v3.25.3
Segment Reporting - Schedule of Segment Reporting Presents Reportable Segment Profit and Loss (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Revenue $ 2,764 $ 3,741 $ 36,341 $ 39,678
Less:        
Research and development expenses 74,094 60,410 232,737 168,431
Other external research and development expense [1] 21,950 22,699 71,634 58,377
Research and development compensation and related personnel expense [2] 22,323 18,549 66,330 56,266
Research and development overhead and administrative costs 12,468 10,084 34,622 29,084
General and administrative [3] 17,336 15,455 51,252 47,202
Interest and other expense [4] 3,953 60 4,135 5,115
Plus:        
Interest income 10,444 9,697 27,413 27,964
Segment net loss (82,175) (62,487) (224,370) (153,106)
STAT6 [Member]        
Less:        
Research and development expenses $ 17,353 $ 9,078 $ 60,151 $ 24,704
[1] Certain prior period amounts have been recast to conform with current period presentation.
[2] Research and development compensation and related personnel expense for the three months ended September 30, 2025 and 2024 is inclusive of $8.4 and $7.6 million of stock-based compensation expense, respectively. Research and development compensation and related personnel expense for the nine months ended September 30, 2025 and 2024 is inclusive of $23.9 and $20.9 million of stock-based compensation expense, respectively.
[3] General and administrative expense for the three months ended September 30, 2025 and 2024 is inclusive of $7.4 million and $7.3 million of stock-based compensation expense, respectively. General and administrative expense for the nine months ended September 30, 2025 and 2024 is inclusive of $21.5 million and $20.3 million of stock-based compensation expense, respectively.
[4] Other expense for the three and nine months ended September 30, 2025 is inclusive of a $3.9 million impairment of long-lived assets. Other expense for the nine months ended September 30, 2024 is inclusive of a $4.9 million impairment of long-lived assets