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v3.25.2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2025 | Jun. 30, 2024
Operating activities |  |
Net loss | $ (66,761) | $ (44,100)
Reconciliation of net loss to net cash used in operating activities: |  |
Stock-based compensation expense | 8,190 | 6,205
Right-of-use asset - operating lease | 568 | 401
Amortization (accretion) of premium (discount) on investment securities | (1,891) | (2,507)
Other non-cash items | 88 | 31
Changes in assets and liabilities: |  |
Prepaid expenses and other assets | (8,581) | 476
Operating lease liabilities | (587) | (293)
Accounts payable | (3,582) | 828
Accrued expenses | 2,480 | 3,074
Net cash used in operating activities | (70,076) | (35,885)
Investing activities |  |
Purchases of short-term investments | (1,339,835) | (2,437,029)
Sales and maturities of short-term investments | 1,427,000 | 2,243,000
Purchases of property and equipment | (590) | (305)
Net cash provided by (used in) investing activities | 86,575 | (194,334)
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 |  | 4,727
Net cash provided by financing activities |  | 141,901
Net increase (decrease) in cash, cash equivalents and restricted cash | 16,499 | (88,318)
Cash, cash equivalents and restricted cash, beginning of period | 59,820 | 175,693
Cash, cash equivalents and restricted cash, end of period | $ 76,319 | 87,375
Supplemental disclosure of non-cash transactions: |  |
Operating lease right-of-use assets obtained in exchange for operating lease liabilities |  | 5,753
Purchases of property and equipment in accounts payable and accrued liabilities |  | $ 199

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