Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets
Cash and cash equivalents	$ 145,068	$ 230,524
Marketable securities	759,636	740,283
Prepaid expenses and other current assets	11,178	10,835
Total current assets	915,882	981,642
Property and equipment, net	240,213	251,449
Right-of-use assets - operating lease	33,207	34,078
Right-of-use assets - finance lease	23,919	19,394
Other assets	15,870	21,593
Total assets	1,229,091	1,308,156
Current liabilities
Accounts payable	7,361	11,819
Accrued liabilities	15,417	14,521
Accrued compensation and benefits	12,463	26,969
Operating lease liability, short-term	4,852	4,653
Finance lease liability, short-term	3,675	3,584
Total current liabilities	43,768	61,546
Operating lease liability, long-term	33,337	34,481
Finance lease liability, long-term	27,320	28,282
Other liabilities	15,000	14,874
Total liabilities	119,425	139,183
Commitment and contingencies (see Note 7)
Stockholders’ equity
Preferred stock- $0.0001 par value; 100,000 shares authorized, none issued and outstanding as of March 31, 2026 and December 31, 2025
Common stock - $0.0001 par value; 1,250,000 shares authorized (1,000,000 Class A and 250,000 Class B); 578,145 Class A and 36,968 Class B shares issued and outstanding as of March 31, 2026, 570,128 Class A and 37,502 Class B shares issued and outstanding as of December 31, 2025	61	61
Additional paid-in-capital	5,004,352	4,961,832
Accumulated other comprehensive income	(384)	644
Accumulated deficit	(3,894,363)	(3,793,564)
Total stockholders’ equity	1,109,666	1,168,973
Total liabilities and stockholders' equity	$ 1,229,091	$ 1,308,156

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).

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).