CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 532,220	$ 542,224
Marketable securities	0	49,194
Prepaid expenses and other current assets	22,081	25,293
Total current assets	554,301	616,711
Property and equipment, net	87	83
Operating lease right-of-use asset	1,648	0
Other non-current assets	237	3,297
Total assets	556,273	620,091
Current liabilities:
Accounts payable	18,682	5,783
Accrued expenses	76,537	56,277
Operating lease liability, current	315	0
Total current liabilities	95,534	62,060
Early-exercise liability	3	6
Operating lease liability, non-current	1,344	0
Other non-current liability	0	6
Total liabilities	96,881	62,072
Commitments and contingencies (Note 8)
Preferred stock:
Preferred stock (undesignated), $0.0001 par value; 10,000,000 shares authorized and no shares issued and outstanding at March 31, 2022 and December 31 2021	0	0
Common stock, $0.0001 par value; 1,000,000,000 shares authorized, 109,675,173 shares issued and outstanding at March 31, 2022; 1,000,000,000 shares authorized, 111,251,660 shares issued and 110,782,909 shares outstanding at December 31, 2021	11	11
Treasury stock, at cost; 0 shares and 468,751 shares at March 31, 2022 and December 31, 2021, respectively	0	0
Additional paid-in capital	852,156	850,125
Accumulated other comprehensive income	0	(8)
Accumulated deficit	(392,775)	(292,109)
Total stockholders' equity (deficit)	459,392	558,019
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 556,273	$ 620,091