Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Condensed Consolidated Statements of Operations and Comprehensive Loss
Collaboration revenue	$ 0	$ 2,910	$ 6,941	$ 6,303
Operating expenses:
In-process research and development	0	6,706	0	124,972
Research and development	49,193	37,200	126,516	81,652
General and administrative	10,945	9,526	31,677	22,509
Total operating expenses	60,138	53,432	158,193	229,133
Loss from operations	(60,138)	(50,522)	(151,252)	(222,830)
Interest income	2,681	3,422	8,758	10,116
Net loss	$ (57,457)	$ (47,100)	$ (142,494)	$ (212,714)
Per share information:
Net loss per share, basic	$ (0.65)	$ (0.78)	$ (1.68)	$ (3.72)
Net loss per share, diluted	$ (0.65)	$ (0.78)	$ (1.68)	$ (3.72)
Weighted-average shares outstanding, basic	87,957,868	60,205,327	84,824,298	57,239,668
Weighted-average shares outstanding, diluted	87,957,868	60,205,327	84,824,298	57,239,668
Comprehensive loss:
Net loss	$ (57,457)	$ (47,100)	$ (142,494)	$ (212,714)
Unrealized gain (loss) on marketable securities	24	68	(57)	48
Comprehensive loss	$ (57,433)	$ (47,032)	$ (142,551)	$ (212,666)