Condensed Balance Sheets - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 75,171,000	$ 376,976,000
Investments in marketable securities, current	247,121,000	0
Prepaid expenses and other current assets	4,352,000	4,760,000
Total current assets	326,644,000	381,736,000
Restricted cash, non-current	1,716,000	1,716,000
Investments in marketable securities, non-current	5,988,000	0
Property and equipment, net	10,467,000	6,507,000
Operating lease right-of-use assets	8,636,000	11,574,000
Other assets	335,000	454,000
Total assets	353,786,000	401,987,000
Current liabilities:
Accounts payable	3,619,000	2,453,000
Accrued compensation	2,181,000	2,689,000
Accrued research costs	460,000	633,000
Accrued expenses and other current liabilities	882,000	886,000
Operating lease liabilities, current	4,926,000	5,482,000
Total current liabilities	12,068,000	12,143,000
Operating lease liabilities, non-current	3,262,000	5,794,000
Total liabilities	15,330,000	17,937,000
Commitments and contingencies (Note 7)
Stockholders’ equity:
Preferred stock, $0.00001 par value, 10,000,000 shares authorized as of June 30, 2022 and December 31, 2021; and no shares issued and outstanding as of June 30, 2022 and December 31, 2021	0	0
Common stock, $0.00001 par value, 300,000,000 shares authorized as of June 30, 2022 and December 31, 2021; 58,211,192 and 58,010,823 shares issued and outstanding as of June 30, 2022 and December 31, 2021, respectively	1,000	1,000
Additional paid-in-capital	532,610,000	525,400,000
Accumulated other comprehensive loss	(1,033,000)	0
Accumulated deficit	(193,122,000)	(141,351,000)
Total stockholders’ equity	338,456,000	384,050,000
Total liabilities and stockholders’ equity	$ 353,786,000	$ 401,987,000