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TGEN   TECOGEN INC.   |  1537435

Available Fillings Total Fillings:589
Form Type Form Count
8-K 162
UPLOAD 20
10-Q 36
CORRESP 24
S-8 4
AW 1
RW 2
S-3/A 6
8-A12B 2
3/A 6
SC 13D/A 2
425 9
SC 13D 2
DEF 14C 4
CT ORDER 2
SC 13G 10
POS AM 6
8-K/A 4
S-4 1
S-1/A 16
10-K 12
25 1
4/A 7
5 3
424B3 8
DEFA14A 7
SC 13G/A 10
424B4 1
4 134
S-1 4
3 41
DEF 14A 9
8-A12G 1
EFFECT 13
S-4/A 3
10-K/A 1
PRE 14C 2
S-8 POS 1
S-3 4
D 5
CERTNAS 2
PRE 14A 1
Financials Total:215
Form Type Act Filing Date Report Date Action
8-K 34 06/10/2025 06/10/2025 |    |  
10-Q 34 05/13/2025 03/31/2025 |    |  
8-K 34 05/12/2025 05/12/2025 |    |  
8-K 34 03/03/2025 02/28/2025 |    |  
8-K 34 01/17/2025 01/14/2025 |    |  
10-Q 34 11/14/2024 09/30/2024 |    |  
8-K 34 09/23/2024 09/18/2024 |    |  
8-K 34 07/25/2024 07/23/2024 |    |  
8-K 34 06/06/2024 06/06/2024 |    |  
10-Q 34 05/09/2024 03/31/2024 |    |  
Ipos Total:52
Form Type Act Filing Date Report Date Action
CORRESP 04/21/2020 06/25/2025
UPLOAD 04/13/2020 06/25/2025
S-3 33 04/06/2020 06/25/2025
CORRESP 04/11/2017 06/25/2025
CORRESP 03/24/2017 06/25/2025
UPLOAD 02/13/2017 06/25/2025
CORRESP 01/27/2017 06/25/2025
UPLOAD 01/17/2017 06/25/2025
CORRESP 07/14/2016 06/25/2025
UPLOAD 07/12/2016 06/25/2025
Form Type Act Filing Date Report Date Action
4 06/24/2025 03/03/2025
3 06/24/2025 04/23/2024
3 06/24/2025 04/23/2024
4 06/20/2025 06/16/2025
4 06/02/2025 05/27/2025
4/A 03/25/2025 11/22/2024
4/A 03/25/2025 10/09/2023
4/A 03/25/2025 07/15/2024
4 09/27/2024 09/27/2024
4 09/25/2024 09/25/2024
Form Type Act Filing Date Report Date Action
DEF 14A 34 04/23/2024 04/23/2024
DEF 14A 34 04/25/2023 12/31/2022
SC 13G 34 05/10/2022 06/25/2025
DEF 14A 34 04/25/2022 12/31/2021
DEF 14A 34 04/21/2020 12/31/2019
DEF 14A 34 04/23/2019 06/06/2019
SC 13G 34 08/01/2018 06/25/2025
SC 13G 34 05/22/2018 06/25/2025
DEF 14A 34 04/20/2018 05/11/2018
SC 13G 34 06/23/2017 06/25/2025
Form Type Act Filing Date Report Date Action
8-K 34 06/10/2025 06/10/2025 |    |  
8-K 34 05/12/2025 05/12/2025 |    |  
8-K 34 03/03/2025 02/28/2025 |    |  
8-K 34 01/17/2025 01/14/2025 |    |  
8-K 34 09/23/2024 09/18/2024 |    |  
8-K 34 07/25/2024 07/23/2024 |    |  
8-K 34 06/06/2024 06/06/2024 |    |  
8-K 34 05/09/2024 05/09/2024 |    |  
8-K 34 03/14/2024 03/14/2024 |    |  
8-K 34 03/07/2024 03/01/2024 |    |  
Form Type Act Filing Date Report Date Action
DEF 14A 34 04/23/2024 04/23/2024
PRE 14A 34 04/12/2024 04/12/2024
DEF 14A 34 04/25/2023 12/31/2022
DEF 14A 34 04/25/2022 12/31/2021
DEF 14A 34 04/21/2020 12/31/2019
DEF 14A 34 04/23/2019 06/06/2019
DEF 14A 34 04/20/2018 05/11/2018
DEF 14A 34 05/01/2017 06/29/2017
DEF 14A 34 04/29/2016 04/29/2016
DEF 14A 34 04/30/2015 04/30/2015
Form Type Act Filing Date Report Date Action
S-1/A 33 06/27/2014 06/25/2025
S-1/A 33 06/20/2014 06/25/2025
S-1/A 33 06/16/2014 06/25/2025
S-1/A 33 04/23/2014 06/25/2025
S-1/A 33 04/17/2014 06/25/2025
S-1 33 02/07/2014 06/25/2025
S-1 33 02/06/2014 06/25/2025
S-1/A 33 10/01/2013 06/25/2025
S-1/A 33 09/30/2013 06/25/2025
S-1/A 33 09/03/2013 06/25/2025