| Schedule of Marketable Securities |
Marketable securities at June 30, 2026 consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | Amortized Cost | | Unrealized Gains | | Unrealized Losses | | Fair Value | | Current: | | | | | | | | | | | | | | | | | U.S. Treasuries | $ | 96,509 | | | $ | 102 | | | $ | (8) | | | $ | 96,603 | | | Government securities | 88,570 | | | 4 | | | (61) | | | 88,513 | | | Corporate debt securities | 332,977 | | | 100 | | | (264) | | | 332,813 | | | Total current | 518,056 | | | 206 | | | (333) | | | 517,929 | | | | | | | | | | | Non-current: | | | | | | | | | | | | | | | | | U.S. Treasuries | 155,754 | | | 15 | | | (951) | | | 154,818 | | | Government securities | 57,467 | | | 17 | | | (220) | | | 57,264 | | | Corporate debt securities | 135,701 | | | 2 | | | (531) | | | 135,172 | | | Total non-current | 348,922 | | | 34 | | | (1,702) | | | 347,254 | | | Total marketable securities | $ | 866,978 | | | $ | 240 | | | $ | (2,035) | | | $ | 865,183 | |
Marketable securities at December 31, 2025 consisted of the following: | | | | | | | | | | | | | | | | | | | | | | | | | (In thousands) | Amortized Cost | | Unrealized Gains | | Unrealized Losses | | Fair Value | | Current: | | | | | | | | | Certificates of deposit | $ | 750 | | | $ | 1 | | | $ | — | | | $ | 751 | | | U.S. Treasuries | 165,365 | | | 463 | | | — | | | 165,828 | | | Government securities | 110,182 | | | 92 | | | (6) | | | 110,268 | | | Corporate debt securities | 487,786 | | | 673 | | | (11) | | | 488,448 | | | Total current | 764,083 | | | 1,229 | | | (17) | | | 765,295 | | | | | | | | | | | Non-current: | | | | | | | | | | | | | | | | | U.S. Treasuries | 129,738 | | | 648 | | | (1) | | | 130,385 | | | Government securities | 54,527 | | | 31 | | | (10) | | | 54,548 | | | Corporate debt securities | 124,767 | | | 346 | | | (33) | | | 125,080 | | | Total non-current | 309,032 | | | 1,025 | | | (44) | | | 310,013 | | | Total marketable securities | $ | 1,073,115 | | | $ | 2,254 | | | $ | (61) | | | $ | 1,075,308 | |
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