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v3.25.1

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Operating activities |  |
Net loss | $ (33,709) | $ (19,928)
Reconciliation of net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 3,839 | 2,754
Right-of-use asset - operating lease | 281 | 153
Accretion of discount/premium on investment securities | (1,053) | (678)
Other non-cash items | 20 | 13
Changes in assets and liabilities: |  |
Prepaid expenses and other assets | (1,393) | (930)
Lease liability - operating lease | (290) | (161)
Accounts payable | (625) | (651)
Accrued expenses | (1,088) | 334
Net cash used in operating activities | (34,018) | (19,094)
Investing activities |  |
Purchases of short-term investments | (751,417) | (1,049,231)
Sales and maturities of short-term investments | 780,000 | 923,000
Net cash provided by (used in) investing activities | 28,583 | (126,231)
Financing activities |  |
Proceeds from public offering, net of underwriting discounts and issuance costs |  | 117,172
Proceeds from at-the-market offering, net of issuance costs |  | 20,002
Proceeds from exercise of stock options and warrants |  | 4,633
Net cash provided by financing activities |  | 141,807
Net decrease in cash, cash equivalents and restricted cash | (5,435) | (3,518)
Cash, cash equivalents and restricted cash, beginning of period | 59,820 | 175,693
Cash, cash equivalents and restricted cash, end of period | $ 54,385 | 172,175
Supplemental disclosure of non-cash transactions: |  |
Public offering issuance costs in accounts payable and accrued expenses |  | $ 280

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