TECOGEN INC. — 3 Filings
41 3 filings on record
This page lists all 3 filings submitted to the SEC by TECOGEN INC. (TGEN), sorted by most recent first. Each row links to the full filing on EdgarLookup. TECOGEN INC. has filed 41 3 documents with the SEC since 2011. To view all SEC filings by TECOGEN INC., see the full filings list.
All
10-K
10-K/A
10-Q
25
3
3/A
4
4/A
424B3
424B4
425
5
8-A12B
8-A12G
8-K
8-K/A
AW
CERT
CERTNAS
CORRESP
CT ORDER
D
DEF 14A
DEF 14C
DEFA14A
DRS
EFFECT
POS AM
PRE 14A
PRE 14C
RW
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-4
S-4/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 3 | FORM 3 | 0001537435-25-000062 | Jun 24, 2025 | Apr 23, 2024 |
| 3 | FORM 3 | 0001537435-25-000060 | Jun 24, 2025 | Apr 23, 2024 |
| 3 | FORM 3 | 0001537435-23-000128 | Oct 2, 2023 | Sep 22, 2023 |
| 3 | FORM 3 | 0001537435-22-000136 | Dec 19, 2022 | — |
| 3 | FORM 3 | 0001537435-22-000041 | May 6, 2022 | May 4, 2022 |
| 3 | FORM 3 | 0001537435-22-000029 | Mar 16, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000027 | Mar 16, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000025 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000024 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000023 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000022 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000021 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000020 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000018 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-22-000016 | Mar 11, 2022 | Mar 9, 2022 |
| 3 | FORM 3 | 0001537435-20-000072 | Jul 8, 2020 | Jun 5, 2020 |
| 3 | FORM 3 | 0001537435-20-000053 | Jun 3, 2020 | Jun 6, 2019 |
| 3 | FORM 3 | 0001537435-20-000014 | Apr 2, 2020 | — |
| 3 | FORM 3 | 0001537435-17-000090 | Jun 22, 2017 | May 23, 2017 |
| 3 | FORM 3 | 0001537435-17-000083 | Jun 1, 2017 | May 23, 2017 |
| 3 | FORM 3 | 0001537435-16-000153 | Sep 20, 2016 | Sep 2, 2016 |
| 3 | FORM 3 | 0001537435-14-000117 | Dec 22, 2014 | Jul 7, 2014 |
| 3 | FORM 3 | 0001537435-14-000092 | Nov 19, 2014 | Oct 29, 2014 |
| 3 | FORM 3 | 0001537435-14-000068 | Aug 18, 2014 | Aug 15, 2014 |
| 3 | FORM 3 | 0001537435-14-000033 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001537435-14-000032 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001537435-14-000030 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001537435-14-000029 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001537435-14-000028 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001537435-14-000027 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001587245-14-000001 | May 22, 2014 | May 20, 2014 |
| 3 | FORM 3 | 0001585816-14-000003 | May 22, 2014 | May 20, 2014 |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053430 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053427 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053426 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053425 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053424 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053421 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053419 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053411 | Oct 1, 2013 | — |
| 3 | OWNERSHIP DOCUMENT | 0001144204-13-053410 | Oct 1, 2013 | — |