| Marketable Securities |
Marketable Securities The following tables summarize the amortized cost and estimated fair value of the Company’s current and noncurrent marketable securities (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | Amortized Cost | | Unrealized Gains | | Unrealized Losses | | Fair Value | Marketable securities, current: | | | | | | | | U.S. Treasury securities | $ | 96,171 | | | $ | 11 | | | $ | (74) | | | $ | 96,108 | | Commercial paper | 26,699 | | | — | | | (17) | | | 26,682 | | Corporate debt | 19,565 | | | — | | | (23) | | | 19,542 | | Government agency securities | 5,385 | | | — | | | (8) | | | 5,377 | | Total marketable securities, current | 147,820 | | | 11 | | | (122) | | | 147,709 | | Marketable securities, noncurrent: | | | | | | | | U.S. Treasury securities | 41,895 | | | — | | | (258) | | | 41,637 | | Government agency securities | 14,680 | | | — | | | (78) | | | 14,602 | | Corporate debt | 984 | | | — | | | (1) | | | 983 | | Total marketable securities, noncurrent | 57,559 | | | — | | | (337) | | | 57,222 | | Total marketable securities | $ | 205,379 | | | $ | 11 | | | $ | (459) | | | $ | 204,931 | |
| | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Amortized Cost | | Unrealized Gain | | Unrealized Loss | | Fair Value | Marketable securities, current: | | | | | | | | | U.S. Treasury securities | $ | 135,801 | | | $ | 263 | | | $ | — | | | $ | 136,064 | | | Commercial paper | 24,391 | | | 10 | | | (5) | | | 24,396 | | | Corporate debt | 11,813 | | | 3 | | | (1) | | | 11,815 | | | Government agency securities | 5,145 | | | 11 | | | — | | | 5,156 | | Total marketable securities, current | 177,150 | | | 287 | | | (6) | | | 177,431 | | Marketable securities, noncurrent: | | | | | | | | | U.S. Treasury securities | 55,793 | | | 208 | | | — | | | 56,001 | | | Government agency securities | 18,368 | | | 51 | | | — | | | 18,419 | | Total marketable securities, noncurrent | 74,161 | | | 259 | | | — | | | 74,420 | | Total marketable securities | $ | 251,311 | | | $ | 546 | | | $ | (6) | | | $ | 251,851 | |
The Company has determined that there were no material changes in the credit risk, therefore the Company has not recognized any allowance for credit losses on its debt securities. As of June 30, 2026, the Company holds marketable securities with an aggregate fair value of $57.2 million that had remaining maturities between one and two years. All other securities had a contractual maturity of less than a year. There were no realized gains or losses during the three and six months ended June 30, 2026, or 2025.
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