v3.26.1
Marketable Securities
 6 Months Ended
Jun. 30, 2026
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities Marketable Securities
The amortized cost, gross unrealized holding gains, gross unrealized holding losses and fair value of debt securities available-for-sale by type of security at June 30, 2026 and December 31, 2025 were as follows:
Amortized CostAllowance for Credit LossesNet Amortized CostGross Unrealized GainsGross Unrealized LossesFair Value
June 30, 2026
Debt securities
U.S. treasury bills
$134,413 $— $134,413 $2 $(2)$134,413 
Total $134,413 $— $134,413 $2 $(2)$134,413 
December 31, 2025
Debt securities
U.S. treasury bills
114,109 — 114,109 61 — 114,170 
Total$114,109 $— $114,109 $61 $— $114,170 
The fair values of debt securities available-for-sale by classification in the condensed consolidated balance sheets were as follows:
June 30, 2026December 31, 2025
Cash and cash equivalents$104,580 $24,990 
Marketable securities29,833 89,180 
Total$134,413 $114,170 
The net amortized cost and fair value of debt securities available-for-sale at June 30, 2026 and December 31, 2025 are shown below by contractual maturity. Actual maturities may differ from contractual maturities because securities may be restructured, called or prepaid, or if the Company intends to sell a security prior to maturity.
June 30, 2026December 31, 2025
Net Amortized CostFair ValueNet Amortized CostFair Value
Due to mature:
Less than one year$134,413 $134,413 $114,109 $114,170 
Summarized below are the debt securities available-for-sale the Company held at June 30, 2026 that were in an unrealized loss position, aggregated by the length of time the investments have been in that position:
Less than 12 months
Number of SecuritiesFair ValueUnrealized Losses
June 30, 2026
Debt securities
U.S. treasury bills4 $59,794 $(2)
    
The Company did not have any investments in an unrealized loss position as of December 31, 2025.
The Company did not have any investments in a continuous unrealized loss position for more than twelve months as of June 30, 2026 and December 31, 2025.
The Company reviewed the securities in the table above and concluded that they are performing assets generating investment income to support the needs of the Company's business. In performing this review, the Company considered factors such as the credit quality of the investment security based on research performed by external rating agencies and the prospects of realizing the carrying value of the security based on the investment’s current prospects for recovery. As of June 30, 2026, the Company did not intend to sell these securities and did not believe it was more likely than not that it would be required to sell these securities prior to the anticipated recovery of their amortized cost basis.
Net Investment Income
Gross investment income includes interest income from debt securities available-for-sale, money-market funds, cash and restricted cash. Net investment income included in other (expense) income, net in the condensed consolidated statements of operations and comprehensive loss for the three and six months ended June 30, 2026 and 2025 was as follows:
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Debt securities
$1,239 $3,076 $2,801 $6,304 
Other investments
1,468 1,122 3,181 2,133 
Gross investment income
2,707 4,198 5,982 8,437 
Investment expenses
(24)(45)(50)(78)
Net investment income$2,683 $4,153 $5,932 $8,359 
We utilize the specific identification method in computing realized gains and losses on sales of debt securities. The Company had no sales of debt securities available-for-sale during the three and six months ended June 30, 2026 and 2025.