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Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Cash flows from operating activities: |  |
Net (loss) income | $ (71,798,000) | $ 4,180,000
Adjustments to reconcile net (loss) income to net cash used in operating activities: |  |
Depreciation and amortization | 1,401,000 | 848,000
Gain on sale of non-financial asset | 0 | (47,625,000)
Non-cash operating lease expense | 1,383,000 | 807,000
Stock-based compensation | 3,152,000 | 1,620,000
Accretion of premiums (discounts), net | (1,410,000) | 0
Deferred income tax | (491,000) | 491,000
Other | 45,000 | 30,000
Changes in operating assets and liabilities: |  |
Prepaid expenses and other current assets | (4,297,000) | (136,000)
Accounts receivable | (20,000) | (151,000)
Other non-current assets | (170,000) | 165,000
Accounts payable | 723,000 | (653,000)
Accrued expenses and other current liabilities | 3,564,000 | 2,471,000
Operating leases, net | 448,000 | (770,000)
Net cash used in operating activities | (67,470,000) | (38,723,000)
Cash flows from investing activities: |  |
Purchases of property and equipment | (2,103,000) | (2,878,000)
Proceeds from sale of non-financial asset | 22,625,000 | 25,000,000
Purchases of marketable securities | (213,390,000) | 0
Maturities of marketable securities | 32,270,000 | 0
Net cash (used in) provided by investing activities | (160,598,000) | 22,122,000
Cash flows from financing activities: |  |
Proceeds from Initial Public Offering, net of offering costs | 302,788,000 | 0
Proceeds from issuance of Series B Convertible Preferred stock, net of issuance costs | 74,942,000 | 74,521,000
Repurchases of unvested restricted common stock | (1,000) | (1,000)
Proceeds from exercise of stock options | 52,000 | 0
Net cash provided by financing activities | 377,781,000 | 74,520,000
Net increase in cash, cash equivalents and restricted cash | 149,713,000 | 57,919,000
Cash, cash equivalents and restricted cash, beginning of year | 89,388,000 | 31,469,000
Cash, cash equivalents and restricted cash, end of year | 239,101,000 | 89,388,000
Supplemental cash flow information: |  |
Cash paid for income taxes | 232,000 | 75,000
Supplemental disclosure for noncash investing and financing activities: |  |
Right-of-use asset recognized in exchange for operating lease liability | 12,462,000 | 12,579,000
Other receivable related to sale of non-financial asset | 0 | 22,625,000
Conversion of convertible preferred stock to common stock upon initial public offering | 224,157,000 | 0
Unpaid offering costs included in accounts payable | 21,000 | 0
Property and equipment included in accounts payable and accrued expenses and other current liabilities | 37,000 | 262,000
Cash, Cash Equivalents and Restricted Cash: |  |
Cash and cash equivalents | 238,196,000 | 88,483,000
Restricted Cash | 905,000 | 905,000
Total cash, cash equivalents and restricted cash at end of year | $ 239,101,000 | $ 89,388,000

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