Annual report pursuant to Section 13 and 15(d)

Stock Warrants (Tables)

v3.21.1
Stock Warrants (Tables)
12 Months Ended
Dec. 31, 2020
Text Block [Abstract]  
Schedule of Warrants Outstanding
As of December 31, 2020 and 2019, the Company had warrants outstanding to purchase the underlying number of shares of common stock as shown in the table below.
 
    
December 31,
 
    
2020
    
2019
 
2020 Warrants
     8,842,464        —    
2017 Warrants
     1,599,645        1,599,645  
2016 Warrants
     1,400,000        1,400,000  
Pfizer Warrant
     505,617        —    
Placement Agent Warrants
     —          18,915  
Other warrants (1)
     2,567        15,350  
    
 
 
    
 
 
 
Warrants to purchase common stock
     12,350,293        3,033,910  
Weighted-average exercise price per share
   $ 9.14      $ 22.61  
 
(1)
Other warrants are comprised of warrants issued prior to the Company’s IPO, generally in exchange for services rendered to the Company.
 
The following table summarizes information regarding the Company’s warrants outstanding and the corresponding exercise price at December 31, 2020:
 
Exercise Prices
  
Shares
Underlying
Outstanding
Warrants
    
Expiration Date
£
$10.00
     9,348,652      September 1, 2021 – May 27, 2023
> $10.00
£
$20.00
     1,599,645      July 25, 2022
> $20.00
     1,401,996      January 3, 2021 - January 5, 2022
    
 
 
      
       12,350,293