Consolidated Balance Sheets - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents		$ 56,805	$ 70,169
Short-term investments		248,475	77,309
Restricted cash		105	85
Prepaid expenses and other current assets		4,417	3,309
Total current assets		309,802	150,872
Property and equipment, net		3,529	1,916
Operating lease right of use asset, net		1,442	2,084
Other assets		160	551
Total assets		314,933	155,423
Current liabilities
Accounts payable	[1]	1,954	2,502
Accrued expenses and other current liabilities	[1]	6,076	5,631
Operating lease liability		737	670
Total current liabilities		8,767	8,803
Series B preferred stock tranche right liability			4,200
Operating lease liability, net of current portion		739	1,476
Total liabilities		9,506	14,479
Commitments and Contingencies
Convertible preferred stock			166,578
Stockholders' equity (deficit)
Common stock, $0.001 par value; 500,000,000 shares and 250,000,000 shares authorized at December 31, 2024 and 2023, respectively; 36,580,202 shares and 4,170,817 shares issued and outstanding as of December 31, 2024 and 2023, respectively		37	4
Additional paid-in capital		429,657	19,796
Accumulated other comprehensive income (loss)		(522)	4
Accumulated deficit		(123,745)	(45,438)
Total stockholders' equity (deficit)		305,427	(25,634)
Total liabilities, convertible preferred stock, and stockholders' equity (deficit)		$ 314,933	155,423
Series A Convertible Preferred Stock
Current liabilities
Convertible preferred stock			89,487
Series B Convertible Preferred Stock
Current liabilities
Series B preferred stock tranche right liability			4,200
Convertible preferred stock			$ 77,091

[1] Includes related party amounts of zero and $0.2 million (accounts payable) and zero (accrued expenses) as of both December 31, 2024 and 2023, respectively (see Notes 5 and 10).