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Stock-Based Compensation Plans (Tables)
9 Months Ended
Sep. 30, 2021
Summarizes Transactions of SEUs
The following table summarizes the transactions of the Company’s SEUs for the nine months ended September 30, 2021:
 
    
Number
of SEUs
    
Weighted
Average
Exercise
Price
    
Weighted
Average
Grant-Date

Fair Value
 
Outstanding at December 31, 2020
     390,164      $ 4.35      $ 63.96  
Granted - at discount
     94,151      $ 0.00      $ 91.83  
              - at market value
     3,803      $ 99.85      $ 32.71  
Exercised
     (35,384    $ 13.93      $ 45.20  
Forfeited
     (25,290    $ 2.40      $ 66.53  
    
 
 
    
 
 
    
 
 
 
Outstanding at September 30, 2021
     427,444      $ 3.57      $ 71.22  
    
 
 
    
 
 
    
 
 
 
Stock Options Plan [Member]  
Summary of Transactions of Company's Stock Option Plans
The following table summarizes the transactions of the Company’s stock option plans for the nine months ended September 30, 2021.
 
    
Number of
Options
    
Weighted
Average
Exercise
Price
    
Weighted
Average
Grant-Date

Fair Value
 
Outstanding at December 31, 2020
     442,893      $ 32.49      $ 45.31  
Granted - at discount
     81,596      $ 0.00      $ 92.37  
              - at market value
     10,688      $ 99.85      $ 32.73  
Exercised
     (56,508    $ 34.57      $ 37.45  
Forfeited
     (19,023    $ 20.46      $ 63.56  
    
 
 
                   
Outstanding at September 30, 2021
     459,646      $ 28.44      $ 53.64