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Marketable Securities (Tables)
9 Months Ended
Sep. 30, 2022
Marketable Securities  
Summary of investments

The following table summarizes the Company’s investments as of September 30, 2022 (in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Gross

​

​

​

​

​

Amortized

​

Unrealized

​

Estimated

​

    

Cost

    

Gains

    

Losses

    

Fair Value

Marketable securities available-for-sale:

​

​

  

​

​

​

​

​

  

​

​

  

U.S. Treasury obligations

​

$

211,516

​

​

—

​

​

(936)

​

$

210,580

Total available-for-sale securities

​

$

211,516

​

$

—

​

$

(936)

​

$

210,580

​

The following table summarizes the Company’s investments as of December 31, 2021 (in thousands):

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Gross

​

​

​

​

​

Amortized

​

Unrealized

​

Estimated

​

    

Cost

    

Gains

    

Losses

    

Fair Value

Marketable securities available-for-sale:

​

​

​

​

​

​

​

​

​

​

​

​

U.S. Treasury obligations

​

$

40,194

​

$

—

​

$

(35)

​

$

40,159

Total available-for-sale securities

​

$

40,194

​

$

—

​

$

(35)

​

$

40,159