Fair value measurements

6 Months Ended

Jun. 30, 2024

Fair value measurements

Fair value measurements

3. Fair value measurements

Assets and liabilities measured at fair value on a recurring basis as of June 30, 2024 and December 31, 2023 are as follows:

			Quoted Prices		Significant
			in Active		Other		Significant
			Markets for		Observable		Unobservable
			Identical Assets		Inputs		Inputs
Assets	Total		(Level 1)		(Level 2)		(Level 3)
June 30, 2024	(in thousands)
Money market funds included in cash and cash equivalents	$	63,854	$	63,854	$	—	$	—
Marketable securities:
U.S. Treasury notes		22,714		22,714		—		—
U.S. Government agency securities		126,706		126,706		—		—
Certificates of deposit		5,449		—		5,449		—
Corporate bonds		113,661		—		113,661		—
Commercial paper		26,364		—		26,364		—
Total money market funds and marketable securities	$	358,748	$	213,274	$	145,474	$	—
December 31, 2023
Money market funds included in cash and cash equivalents	$	65,589	$	65,589	$	—	$	—
Marketable securities:
U.S. Treasury notes		103,044		103,044		—		—
U.S. Government agency securities		31,075		31,075		—		—
Corporate bonds		23,970		—		23,970		—
Commercial paper		3,985		—		3,985		—
Total money market funds and marketable securities	$	227,663	$	199,708	$	27,955	$	—

The Company measures the fair value of money market funds, U.S. Treasury notes and U.S. Government agency securities are based on quoted prices in active markets for identical securities. The Company measures the fair value of the Level 2 securities, certificates of deposit, corporate bonds and commercial paper, based on recent trades of securities in active markets or based on quoted market prices of similar instruments and other significant inputs derived from or corroborated by observable market data.