v3.26.1
Segment Information
 3 Months Ended
Mar. 31, 2026
Segment Reporting [Abstract]  
Segment Information Segment Information
The following table presents segment net loss, including significant expense categories (in thousands):
Three Months Ended
March 31,
20262025
Research and development expenses:
External research and development expenses(1)
$12,931 $9,978 
Personnel-related expenses, excluding stock-based compensation3,4792,383
Facility and information technology allocated expenses485440
General and administrative expenses:
Personnel-related expenses, excluding stock-based compensation3,8652,232
General corporate and facility expenses(2)
1,9861,943
Other segment items(3)
4,033(494)
Net loss$26,779 $16,482 
(1)External research and development expenses consist primarily of costs paid to third-parties including contract research organizations, contract development and manufacturing organizations, consultants, advisors and lab-related vendors.
(2)General corporate and facility expenses consists primarily of professional services fees for legal, finance, human resources, medical affairs in addition to information technology expenses and rent expense, net of sublease income.
(3)Other segment items consists primarily of interest income, partially offset by taxes and non-cash expenses, such as stock-based compensation, depreciation, and amortization of discounts and premiums on marketable securities.