v3.26.1
Segment Information (Tables)
6 Months Ended
Jun. 30, 2026
Segment Reporting [Abstract]  
Schedule Of Disaggregated Amounts That Comprise Research and Development Expenses the following table provides disaggregated amounts that comprise research and development expenses (in thousands):

 

 

 

Three Months Ended June 30,

 

 

Six Months Ended June 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Direct research and development expenses for 4D-150

 

$

43,557

 

 

$

19,134

 

 

$

86,280

 

 

$

31,907

 

Unallocated personnel costs (including
stock-based compensation)

 

 

15,996

 

 

 

17,871

 

 

 

30,526

 

 

 

35,099

 

All other costs

 

 

8,729

 

 

 

10,946

 

 

 

16,456

 

 

 

21,644

 

Total research and development expenses

 

$

68,282

 

 

$

47,951

 

 

$

133,262

 

 

$

88,650