Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 189,247	$ 196,812
Marketable securities, current	152,670
Prepaid expenses and other current assets	7,800	4,859
Total current assets	349,717	201,671
Property and equipment, net	5,044	6,668
Restricted cash	1,088	1,088
Marketable securities, non-current	18,114
Operating lease right-of-use asset	20,116	23,250
Other assets	3,048	7,865
Total assets	397,127	240,542
Current liabilities:
Accounts payable	1,794	1,939
Accrued expenses and other current liabilities	15,967	14,102
Operating lease liabilities, current	4,795	4,632
Total current liabilities	22,556	20,673
Operating lease liabilities, net of current portion	18,511	21,996
Other liabilities, non-current	1,094	969
Total liabilities	42,161	43,638
Commitments and contingencies (Note 8)
Redeemable convertible preferred stock, $0.001 par value; no shares authorized, issued and outstanding as of December 31, 2025; 298,205,027 shares authorized and 297,205,041 shares issued and outstanding as of December 31, 2024; aggregate liquidation preference of $502,390 as of December 31, 2024	0	508,087
Stockholders' equity (deficit):
Preferred stock, $0.001 par value; 10,000,000 and no shares authorized as of December 31, 2025 and 2024, respectively; no shares issued and outstanding as of December 31, 2025 and 2024	0	0
Common stock, $0.001 par value; 500,000,000 and 410,000,000 shares authorized as of December 31, 2025 and 2024, respectively; 49,335,551 and 2,446,864 shares issued and outstanding as of December 31, 2025 and 2024, respectively; 10,372 shares subject to repurchase as of December 31, 2025 and 2024	49	2
Additional paid-in-capital	844,354	47,242
Accumulated other comprehensive income	110
Accumulated deficit	(489,547)	(358,427)
Total stockholders' equity (deficit)	354,966	(311,183)
Total liabilities, redeemable convertible preferred stock and stockholders' equity (deficit)	$ 397,127	240,542
Redeemable Convertible Preferred Stock
Current liabilities:
Redeemable convertible preferred stock, $0.001 par value; no shares authorized, issued and outstanding as of December 31, 2025; 298,205,027 shares authorized and 297,205,041 shares issued and outstanding as of December 31, 2024; aggregate liquidation preference of $502,390 as of December 31, 2024		$ 508,087

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

+ References

No definition available.