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v3.26.1

Segment Information - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2026 | Mar. 31, 2025
Segment Reporting [Line Items] |  |
Stock-based compensation expense | $ 17,112 | $ 8,786
Depreciation expense | 39 | 47
Net loss | (92,561) | (69,296)
Reportable Segment |  |
Segment Reporting [Line Items] |  |
Personnel-related expenses | 17,730 | 13,030
Stock-based compensation expense | 17,112 | 8,786
Depreciation expense | 39 | 47
Other segment expenses | 12,089 | 8,376
Other income, net | 13,299 | 5,432
Net loss | (92,561) | (69,296)
Reportable Segment | Ulixacaltamide |  |
Segment Reporting [Line Items] |  |
Program-specific expenses | 19,103 | 23,513
Reportable Segment | Vormatrigine |  |
Segment Reporting [Line Items] |  |
Program-specific expenses | 20,494 | 13,733
Reportable Segment | Relutrigine |  |
Segment Reporting [Line Items] |  |
Program-specific expenses | 12,854 | 5,377
Reportable Segment | Elsunersen |  |
Segment Reporting [Line Items] |  |
Program-specific expenses | 3,197 | 761
Reportable Segment | Other early stage assets |  |
Segment Reporting [Line Items] |  |
Program-specific expenses | $ 3,242 | $ 1,105

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