| Balance Sheet Components |
Balance Sheet Components Property and Equipment, Net Property and equipment, net consisted of the following: | | | | | | | | | | | | | | | | | | | As of September 30, 2026 | | As of December 31, 2025 | | | | Building and land | | $ | 14,078 | | | $ | 14,078 | | | | Leasehold improvements | | 2,697 | | | 2,697 | | | | | Computer hardware and software | | 854 | | | 854 | | | | | Office and lab equipment | | 13,049 | | | 12,437 | | | | | Furniture and fixtures | | 2,024 | | | 2,024 | | | | | | $ | 32,702 | | | $ | 32,090 | | | | | Accumulated depreciation | | (18,024) | | | (16,126) | | | | | | 14,678 | | | 15,964 | | | | | Equipment not yet in service | | 22 | | | — | | | | | Property and equipment, net | | $ | 14,700 | | | $ | 15,964 | | | |
Depreciation expense was $569 and $1,898 for the three and nine months ended September 30, 2026, respectively, and $1,105 and $3,180 for the three and nine months ended September 30, 2025, respectively. Other Non-current Assets Other non-current assets consisted of the following: | | | | | | | | | | | | | | | | | | As of September 30, 2026 | | As of December 31, 2025 | | | | | | | | | | | | | | | | | | | | | Operating lease right-of-use assets | | $ | 35,531 | | | $ | 45,058 | | | | Other | | 2,141 | | | 2,306 | | | | Other non-current assets | | $ | 37,672 | | | $ | 47,364 | | |
Accrued Expenses and Other Current Liabilities Accrued expenses and other current liabilities consisted of the following: | | | | | | | | | | | | | | | | | As of September 30, 2026 | | As of December 31, 2025 | | | | | | | Accrued employee compensation and benefits | | 12,099 | | | 16,781 | | | Accrued clinical trial costs | | 22,409 | | | 30,437 | | | | | | | | | | | | | | | | | | | | | | | | | | | Operating lease liabilities - current portion | | 4,744 | | | 5,756 | | 2025 Additional Consideration True-Up liability | | — | | | 42,710 | | | Other accrued expenses and other current liabilities | | 9,981 | | | 8,607 | | | Accrued expenses and other current liabilities | | $ | 49,233 | | | $ | 104,291 | |
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