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Segment Information (Tables)
 9 Months Ended
Sep. 30, 2025
Segment Reporting [Abstract]  
Schedule of Research and Development Expenses The approximate disaggregated amounts that comprise R&D expenses regularly reviewed by the CODM are as follows:

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

(in thousands)

 

2025

 

 

2024

 

 

2025

 

 

2024

 

Program third-party research and development expenses

 

$

15,453

 

 

$

7,739

 

 

$

32,820

 

 

$

17,542

 

Other research and development expenses(1)

 

 

32,572

 

 

 

16,409

 

 

 

97,008

 

 

 

115,231

 

Total research and development expenses

 

$

48,025

 

 

$

24,148

 

 

$

129,828

 

 

$

132,773

 

 

 

 

 

 

 

 

 

 

 

 

 

 
(1)
Other R&D expenses consist of all other R&D costs incurred for the benefit of multiple R&D programs, including legal, employee costs, depreciation, information technology, other facility-bases expenses and other third-party costs.