Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Condensed Consolidated Statements of Operations and Comprehensive Loss
Collaboration revenue	$ 2,926	$ 1,029
Operating expenses:
In-process research and development		111,954
Research and development	36,872	15,369
General and administrative	10,690	6,005
Total operating expenses	47,562	133,328
Loss from operations	(44,636)	(132,299)
Interest income	2,996	2,807
Net loss	$ (41,640)	$ (129,492)
Per share information:
Net loss per share, basic	$ (0.52)	$ (2.51)
Net loss per share, diluted	$ (0.52)	$ (2.51)
Weighted-average shares outstanding, basic	79,410,354	51,544,383
Weighted-average shares outstanding, diluted	79,410,354	51,544,383
Comprehensive loss:
Net loss	$ (41,640)	$ (129,492)
Unrealized loss on marketable securities	(60)	(18)
Comprehensive loss	$ (41,700)	$ (129,510)