Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 380,451	$ 834,657
Short-term investments	441,587	96,719
Prepaid expenses and other current assets	18,636	11,179
Total current assets	840,674	942,555
Property and equipment, net	15,205	10,360
Operating lease right-of-use assets	19,658	21,288
Long-term investments	127,815	26,549
Restricted cash	871	871
Other assets	3,940	4,555
Total noncurrent assets	167,489	63,623
Total assets	1,008,163	1,006,178
Current liabilities:
Accounts payable	11,615	9,795
Accrued compensation	1,879	1,180
Accrued manufacturing expenses	14,955	8,265
Accrued expenses	18,351	15,375
Operating lease liabilities — current	5,947	5,910
Total current liabilities	52,747	40,525
Operating lease liabilities — long-term	10,638	12,031
Other liabilities	7	9
Total liabilities	63,392	52,565
Commitments and contingencies (Note 6)
Stockholders' Equity
Preferred stock, $0.001 par value - 10,000,000 shares authorized at March 31, 2023 and December 31, 2022; no shares issued and outstanding at March 31, 2023 and December 31, 2022	0	0
Common stock, $0.001 par value - 500,000,000 shares authorized at March 31, 2023 and December 31, 2022; 80,640,851 and 79,470,670 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	84	82
Additional paid-in capital	1,527,228	1,476,018
Accumulated other comprehensive gain (loss)	47	(361)
Accumulated deficit	(582,588)	(522,126)
Total stockholders' equity	944,771	953,613
Total liabilities and stockholders' equity	$ 1,008,163	$ 1,006,178