| Schedule of Investment in Marketable Securities |
Investments in marketable available-for-sale securities consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2026 | | Amortized Cost | | Gross Unrealized Gain | | Gross Unrealized Loss | | Estimated
Fair Value | | Cash equivalents: | | | | | | | | Money market funds | $ | 40,221 | | $ | — | | | $ | — | | | $ | 40,221 | | Commercial paper | 25,959 | | — | | | (4) | | | 25,955 | | U.S. treasury securities | 14,946 | | — | | | (2) | | | 14,944 | Total cash equivalents | 81,126 | | — | | | (6) | | | 81,120 | | Short-term marketable securities: | | | | | | | | | U.S. government agency bonds | 34,983 | | — | | | (97) | | | 34,886 | | U.S. treasury securities | 84,892 | | — | | | (76) | | | 84,816 | | Commercial paper | 94,399 | | 3 | | | (138) | | | 94,264 | | Corporate bonds | 35,703 | | — | | | (76) | | | 35,627 | Total short-term marketable securities | 249,977 | | 3 | | | (387) | | | 249,593 | | Total assets measured at fair value | $ | 331,103 | | $ | 3 | | | $ | (393) | | | $ | 330,713 |
| | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Amortized Cost | | Gross Unrealized Gain | | Gross Unrealized Loss | | Estimated
Fair Value | | Cash equivalents: | | | | | | | | Money market funds | $ | 40,320 | | $ | — | | | $ | — | | | $ | 40,320 | | U.S. treasury securities | 29,631 | | | 7 | | | — | | | 29,638 | | Total cash equivalents | 69,951 | | | 7 | | | — | | | 69,958 | | | Short-term marketable securities: | | | | | | | | | U.S. treasury securities | 138,029 | | | 77 | | | — | | | 138,106 | | Total short-term marketable securities | 138,029 | | | 77 | | | — | | | 138,106 | | | Total assets measured at fair value | $ | 207,980 | | $ | 84 | | | $ | — | | | $ | 208,064 |
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