Stock-Based Compensation
3 Months Ended
Mar. 31, 2021
Stock-Based Compensation  
Stock-Based Compensation

8. Stock-Based Compensation

Service-Based Stock Options

During the three months ended March 31, 2021, the Company granted options with service-based vesting conditions for the purchase of 2,459,661 shares of common stock with a weighted average exercise price of $12.53 per share and a weighted average grant-date fair value of $8.37 per share.

Stock-Based Compensation

The Company recorded stock-based compensation expense in the following expense categories of its condensed consolidated statements of operations and comprehensive loss (in thousands):

Three Months Ended March 31, 

    

2021

    

2020

    

Research and development expenses

 

$

2,531

$

2,111

 

General and administrative expenses

 

6,111

 

6,377

 

$

8,642

$

8,488

As of March 31, 2021, total unrecognized compensation cost related to the unvested stock-based awards was $60.4 million, which is expected to be recognized over a weighted average period of 2.4 years.