TECOGEN INC. — SC 13G Filings
10 SC 13G filings on record
This page lists all SC 13G 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 10 SC 13G 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 |
|---|---|---|---|---|
| SC 13G | SC 13G | 0001748455-22-000003 | May 10, 2022 | — |
| SC 13G | SC 13G | 0001748455-18-000003 | Aug 1, 2018 | — |
| SC 13G | SC 13G | 0001741450-18-000002 | May 22, 2018 | — |
| SC 13G | SC 13G MONOVOUKAS 05 23 17 | 0001537435-17-000086 | Jun 23, 2017 | — |
| SC 13G | SC 13G | 0001104659-17-005832 | Feb 1, 2017 | — |
| SC 13G | SC 13G | 0001144204-16-083383 | Feb 19, 2016 | — |
| SC 13G | SC 13G | 0001144204-15-011323 | Feb 23, 2015 | — |
| SC 13G | SC 13G DR. GEORGE N HATSOPOULOS | 0001537435-15-000010 | Feb 18, 2015 | — |
| SC 13G | SC 13G JOHN N. HATSOPOULOS | 0001537435-15-000008 | Feb 18, 2015 | — |
| SC 13G | SC 13G J. RITCHIE | 0001537435-15-000006 | Feb 18, 2015 | — |