Stock-Based Compensation
3 Months Ended
Mar. 31, 2022
Stock-Based Compensation  
Stock-Based Compensation

8. Stock-Based Compensation

Service-Based Stock Options

During the three months ended March 31, 2022, the Company granted options with service-based vesting conditions for the purchase of 2,455,341 shares of common stock with a weighted average exercise price of $6.74 per share and a weighted average grant-date fair value of $4.61 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, 

    

2022

    

2021

    

Research and development expenses

 

$

3,477

$

2,531

 

General and administrative expenses

 

4,783

 

6,111

 

$

8,260

$

8,642

As of March 31, 2022, total unrecognized compensation cost related to the unvested stock-based awards was $61.0 million, which is expected to be recognized over a weighted average period of 2.6 years.