| Schedule of Fair Value, Assets Measured on Recurring Basis |
The following tables summarize the Company’s available-for- sale marketable securities’ amortized cost, gross unrealized gains, gross unrealized losses, and fair value by significant investment category reported as cash equivalents or marketable securities as of June 30, 2026 and December 31, 2025: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) June 30, 2026 | | Amortized Cost | | Unrealized Gain | | Unrealized Loss | | Fair Value | | Cash Equivalents | | Marketable Securities | | | | | | | | | | | | | | | Level I | | | | | | | | | | | | | | Money market funds | | $ | 198,568 | | | $ | — | | | $ | — | | | $ | 198,568 | | | $ | 198,568 | | | $ | — | | | Treasury bills | | 127,854 | | | — | | | (8) | | | 127,846 | | | 92,933 | | | 34,913 | | | U.S. government securities | | 25,899 | | | 16 | | | (54) | | | 25,861 | | | — | | | 25,861 | | | Total Level I | | 352,321 | | | 16 | | | (62) | | | 352,275 | | | 291,501 | | | 60,774 | | | Level II | | | | | | | | | | | | | | | | | | | | | | | | | | | Corporate bonds | | 76,393 | | | 119 | | | (86) | | | 76,426 | | | — | | | 76,426 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Foreign government and agency securities | | 999 | | | 5 | | | — | | | 1,004 | | | — | | | 1,004 | | | U.S. agency securities | | — | | | — | | | — | | | — | | | — | | | — | | | Total Level II | | 77,392 | | | 124 | | | (86) | | | 77,430 | | | — | | | 77,430 | | | Total | | $ | 429,713 | | | $ | 140 | | | $ | (148) | | | $ | 429,705 | | | $ | 291,501 | | | $ | 138,204 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) December 31, 2025 | | Amortized Cost | | Unrealized Gain | | Unrealized Loss | | Fair Value | | Cash Equivalents | | Marketable Securities | | | | | | | | | | | | | | | Level I | | | | | | | | | | | | | | Money market funds | | $ | 73,519 | | | $ | — | | | $ | — | | | $ | 73,519 | | | $ | 73,519 | | | $ | — | | | Treasury bills | | 257,425 | | | 88 | | | — | | | 257,513 | | | 39,697 | | | 217,816 | | | U.S. government securities | | 37,642 | | | 122 | | | — | | | 37,764 | | | — | | | 37,764 | | | Total Level I | | 368,586 | | | 210 | | | — | | | 368,796 | | | 113,216 | | | 255,580 | | | Level II | | | | | | | | | | | | | | | | | | | | | | | | | | | Corporate bonds | | 117,532 | | | 561 | | | (1) | | | 118,092 | | | — | | | 118,092 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Foreign government and agency securities | | 4,738 | | | 15 | | | — | | | 4,753 | | | — | | | 4,753 | | | | | | | | | | | | | | | | Total Level II | | 122,270 | | | 576 | | | (1) | | | 122,845 | | | — | | | 122,845 | | | Total | | $ | 490,856 | | | $ | 786 | | | $ | (1) | | | $ | 491,641 | | | $ | 113,216 | | | $ | 378,425 | |
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