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Condensed Consolidated Balance Sheet and Statement of Operations and Comprehensive Loss Components (Tables) | 6 Months Ended
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Jun. 30, 2025
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure | Prepaid expenses and other current assets consist of the following:
| As of June 30, 2025 |  | As of December 31, 2024
| (amounts in thousands)
Prepaid expenses | $ | 16,575 |  |  | $ | 13,562 |
Other current assets | 2,549 |  |  | 6,708 |
Total prepaid expenses and other current assets | $ | 19,124 |  |  | $ | 20,270 |
Schedule of Property, Plant and Equipment | Depreciation and amortization expenses are calculated on a straight-line basis and applied to asset classes based upon the Company’s estimate of the asset class’s useful life, as summarized below:
| Estimated Useful Life
Laboratory equipment | 3 years
Computer equipment and software | 3 years
Furniture and fixtures | 5 years
Aircraft | 15 years
Leasehold improvements/leased buildings | Lesser of remaining lease term or useful life
Leased equipment | Lesser of initial lease term or 5 years
Property and equipment, net consist of the following:
| As of June 30, 2025 |  | As of December 31, 2024
| (amounts in thousands)
Computer equipment and software | $ | 74,791 |  |  | $ | 73,312 |
Capitalized software | 26,312 |  |  | 25,921 |
Laboratory equipment | 108,576 |  |  | 103,795 |
Furniture and fixtures | 9,129 |  |  | 9,110 |
Leasehold improvements/Leased buildings | 63,295 |  |  | 63,039 |
Aircraft and leased equipment | 21,249 |  |  | 21,249 |
Total property and equipment | 303,352 |  |  | 296,426 |
Less: accumulated depreciation and amortization | (242,037) |  |  | (228,609) |
Property and equipment, net | $ | 61,315 |  |  | $ | 67,817 |
Schedule of Accrued Liabilities | Accrued expenses and other current liabilities consist of the following:
| As of June 30, 2025 |  | As of December 31, 2024
| (amounts in thousands)
Trade accruals | $ | 5,749 |  |  | $ | 7,131 |
Accrued payroll and employee medical | 18,308 |  |  | 17,882 |
Accrued bonus | 13,516 |  |  | 25,736 |
Current portion of early exercise stock option liability | 327 |  |  | 4,957 |
Contract liability | 5,340 |  |  | 7,470 |
Current portion of operating lease liabilities | 7,291 |  |  | 6,080 |
Other accrued expenses | 10,826 |  |  | 8,286 |
Total accrued expenses and other current liabilities | $ | 61,357 |  |  | $ | 77,542 |
Schedule of Other Long-Term Liabilities | Other long-term liabilities consist of the following:
| As of June 30, 2025 |  | As of December 31, 2024
| (amounts in thousands)
Long-term operating lease liabilities, net of current portion | $ | 37,983 |  |  | $ | 38,651 |
Long-term portion of early exercise stock option liability | 380 |  |  | 5,767 |
Total other long-term liabilities | $ | 38,363 |  |  | $ | 44,418 |
Schedule of Other Expense, Net | Other expense, net, consists of the following:
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
| (amounts in thousands)
Loss on debt extinguishment | $ | (17,930) |  |  | $ | — |  |  | $ | (17,930) |  |  | $ | — |
Other | (411) |  |  | (141) |  |  | (428) |  |  | (360) |
Total other expense, net | $ | (18,341) |  |  | $ | (141) |  |  | $ | (18,358) |  |  | $ | (360) |

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- Definition Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs. + References No definition available. + Details
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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 10 -Topic 360 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482099/360-10-50-1 + Details
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