| Marketable securities |
Note 4. Marketable securities Marketable securities consisted of the following: | | | As of June 30, 2026 | | | | | Amortized cost | | | Gross unrealized gains | | | Gross unrealized losses | | | Fair value | | | | | (Unaudited) | | | Corporate bond | | $ | 91,620 | | | $ | 21 | | | $ | (252 | ) | | $ | 91,389 | | | Agency bond | | | 59,284 | | | | 1 | | | | (323 | ) | | | 58,962 | | | Treasury bills | | | 24,423 | | | | — | | | | (53 | ) | | | 24,370 | | | US Government bond | | | 77,451 | | | | 27 | | | | (301 | ) | | | 77,177 | | | Commercial paper | | | 5,809 | | | | — | | | | — | | | | 5,809 | | | Total | | $ | 258,587 | | | $ | 49 | | | $ | (929 | ) | | $ | 257,707 | | | | | As of December 31, 2025 | | | | | Amortized cost | | | Gross unrealized gains | | | Gross unrealized losses | | | Fair value | | | Corporate bond | | $ | 87,587 | | | $ | 250 | | | $ | (16 | ) | | $ | 87,821 | | | Agency bond | | | 47,390 | | | | 25 | | | | (36 | ) | | | 47,379 | | | Treasury bills | | | 28,392 | | | | 19 | | | | (2 | ) | | | 28,409 | | | US Government bond | | | 80,890 | | | | 196 | | | | (2 | ) | | | 81,084 | | | Commercial paper | | | 4,810 | | | | — | | | | — | | | | 4,810 | | | Total | | $ | 249,069 | | | $ | 490 | | | $ | (56 | ) | | $ | 249,503 | | As of June 30, 2026 and December 31, 2025, no continuous unrealized losses for twelve months or greater were identified. The following table summarizes the Company’s marketable securities by contractual maturities: | | | June 30,
2026 | | | December 31,
2025 | | | | | (Unaudited) | | | | | | Due in 1 year or less | | $ | 154,522 | | | $ | 151,544 | | | Due in 1 year through 2 years | | | 103,185 | | | | 97,959 | | | Total | | $ | 257,707 | | | $ | 249,503 | |
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