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v3.26.1

Segment Information | 3 Months Ended
--- | ---
Mar. 31, 2026
Segment Reporting [Abstract] |
Segment Information | Segment Information The Company has one operating segment. The Company's operating segment discovers and develops therapies for CNS disorders. The Company's chief operating decision maker ("CODM"), its Chief Executive Officer, manages the Company's operations on a consolidated basis for the purposes of assessing performance and allocating resources based on net loss that also is reported on the condensed consolidated statement of operations as consolidated net loss. Net loss is used by the CODM to make key strategic and operational decisions. The measure of segment assets is reported on the condensed consolidated balance sheet as total consolidated assets. The majority of the Company's long-lived assets are held in the United States. The following table presents selected financial information about the Company's single operating segment for the three months ended March 31, 2026 and 2025 (in thousands):
| Three Months Ended March 31,
| 2026 |  | 2025
Program-specific expenses: |  |  |
Ulixacaltamide | $ | 19,103 |  |  | $ | 23,513 |
Vormatrigine | 20,494 |  |  | 13,733 |
Relutrigine | 12,854 |  |  | 5,377 |
Elsunersen | 3,197 |  |  | 761 |
Other early stage assets | 3,242 |  |  | 1,105 |
Personnel-related expenses | 17,730 |  |  | 13,030 |
Stock-based compensation expense | 17,112 |  |  | 8,786 |
Depreciation expense | 39 |  |  | 47 |
Other segment expenses(a) | 12,089 |  |  | 8,376 |
Other income, net | 13,299 |  |  | 5,432 |
Consolidated net loss | $ | (92,561) |  |  | $ | (69,296) |
(a) Other segment expenses includes research and development and general and administrative costs not attributable to a specific program.

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