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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Summary of Common Stock Reserved for Future Issuance

As of September 30, 2021 and December 31, 2020, the Company has reserved the following shares of common stock for future issuance:

 

 

 

September 30,

2021

 

 

December 31,

2020

 

Shares reserved for exercise of outstanding stock options

 

 

7,999,382

 

 

 

5,559,545

 

Shares reserved for vesting of restricted stock units

 

 

709,025

 

 

 

1,198

 

Shares reserved for issuance under the 2018 Stock Option and Grant Plan

 

 

2,147,631

 

 

 

3,877,478

 

Shares reserved for issuance under the 2018 Employee Stock Purchase Plan

 

 

1,151,010

 

 

 

762,900

 

Shares reserved for issuance under the 2019 Inducement Plan

 

 

414,280

 

 

 

365,050

 

Shares reserved for issuance under the 2020 Inducement Plan

 

 

1,637,000

 

 

 

1,700,000

 

Total shares of authorized common stock reserved for future issuance

 

 

14,058,328

 

 

 

12,266,171