| Schedule of Long-Term Debt Instruments |
The following table summarizes the outstanding debt obligations as of June 30, 2026 and December 31, 2025 and related maturity dates, contractual interest rates and carrying amounts:
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | | December 31, 2025 | | Instrument / Description | Contractual Interest Rate | Principal amount | Unamortized debt issuance costs and discounts | Unamortized debt premium | Carrying amount | | | Principal amount | Unamortized debt issuance costs and discounts | Unamortized debt premium | Carrying amount | | 2026 Notes, due March 15, 2026 | 1.125% | $ | — | | $ | — | | $ | — | | $ | — | | | | $ | 33,740 | | $ | (49) | | $ | — | | $ | 33,691 | | 2027 Notes, due March 15, 2027 (1) | 6.250% | 46,210 | | (278) | | — | | 45,932 | | | | 46,210 | | (466) | | — | | 45,744 | | | 2030 Notes, due June 30, 2030 | 4.875% | 244,071 | | (1,837) | | 19,154 | | 261,388 | | | | 244,071 | | (2,066) | | 21,406 | | 263,411 | | | Total convertible senior notes | | $ | 290,281 | | $ | (2,115) | | $ | 19,154 | | $ | 307,320 | | | | $ | 324,021 | | $ | (2,581) | | $ | 21,406 | | $ | 342,846 | | | Less: Current portion of convertible senior notes, net | | | | | (45,932) | | | | | | | (33,691) | | | Convertible senior notes, net | | | | | $ | 261,388 | | | | | | | $ | 309,155 | |
(1) The original principal of the 2027 Notes at issuance was recorded at fair value of $196.2 million, which is equal to the exchanged principal of $176.3 million of the 2026 Notes and cash consideration received of $19.9 million. After the exchange on July 2, 2025, the remaining fair value of the principal recorded at issuance of the 2027 Notes was $46.2 million.
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| Schedule of Interest Costs on Notes |
During the three and six months ended June 30, 2026, we recognized interest costs on the 2030 Notes as follows (in thousands):
| | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | Contractual interest | | $ | 2,974 | | | $ | 5,949 | | Amortization of debt premium and debt issuance costs, net | | (1,015) | | | (2,023) | | | Total | | $ | 1,959 | | | $ | 3,926 | |
For the three and six months ended June 30, 2026 and 2025, we recognized interest costs on the 2027 Notes as follows (in thousands):
| | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | Contractual interest | $ | 739 | | | $ | 3,082 | | | $ | 1,477 | | | $ | 6,164 | | Amortization of debt discount | 95 | | | 379 | | | 188 | | | 751 | | | Total | $ | 834 | | | $ | 3,461 | | | $ | 1,665 | | | $ | 6,915 | |
During the three and six months ended June 30, 2026 and 2025, we recognized interest costs on the 2026 Notes as follows (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2026 | | 2025 | | 2026 | | 2025 | | Contractual interest | $ | — | | | $ | 151 | | | $ | 79 | | | $ | 302 | | | Amortization of debt discount | — | | | 94 | | | 49 | | | 187 | | | Total | $ | — | | | $ | 245 | | | $ | 128 | | | $ | 489 | |
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