Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 72,985	$ 60,181
Marketable securities	131,117	187,039
Prepaid expenses and other current assets	9,439	13,719
Total current assets	213,541	260,939
Restricted cash	1,587	1,585
Marketable securities, non-current	23,896	0
Other investments	19,000	19,000
Property and equipment, net	30,507	34,771
Operating lease right-of-use assets	16,781	18,871
Other non-current assets	5,841	4,886
Total assets	311,153	340,052
Current liabilities:
Accounts payable	3,879	2,893
Accrued liabilities and other current liabilities	35,988	46,519
Total current liabilities	39,867	49,412
Operating lease liabilities, non-current	36,934	41,921
Other non-current liabilities	537	517
Total liabilities	77,338	91,850
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock, $0.0001 par value; 10,000 shares authorized at June 30, 2026 and December 31, 2025; no shares issued and outstanding at June 30, 2026 and December 31, 2025	0	0
Common stock, $0.0001 par value; 500,000 shares authorized at June 30, 2026 and December 31, 2025; 23,397 and 21,251 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively	2	2
Additional paid-in capital	1,922,433	1,867,512
Accumulated other comprehensive (loss) income	(158)	242
Accumulated deficit	(1,688,462)	(1,619,554)
Total stockholders’ equity	233,815	248,202
Total liabilities and stockholders’ equity	$ 311,153	$ 340,052