Fair Value of Financial Assets and Liabilities |
3. Fair Value of Financial Assets and Liabilities The following tables present information about the fair value measurements of the Company’s financial assets and liabilities which are measured at fair value on a recurring and non-recurring basis, and indicate the level of the fair value hierarchy utilized to determine such fair values: | | | | | | | | | | | | | | | September 30, 2024 | (In thousands) | | Level 1 | | Level 2 | | Level 3 | | Total | Assets: | | | | | | | | | | | | | Cash equivalents | | $ | 45,450 | | $ | — | | $ | — | | $ | 45,450 | Marketable securities | | | — | | | 125,785 | | | — | | | 125,785 | Total assets | | $ | 45,450 | | $ | 125,785 | | $ | — | | $ | 171,235 | | | | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | Contingent consideration | | $ | — | | $ | — | | $ | 10,000 | | $ | 10,000 | Total liabilities | | $ | — | | $ | — | | $ | 10,000 | | $ | 10,000 |
| | | | | | | | | | | | | | | December 31, 2023 | (In thousands) | | Level 1 | | Level 2 | | Level 3 | | Total | Assets: | | | | | | | | | | | | | Cash equivalents | | $ | 32,177 | | $ | — | | $ | — | | $ | 32,177 | Marketable securities | | | — | | | 141,999 | | | — | | | 141,999 | Total assets | | $ | 32,177 | | $ | 141,999 | | $ | — | | $ | 174,176 | | | | | | | | | | | | | | | | | | | | | | | | | | | Liabilities: | | | | | | | | | | | | | Contingent consideration | | $ | — | | $ | — | | $ | 6,200 | | $ | 6,200 | Total liabilities | | $ | — | | $ | — | | $ | 6,200 | | $ | 6,200 |
As of September 30, 2024 and December 31, 2023, the Company’s cash equivalents consisted of money market funds, which were valued based upon Level 1 inputs. The Company’s marketable securities as of September 30, 2024 consisted of corporate debt, asset-backed debt, foreign government agency debt, and U.S. government and government agency debt securities, which were all valued based upon Level 2 inputs. The Company’s marketable securities as of December 31, 2023 consisted of commercial paper and corporate debt, asset-backed debt, foreign government agency debt, and U.S. government and government agency debt securities, which were all valued based upon Level 2 inputs. In determining the fair value of its Level 2 investments, the Company relies on quoted prices for identical securities in markets that are not active. These quoted prices are obtained by the Company with the assistance of a third party pricing service based on available trade, bid and other observable market data for identical securities. During the three and nine months ended September 30, 2024 and 2023, there were no transfers into or out of Level 3. The overall $3.8 million increase in the fair value of the contingent consideration liability during the nine months ended September 30, 2024 was primarily due to changes in estimated sales levels, changes to the probability of success for certain drug candidates, and the passage of time. As of September 30, 2024 and December 31, 2023, the fair value of the Company’s available-for-sale marketable securities by type of security was as follows: | | | | | | | | | | | | | | | September 30, 2024 | | | | | | Gross | | Gross | | | | | | Book | | Unrealized | | Unrealized | | Fair | (In thousands) | | Value | | Gain | | Loss | | Value | Marketable securities: | | | | | | | | | | | | | Corporate debt securities(1) | | $ | 73,258 | | $ | 414 | | $ | (36) | | $ | 73,636 | Asset-backed debt securities | | | 4,981 | | | — | | | (3) | | | 4,978 | Foreign government agency debt securities | | | 4,872 | | | 32 | | | — | | | 4,904 | U.S. government and government agency debt securities(2) | | | 42,246 | | | 63 | | | (42) | | | 42,267 | Total marketable securities | | $ | 125,357 | | $ | 509 | | $ | (81) | | $ | 125,785 | (1) Included in Corporate debt securities is $40.5 million with maturity dates between one and two years. | | | | | | | | | | | | | (2) Included in U.S. government and government agency debt securities is $5.1 million with maturity dates between one and two years. | | | | | | | | | | | | |
| | | | | | | | | | | | | | | December 31, 2023 | | | | | | Gross | | Gross | | | | | | Book | | Unrealized | | Unrealized | | Fair | (In thousands) | | Value | | Gain | | Loss | | Value | Marketable securities: | | | | | | | | | | | | | Corporate debt securities(1) | | $ | 52,362 | | $ | 65 | | $ | (142) | | $ | 52,285 | Commercial paper | | | 12,345 | | | 2 | | | (1) | | | 12,346 | Asset-backed debt securities(2) | | | 10,953 | | | 42 | | | (30) | | | 10,965 | Foreign government agency debt securities(3) | | | 4,698 | | | 43 | | | — | | | 4,741 | U.S. government and government agency debt securities(4) | | | 61,750 | | | 8 | | | (96) | | | 61,662 | Total marketable securities | | $ | 142,108 | | $ | 160 | | $ | (269) | | $ | 141,999 | (1) Included in Corporate debt securities is $28.0 million with maturity dates between one and two years. | | | | | | | | | | | | | (2) Included in Asset-backed debt securities is $6.2 million with maturity dates between one and three years. | | | | | | | | | | | | | (3) Included in Foreign government agency debt securities is $4.7 million with a maturity date between one and two years. | | | | | | | | | | | | | (4) Included in U.S. government and government agency debt securities is $23.9 million with maturity dates between one and two years. | | | | | | | | | | | | |
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