v3.25.4
Segment Reporting (Tables)
12 Months Ended
Dec. 31, 2025
Segment Reporting  
Summary of operating segment expenses

Year Ended December 31, 

2025

2024

Operating expenses:

Employee related expense(1)

$

119,262

$

68,790

External R&D expense - Apitegromab(3)

89,802

78,290

External R&D expense - SRK-181

2,408

9,957

External R&D expense - SRK-439(3)

8,969

11,638

External R&D expense - Early research and other(3)

6,677

3,047

External expense - G&A

56,083

22,384

Other segment items(2)

24,187

19,383

Equity-based compensation expense

75,600

36,628

Depreciation and amortization expense

1,657

1,937

Other non-operating expense/(income), net(3)

(6,706)

(5,760)

Net loss

$

377,939

$

246,294

(1) Excludes equity-based compensation expense.

(2) Consists of other segment expenses related to supplies, corporate and facilities expenses.

(3) Certain prior period amounts have been recast to conform with current period presentation.