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Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2024 | Jun. 30, 2023
Cash flows from operating activities |  |
Net Income (Loss) | $ (44,306) | $ (63,212)
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 469 | 583
Stock-based compensation | 4,796 | 7,289
Changes in operating assets and liabilities: |  |
Prepaid expenses and other assets | 258 | (1,690)
Accounts payable and accrued expenses | (10,924) | 10,575
Right-of-use assets and lease liabilities, net | (314) | (293)
Net cash used in operating activities | (50,021) | (46,748)
Cash flows from investing activities |  |
Purchases of property and equipment | 0 | (65)
Net cash used in investing activities | 0 | (65)
Cash flows from financing activities |  |
Proceeds from issuance of common stock under Employee Stock Purchase Plan | 244 | 173
Payments for taxes related to net settlement of equity awards | (32) | (174)
Net cash provided by (used in) financing activities | 212 | (1)
Net decrease in cash and cash equivalents | (49,809) | (46,814)
Cash and cash equivalents, beginning of period | 111,471 | 215,507
Cash and cash equivalents, end of period | 61,662 | 168,693
Supplemental disclosure of non-cash investing and financing activities |  |
Tax related to net settlement of equity awards included in accounts payable and accrued expenses | $ 4 | $ 19

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