Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 87,090	$ 172,467
Restricted cash	822	822
Marketable securities, current	190,344	124,696
Prepaid expenses and other current assets	3,609	3,301
Total current assets	281,865	301,286
Property and equipment, net	8,721	3,090
Marketable securities, noncurrent	0	16,911
Right-of-use assets	9,670	10,060
Other assets	308	221
Total assets	300,564	331,568
Current liabilities:
Accounts payable	3,348	3,189
Accrued expenses	7,652	8,627
Operating lease liabilities, current	383	403
Total current liabilities	11,383	12,219
Operating lease liabilities, noncurrent	12,211	10,790
Total liabilities	23,594	23,009
Stockholders’ equity:
Preferred stock, $0.00001 par value, 5,000,000 shares authorized at June 30, 2022 and December 31, 2021.No shares issued or outstanding at June 30, 2022 and December 31, 2021.
Common stock, $0.00001 par value, 1,000,000,000 shares authorized; 45,622,610 and 45,433,684 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively.
Additional paid-in capital	481,462	476,363
Accumulated deficit	(203,469)	(167,726)
Accumulated other comprehensive loss	(1,023)	(78)
Total stockholders’ equity	276,970	308,559
Total liabilities and stockholders’ equity	$ 300,564	$ 331,568