Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net loss	$ (28,264)	$ (13,150)
Reconciliation of net loss to net cash used in operating activities:
Depreciation	174	16
Stock-based compensation	4,977	1,890
Amortization of premiums on investment securities, net	(39)	(128)
Non-cash lease expense	35
Other	4
Change in operating assets and liabilities:
Prepaid expense and other assets	(1,020)	(1,624)
Prepaid expense and other assets—related party		(60)
Accounts payable and other liabilities	1,813	1,070
Accounts payable and other liabilities related-party	(7)
Net cash used in operating activities	(22,327)	(11,986)
Cash flows from investing activities
Purchases of investment securities	(157,976)	(32,037)
Proceeds from maturities of investment securities	1,715	33,710
Proceeds from sale of asset	39
Purchases of property and equipment	(320)	(216)
Net cash (used in) provided by investing activities	(156,542)	1,457
Cash flows from financing activities
Proceeds from initial public offering, net of issuance costs		254,271
Proceeds from issuance of convertible preferred stock, net of issuance costs		124,712
Payment of deferred issuance costs	(427)
Issuance of common stock through employee stock purchase plan	225
Proceeds from the exercise of stock options	156	5
Net cash provided by financing activities	(46)	378,988
Net (decrease) increase in cash and cash equivalents	(178,915)	368,459
Cash and cash equivalents at beginning of period	298,569	2,379
Cash and cash equivalents at end of period	119,654	$ 370,838
Supplemental disclosures
Initial recognition of right-of-use asset and operating lease liability	590
Deferred financing costs in accrued expenses	75
Purchases of property and equipment included in accounts payable and accrued expenses	$ 222