The following table summarizes the unrealized positions of the Company’s available-for-sale securities disaggregated by class of instrument as of June 30, 2026 and December 31, 2025 (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | As of June 30, 2026 | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | US Treasury Securities | $ | 133,083 | | | $ | 2 | | | $ | (264) | | | $ | 132,821 | | | Corporate Debt | 390,308 | | | 25 | | | (701) | | | 389,632 | | | Total | $ | 523,391 | | | $ | 27 | | | $ | (965) | | | $ | 522,453 | |
| | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | Amortized Cost | | Gross Unrealized Gains | | Gross Unrealized Losses | | Fair Value | | US Treasury Securities | $ | 12,043 | | | $ | 33 | | | $ | — | | | $ | 12,076 | | | Corporate Debt | 39,292 | | | 107 | | | — | | | 39,399 | | | Total | $ | 51,335 | | | $ | 140 | | | $ | — | | | $ | 51,475 | |
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