CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net loss	$ (99,250)	$ (67,630)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	5,602	2,697
Amortization of deferred financing cost	230	229
Non-cash operating lease expense	1,086	650
Stock based compensation	7,937	3,026
Change in operating assets and liabilities:
Escrow deposit	376	658
Prepaid expenses and other assets	(395)	(2,995)
Operating lease liability	3,194	176
Deferred revenue	118,509
Accounts payable	(3,155)	(4,140)
Accrued expenses and other liabilities	2,825	2,678
Net cash provided by (used in) operating activities	36,959	(64,651)
Cash flows from investing activities
Acquisition of property and equipment	(24,336)	(28,249)
Acquisition of fixed maturity securities, available for sale	(203,663)	(288,146)
Sale of fixed maturity securities, available for sale	219,144	38,659
Net cash used in investing activities	(8,855)	(277,736)
Cash flows from financing activities
Proceeds from initial public offering, net of underwriting discounts and commissions		221,402
Proceeds from issuance of common stock	250	130
Proceeds from early exercises of common stock options		2,282
Proceeds from subscription receivable		31,900
Proceeds from issuance of Series C preferred stock, net of issuance costs		159,628
Cash contributed as a result of merger		2,326
Proceeds from sale of common stock to collaboration partner	26,813
Net cash provided by financing activities	27,063	417,668
Net increase in cash, cash equivalents, and restricted cash	55,167	75,281
Cash, cash equivalents and restricted cash, beginning of period	58,162	27,728
Cash, cash equivalents and restricted cash, end of period	113,329	103,009
Supplemental disclosure of cash and non-cash operating activities:
Cash paid for interest	778	727
Release of escrow deposit	520	523
Supplemental disclosure of non-cash investing and financing activities:
Conversion of convertible preferred stock upon initial public offering		339,388
Purchase of property and equipment, accrued and unpaid	$ 1,238	$ 7,700