Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Condensed Consolidated Statements of Operations and Comprehensive Loss
Collaboration revenue	$ 0	$ 0	$ 0	$ 6,941
Operating expenses:
Research and development	69,506	49,193	175,772	126,516
General and administrative	20,856	10,945	52,056	31,677
Total operating expenses	90,362	60,138	227,828	158,193
Loss from operations	(90,362)	(60,138)	(227,828)	(151,252)
Interest income	4,579	2,681	15,079	8,758
Net loss	$ (85,783)	$ (57,457)	$ (212,749)	$ (142,494)
Per share information:
Net loss per share, basic	$ (0.76)	$ (0.65)	$ (1.88)	$ (1.68)
Net loss per share, diluted	$ (0.76)	$ (0.65)	$ (1.88)	$ (1.68)
Weighted-average shares outstanding, basic	113,564,748	87,957,868	113,326,406	84,824,298
Weighted-average shares outstanding, diluted	113,564,748	87,957,868	113,326,406	84,824,298
Comprehensive loss:
Net loss	$ (85,783)	$ (57,457)	$ (212,749)	$ (142,494)
Unrealized (loss) gain on marketable securities	(134)	24	(467)	(57)
Comprehensive loss	$ (85,917)	$ (57,433)	$ (213,216)	$ (142,551)