| Summary of Assets and Liabilities That Are Measured at Fair Value on Recurring Basis |
The following tables present information about the Company’s financial assets and liabilities measured at fair value on a recurring basis (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | As of June 30, 2026 | | Total | | Level 1 | | Level 2 | | Level 3 | | Assets: | | | | | | | | | Cash and cash equivalents: | | | | | | | | | Money market funds | $ | 86,511 | | | $ | 86,511 | | | $ | — | | | $ | — | | | U.S. Treasury securities | 15,998 | | | 15,998 | | | — | | | — | | | Corporate bonds | 3,315 | | | — | | | 3,315 | | | — | | | Marketable securities: | | | | | | | | | Commercial paper | 916 | | | — | | | 916 | | | — | | | U.S. Treasury securities | 126,210 | | | 126,210 | | | — | | | — | | | Corporate bonds | 70,784 | | | — | | | 70,784 | | | — | | | Marketable equity securities | 19,718 | | | 19,718 | | | — | | | — | | | Investments: | | | | | | | | Synlogic, Inc. warrants (1) | 119 | | | — | | | 119 | | | — | | | Marketable equity securities | 1,343 | | | 1,343 | | | — | | | — | | | Total assets | $ | 324,914 | | | $ | 249,780 | | | $ | 75,134 | | | $ | — | | | Liabilities: | | | | | | | | | Accrued expenses and other current liabilities: | | | | | | | | | Contingent consideration | $ | 5,438 | | | $ | — | | | $ | — | | | $ | 5,438 | | | Other non-current liabilities: | | | | | | | | | Contingent consideration | 252 | | | — | | | — | | | 252 | | | Total liabilities | $ | 5,690 | | | $ | — | | | $ | — | | | $ | 5,690 | |
| | | | | | | | | | | | | | | | | | | | | | | | | As of December 31, 2025 | | Total | | Level 1 | | Level 2 | | Level 3 | | Assets: | | | | | | | | | Cash and cash equivalents: | | | | | | | | | Money market funds | $ | 146,136 | | | $ | 146,136 | | | $ | — | | | $ | — | | | Marketable securities: | | | | | | | | | Commercial paper | 4,060 | | | — | | | 4,060 | | | — | | | U.S. Treasury securities | 118,038 | | | 118,038 | | | — | | | — | | | Corporate bonds | 114,666 | | | — | | | 114,666 | | | — | | | Marketable equity securities | 18,654 | | | 18,654 | | | — | | | — | | | Investments: | | | | | | | | Synlogic, Inc. warrants (1) | 190 | | | — | | | 190 | | | — | | | Marketable equity securities | 1,562 | | | 1,562 | | | — | | | — | | | Other non-current assets: | | | | | | | | | Notes receivable | 7,126 | | | — | | | — | | | 7,126 | | | Total assets | $ | 410,432 | | | $ | 284,390 | | | $ | 118,916 | | | $ | 7,126 | | | Liabilities: | | | | | | | | | Accrued expenses and other current liabilities: | | | | | | | | | Contingent consideration | $ | 5,438 | | | $ | — | | | $ | — | | | $ | 5,438 | | | Other non-current liabilities: | | | | | | | | | Contingent consideration | 252 | | | — | | | — | | | 252 | | | Total liabilities | $ | 5,690 | | | $ | — | | | $ | — | | | $ | 5,690 | |
(1)The fair value of Synlogic, Inc. warrants is calculated as the quoted price of the underlying common stock, less the unpaid exercise price of the warrants.
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| Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation |
The table below provides a reconciliation of the beginning and ending balances for assets and liabilities measured at fair value using Level 3 significant unobservable inputs for the six months ended June 30 (in thousands): | | | | | | | | | | | | | Notes Receivable | | Contingent Consideration | | Balance at January 1, 2026 | $ | 7,126 | | | $ | 5,690 | | | Change in fair value | (7,126) | | | — | | | Balance at June 30, 2026 | $ | — | | | $ | 5,690 | | | | | | | Balance at January 1, 2025 | 1,843 | | | 9,922 | | | Additions | 173 | | | — | | | Change in fair value | 50 | | | (4,232) | | | Settlements and payments | (50) | | | — | | | Conversion to preferred stock | (1,463) | | | — | | | Transfers into Level 3 | 6,987 | | | — | | | | | | | Balance at June 30, 2025 | $ | 7,540 | | | $ | 5,690 | |
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation |
The table below provides a reconciliation of the beginning and ending balances for assets and liabilities measured at fair value using Level 3 significant unobservable inputs for the six months ended June 30 (in thousands): | | | | | | | | | | | | | Notes Receivable | | Contingent Consideration | | Balance at January 1, 2026 | $ | 7,126 | | | $ | 5,690 | | | Change in fair value | (7,126) | | | — | | | Balance at June 30, 2026 | $ | — | | | $ | 5,690 | | | | | | | Balance at January 1, 2025 | 1,843 | | | 9,922 | | | Additions | 173 | | | — | | | Change in fair value | 50 | | | (4,232) | | | Settlements and payments | (50) | | | — | | | Conversion to preferred stock | (1,463) | | | — | | | Transfers into Level 3 | 6,987 | | | — | | | | | | | Balance at June 30, 2025 | $ | 7,540 | | | $ | 5,690 | |
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