | 1,353
Accrued expenses | (1,152) | (1,235)
Net cash used in operating activities | (24,414) | (13,542)
Cash flows from investing activities: |  |
Purchases of marketable securities | (187,948) | (13,943)
Proceeds from sales and maturities of marketable securities | 60,688 | 27,000
Net cash provided by (used in) investing activities | (127,260) | 13,057
Cash flows from financing activities: |  |
Payments of insurance costs financed by a third-party | (546) | (781)
Proceeds from issuance of common stock upon option exercise | 619 | 13
Payments of offering costs | (90) |
Net cash used in financing activities | (17) | (768)
Net decrease in cash and cash equivalents | (151,691) | (1,253)
Cash and cash equivalents at beginning of period | 241,806 | 68,526
Cash and cash equivalents at end of period | $ 90,115 | $ 67,273

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