v3.26.3
Marketable Securities
9 Months Ended
Sep. 30, 2026
Marketable Securities  
Marketable Securities

5. Marketable Securities

Marketable securities by security type consisted of the following (in thousands):

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September 30, 2026

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​

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Amortized
Cost

​

Gross
Unrealized
Gain

​

Gross
Unrealized
Loss

​

Credit Losses

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Fair Value

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Marketable securities - U.S. Treasury securities

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$

30,581

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$

—

​

$

(50)

​

$

—

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$

30,531

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Marketable securities - Agency bond

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​

5,002

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​

—

​

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(22)

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​

—

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4,980

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​

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$

35,583

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$

—

​

$

(72)

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$

—

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$

35,511

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​

​

​

​

​

​

​

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December 31, 2025

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​

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Amortized
Cost

​

Gross
Unrealized
Gain

​

Gross
Unrealized
Loss

​

Credit Losses

​

Fair Value

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Marketable securities - U.S. Treasury securities

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$

42,399

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$

54

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$

—

​

$

—

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$

42,453

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The Company purchased a total of approximately $35.1 million of U.S. treasury securities and agency bond for the nine months ended September 30, 2026. The U.S. treasury securities that matured during the nine months ended September 30, 2026 were approximately $41.5 million and none were sold before maturity. Interest earned on marketable securities is $0.4 million and $0.6 million for the three months ended September 30, 2026 and 2025, respectively. Interest earned on marketable securities is $1.2 million and $1.4 million for the nine months ended September 30, 2026 and 2025, respectively.