CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 227,648	$ 45,157
Marketable securities	183,983	143,555
Collaboration receivable	6,297	0
Prepaid expenses and other current assets	16,207	21,163
Total current assets	434,135	209,875
Property and equipment, net	9,394	7,681
Restricted cash	3,950	3,950
Right-of-use assets, operating leases	14,247	25,340
Other non-current assets	13,843	5,210
Total assets	475,569	252,056
Current liabilities:
Accounts payable	6,474	5,990
Accrued expenses and other current liabilities	11,676	7,576
Operating lease obligations, current portion	7,103	8,406
Deferred revenue, current portion	122,341	0
Total current liabilities	147,594	21,972
Operating lease obligations, net of current portion	9,122	17,530
Deferred revenue, net of current portion	89,241	0
Total liabilities	245,957	39,502
Commitments and contingencies (Note 11)
Stockholders’ equity:
Common stock, par value $0.0001; 150,000,000 shares authorized; 33,177,324 shares issued and 33,133,736 shares outstanding as of March 31, 2023 and 31,448,508 shares issued and 31,394,767 shares outstanding as of December 31, 2022	3	3
Additional paid‑in capital	425,210	402,893
Accumulated other comprehensive loss	(642)	(2,057)
Accumulated deficit	(194,959)	(188,285)
Total stockholders’ equity	229,612	212,554
Total liabilities and stockholders’ equity	$ 475,569	$ 252,056