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Fair value measurements
3 Months Ended
Mar. 31, 2024
Fair value measurements  
Fair value measurements

3. Fair value measurements

Assets and liabilities measured at fair value on a recurring basis as of March 31, 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)

 

March 31, 2024

(in thousands)

 

Money market funds included in cash and cash equivalents

    

$

49,444

    

$

49,444

    

$

    

$

Marketable securities:

U.S. Treasury notes

24,486

24,486

U.S. Government agency securities

138,191

138,191

Corporate bonds

88,983

88,983

Commercial paper

4,830

4,830

Total money market funds and marketable securities

$

305,934

$

212,121

$

93,813

$

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 based on quoted prices in active markets for identical securities. The Company measures the fair value of the Level 2 securities, 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.