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v3.25.2

Segment Reporting - Segment Profit And Loss (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Segment Reporting |  |  |  |  |  |
Research and development | $ 25,945 |  | $ 20,709 |  | $ 53,731 | $ 36,435
General and administrative | 9,875 |  | 8,094 |  | 19,084 | 16,518
Stock-based compensation expense | 4,351 |  | 3,451 |  | 8,190 | 6,205
Other income, net | 2,768 |  | 4,631 |  | 6,054 | 8,853
Net loss | (33,052) | $ (33,709) | (24,172) | $ (19,928) | (66,761) | (44,100)
Single reportable segment |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
Stock-based compensation expense | 4,351 |  | 3,451 |  | 8,190 | 6,205
Consulting and professional services expenses | 4,274 |  | 4,459 |  | 8,278 | 7,828
Other segment expenses | 2,025 |  | 1,308 |  | 3,767 | 2,728
Other income, net | (2,768) |  | (4,631) |  | (6,054) | (8,853)
Net loss | 33,052 |  | 24,172 |  | 66,761 | 44,100
Single reportable segment | Navenibart |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
Research and development | 11,082 |  | 7,935 |  | 22,911 | 15,071
Single reportable segment | STAR-0310 |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
Research and development | 5,738 |  | 5,710 |  | 13,174 | 8,685
Single reportable segment | Employee expenses |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
Research and development | 4,647 |  | 3,195 |  | 9,297 | 6,632
General and administrative | 3,330 |  | 2,736 |  | 6,854 | 5,598
Single reportable segment | Program support |  |  |  |  |  |
Segment Reporting |  |  |  |  |  |
General and administrative | $ 373 |  | $ 9 |  | $ 344 | $ 206

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