Balance Sheet Components - Graphite Bio, Inc. (Tables)

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets as of December 31, 2023 and 2022 consisted of the following (in thousands):

	December 31, 2023		December 31, 2022
Advances to suppliers	—		2,486
Prepaid insurance	780		1,343
Other prepaid expenses	1,380		3,307
Total prepaid expenses and other current assets	$	2,160	$	7,136

Schedule of Property, Plant, and Equipment

Property and equipment, net as of December 31, 2023 and 2022 consisted of the following (in thousands):

	December 31, 2023		December 31, 2022
Furniture and fixtures	$	—	$	321
Computers and network equipment	—		251
Lab equipment	—		12,521
Leasehold improvements	—		304
Construction-in-progress	—		12,440
Total property and equipment	—		25,837
Less: accumulated depreciation	—		(3,207)
Total property and equipment, net	$	—	$	22,630

Estimated useful lives for property and equipment are as follows:

	Estimated Useful Life
Computer equipment	5 years
Furniture and fixtures	5 years
Lab equipment	5 years

Property and equipment, net consisted of the following (in thousands):

	As of December 31,
	2022		2023
Office equipment	$	46	$	64
Leasehold improvements	—		$	12
Lab equipment	5		5
Property and equipment, gross	51		81
Less: accumulated depreciation	(12)		(27)
Property and equipment, net	$	39	$	54

Schedule of Accrued Liabilities

Accrued expenses as of December 31, 2023 and 2022 consisted of the following (in thousands):

	December 31, 2023		December 31, 2022
Professional fees	$	1,029	$	367
Early exercise liability	21		150
Other accrued expenses	143		1,354
Accrued employee termination benefits	1,535		—
Total accrued expenses and other current liabilities	$	2,728	$	1,871

Accrued liabilities consist of the following (in thousands):

	As of December 31,
	2022		2023
Accrued research and development expense	$	3,192	$	10,289
Accrued payroll and related benefits	875		1,998
Income taxes payable	347		—
Operating lease liability, current portion	103		137
Other accrued liabilities	227		379
Total accrued liabilities	$	4,744	$	12,803