CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 122,128	$ 156,152
Short-term investments	268,572	311,140
Prepaid expenses and other current assets	8,331	7,180
Total current assets	399,031	474,472
Property and equipment, net	1,239	1,174
Operating lease right-of-use assets	3,819	4,130
Other assets	459	459
Long-term investments	110,442	80,882
Total assets	514,990	561,117
Current liabilities:
Accounts payable	2,031	2,660
Accrued expenses and other current liabilities	18,379	14,135
Income tax payable	4,207	4,282
Operating lease liabilities, current	1,554	1,421
Total current liabilities	26,171	22,498
Long-term liabilities:
Operating lease liabilities, net of current portion	3,170	3,590
Total liabilities	29,341	26,088
Commitments and contingencies (Note 11)
Stockholders' equity:
Preferred stock, $0.0001 par value, 10,000,000 shares authorized as of March 31, 2023 and December 31, 2022; 647,500 and no shares issued and outstanding as of March 31, 2023 and December 31, 2022, respectively	0	0
Common stock, $0.0001 par value, 150,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 45,743,027 and 44,292,102 shares issued and outstanding as of September 30, 2022 and December 31, 2021, respectively	4	5
Additional paid-in capital	592,544	585,320
Accumulated other comprehensive loss	(1,242)	(2,601)
Accumulated deficit	(105,657)	(47,695)
Total Cullinan stockholders' equity	485,649	535,029
Noncontrolling interests	0	0
Total stockholders' equity	485,649	535,029
Total liabilities and stockholders' equity	$ 514,990	$ 561,117

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).