Fair Value Measurements and Investments

6 Months Ended

Jun. 30, 2024

Fair Value Disclosures [Abstract]

Fair Value Measurements and Investments

Fair Value Measurements and Investments

The following tables present the Company’s fair value hierarchy for its assets that are measured at fair value on a recurring basis and indicate the level of the fair value hierarchy utilized to determine such fair value:

	As of June 30, 2024:
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	—	$	55,106	$	—	$	55,106
Short-term investments:
U.S. Treasury and government securities	—		68,850		—		68,850
Corporate debt securities	—		33,725		—		33,725
Related party short-term investment:
Beam equity securities	4,693		—		—		4,693
Total cash equivalents and investments	$	4,693	$	157,681	$	—	$	162,374

	As of December 31, 2023:
(in thousands)	Level 1		Level 2		Level 3		Total
Cash equivalents:
Money market funds	$	—	$	24,209	$	—	$	24,209
Short-term investment:
U.S. Treasury and government securities	—		74,639		—		74,639
Related party short-term investment:
Beam equity securities	5,452		—		—		5,452
Total cash equivalents and investments	$	5,452	$	98,848	$	—	$	104,300

The Company classifies its U.S. Treasury securities as short-term based on each instrument’s underlying contractual maturity date. The fair value of the Company’s U.S. Treasury securities, corporate debt securities, and money market funds are classified as Level 2 because they are valued using observable inputs to quoted market prices, benchmark yields, reported trades, broker/dealer quotes or alternative pricing sources with reasonable levels of price transparency and U.S. Treasury securities.

Investments in Debt Securities

Unrealized gains and losses of investments in debt securities consisted of the following:

	As of June 30, 2024:
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Short-term investments in debt securities:
U.S. Treasury and government securities	$	68,892	$	—	$	(42)	$	68,850
Corporate debt securities	33,753		—		(28)		33,725
Total short-term investments in debt securities	$	102,645	$	—	$	(70)	$	102,575

	As of December 31, 2023:
(in thousands)	Amortized Cost		Unrealized Gains		Unrealized Losses		Fair Value
Short-term investments:
U.S. Treasury and government securities	$	74,654	$	7	$	(22)	$	74,639
Total short-term investments in debt securities	$	74,654	$	7	$	(22)	$	74,639

The contractual maturities of the Company’s investments in debt securities held were as follows:

(in thousands)	June 30, 2024		December 31, 2023
Due within one year	$	102,575	$	74,639

Marketable securities in unrealized loss positions consisted of the following:

	As of June 30, 2024:
(in thousands, except number of securities)	Number of Securities	Fair Value		Gross Unrealized Losses
Investments in continuous loss position for less than 12 months:
U.S. Treasury and government securities	16	$	68,849	$	(42)
Corporate debt securities	19	$	33,725	$	(28)

Based on factors such as historical experience, market data, issuer-specific factors, and current economic conditions, the Company did not record an allowance for credit losses as of June 30, 2024 related to these investments. Further, given the lack of significant change in the credit risk, the Company does not consider these investments to be impaired.