Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

v3.21.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2021
Tecogen  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Stock Option Activity
Stock option activity for the three months ended March 31, 2021 was as follows: 
Common Stock Options Number of
Options
Exercise
Price
Per
Share
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Life
Aggregate
Intrinsic
Value
Outstanding, December 31, 2020 2,496,242 
$0.71-$10.33
$ 1.94  7.37 years $ 731,744 
Granted
8,000  $1.75 $ 1.75 
Exercised
— 
Canceled and forfeited
(253,500) $2.60 $ 2.60 
Outstanding, March 31, 2021 2,250,742 
 $0.71-$10.33
$ 1.87  7.95 years $ 1,435,158 
Exercisable, March 31, 2021 591,908  $ 4.03  $ 23,258 
Vested and expected to vest, March 31, 2021 2,001,917  $ 1.97    $ 1,223,373