Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2024
Tecogen  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Schedule of Stock Option Activity
Stock option activity for the six months ended June 30, 2024 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, 2023 3,638,122  $ 0.71  - $ 10.33  $ 1.49  6.70 years $ 127,811 
Granted
125,000  $0.77 $ 0.77 
Exercised
— 
Canceled and forfeited
(816,590) $ 0.74  - $ 10.33  $ 2.73 
Outstanding, June 30, 2024 2,946,532  $ 0.71  - $ 6.74  $ 1.12  6.95 years $ 46,675 
Exercisable, June 30, 2024 1,686,532  $ 1.27  $ 29,525 
Vested and expected to vest, June 30, 2024 2,651,282  $ 1.15    $ 44,103