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v3.26.1

Segment Information (Tables) | 6 Months Ended
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Jun. 30, 2026
Segment Reporting [Abstract] |
Schedule of Segment Profit or Loss and Significant Segment Expenses | Additional information about segment profit or loss and significant segment expenses is as follows:
|  | Three Months Ended June 30, |  | Six Months Ended June 30, |  |  |  |
|  | 2026 |  | 2025 |  | 2026 |  | 2025 |  |  |  |  |  |
Direct R&D program expense |  |  |  |  |  |  |  |  |  |  |  |  |  |
BHV-4157 (Troriluzole) |  | $ | 7,704 |  |  | $ | 14,245 |  |  | $ | 14,626 |  |  | $ | 28,033 |  |  |  |  |  |  |
BHV-2000 (Taldefgrobep Alfa) |  | 5,730 |  |  | 8,045 |  |  | 15,062 |  |  | 14,229 |  |  |  |  |  |  |
BHV-7000 & BHV-7010 (Kv7) |  | 13,845 |  |  | 31,172 |  |  | 33,578 |  |  | 62,744 |  |  |  |  |  |  |
BHV-2100 & BHV-2110 (TRPM3 Antagonist) |  | (325) |  |  | 6,845 |  |  | (530) |  |  | 23,594 |  |  |  |  |  |  |
BHV-8000 (TYK2/JAK1) |  | 4,142 |  |  | 21,216 |  |  | 9,312 |  |  | 25,589 |  |  |  |  |  |  |
BHV-1300 (IgG Degrader) |  | 9,861 |  |  | 11,732 |  |  | 11,003 |  |  | 20,352 |  |  |  |  |  |  |
BHV-1310 (IgG Degrader) |  | 15 |  |  | 3,612 |  |  | (19) |  |  | 4,686 |  |  |  |  |  |  |
BHV-1400 (IgA Degrader) |  | 11,709 |  |  | 6,737 |  |  | 16,846 |  |  | 11,597 |  |  |  |  |  |  |
BHV-1600 (β1-AR AAB Degrader) |  | (288) |  |  | 1,806 |  |  | (99) |  |  | 4,809 |  |  |  |  |  |  |
BHV-1510 (TROP-2) |  | 2,465 |  |  | 5,384 |  |  | 6,502 |  |  | 9,873 |  |  |  |  |  |  |
BHV-1530 (FGFR3) |  | 2,211 |  |  | 15,393 |  |  | 3,410 |  |  | 18,569 |  |  |  |  |  |  |
Other R&D program expense |  | 14 |  |  | 1,104 |  |  | 63 |  |  | 1,615 |  |  |  |  |  |  |
Preclinical research programs R&D Expense |  | 7,730 |  |  | 16,398 |  |  | 16,279 |  |  | 41,933 |  |  |  |  |  |  |
R&D personnel expense (excluding share-based compensation)(1) |  | 19,421 |  |  | 20,490 |  |  | 40,433 |  |  | 41,627 |  |  |  |  |  |  |
R&D Share-based compensation expense |  | 11,983 |  |  | 13,110 |  |  | 30,458 |  |  | 48,344 |  |  |  |  |  |  |
G&A personnel expense (excluding share-based compensation)(1) |  | 5,765 |  |  | 6,004 |  |  | 11,220 |  |  | 12,478 |  |  |  |  |  |  |
G&A Share-based compensation expense |  | 7,181 |  |  | 7,702 |  |  | 16,992 |  |  | 25,530 |  |  |  |  |  |  |
Other segment items (2) |  | 15,736 |  |  | 20,706 |  |  | 30,191 |  |  | 37,660 |  |  |  |  |  |  |
Non-operating expense (income) |  | 12,021 |  |  | (13,815) |  |  | 11,853 |  |  | (14,308) |  |  |  |  |  |  |
Provision for income taxes |  | 391 |  |  | 261 |  |  | 663 |  |  | 870 |  |  |  |  |  |  |
Segment net loss |  | 137,311 |  |  | 198,147 |  |  | 267,843 |  |  | 419,824 |  |  |  |  |  |  |
Reconciliation of profit or loss |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustments and reconciling items |  | — |  |  | — |  |  | — |  |  | — |  |  |  |  |  |  |
Consolidated net loss |  | $ | 137,311 |  |  | $ | 198,147 |  |  | $ | 267,843 |  |  | $ | 419,824 |  |  |  |  |  |  |
(1) Personnel expense includes employee payroll, bonus, and employee benefits for medical care, retirement, insurances and other. (2) Other segment items included in Segment net loss include unallocated non-program R&D expense, legal, accounting and other professional service fees, rent and utilities expense, depreciation, and other corporate expenses.

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