Fair Value Measurements - Graphite Bio, Inc. (Tables)

12 Months Ended

Dec. 31, 2023

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The following tables set forth the financial instruments that were measured at fair value on a recurring basis by level within the fair value hierarchy as of December 31, 2023 and 2022 (in thousands):


	December 31, 2023
	Total Fair Value		Level 1		Level 2		Level 3
Cash equivalents:
Money market funds(1)	$	184,259	$	184,259	$	—	$	—
Commercial paper(1)	—		—		—		—
Total cash equivalents	$	184,259	$	184,259	$	—	$	—


	December 31, 2022
	Total Fair Value		Level 1		Level 2		Level 3
Cash equivalents:
Money market funds(1)	$	45,739	$	45,739	$	—	$	—
Commercial paper(1)	1,991		—		1,991		—
Total cash equivalents	47,730		45,739		1,991		—
Marketable securities:
U.S. treasuries(2)	65,391		65,391		—		—
Commercial paper(2)	115,061		—		115,061		—
U.S. agency securities(2)	53,455		—		53,455		—
Asset-backed securities(2)	1,914		—		1,914		—
Total marketable securities	235,821		65,391		170,430		—
Total cash equivalents and marketable securities	$	283,551	$	111,130	$	172,421	$	—

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(1)Included within cash and cash equivalents on the balance sheet.

(2)Included within investments in marketable securities, current and investments in marketable securities, non-current on the balance sheet.

Liabilities measured at fair value on a recurring basis are as follows (in thousands):


	Fair Value Measurements at Reporting Date
	Total		Level 1		Level 2		Level 3
At December 31, 2022:
Liabilities
Preferred stock warrants liability	$	994	$	—	$	—	$	994
Total liabilities measured at fair value	$	994	$	—	$	—	$	994


	Fair Value Measurements at Reporting Date
	Total		Level 1		Level 2		Level 3
At December 31, 2023:
Cash equivalents
Money market funds	$	7,962	$	7,962	$	—	$	—
Total cash equivalents measured at fair value	$	7,962	$	7,962	$	—	$	—
Marketable securities
Commercial paper	$	18,751	$	—	$	18,751	$	—
U.S. government agency securities	9,925		—		9,925		—
U.S. treasury securities	1,978		1,978		—		—
Total marketable securities measured at fair value	$	30,654	$	1,978	$	28,676	$	—
Liabilities
Preferred stock warrants liability	$	871	$	—	$	—	$	871
Total liabilities measured at fair value	$	871	$	—	$	—	$	871