TECOGEN INC. — SC 13G/A Filings
10 SC 13G/A filings on record
This page lists all SC 13G/A 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/A 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/A | SC 13G/A | 0001537435-19-000010 | Mar 26, 2019 | — |
| SC 13G/A | SC 13G/A | 0001740705-18-000003 | May 16, 2018 | — |
| SC 13G/A | SC 13G/A #4 | 0001537435-18-000008 | Feb 12, 2018 | — |
| SC 13G/A | SC 13G/A | 0001144204-18-001857 | Jan 11, 2018 | — |
| SC 13G/A | SC 13G/A #3 | 0001537435-17-000016 | Feb 15, 2017 | — |
| SC 13G/A | SC 13G/A | 0001537435-16-000180 | Dec 14, 2016 | — |
| SC 13G/A | TGEN SC 13G/A OF JOHN N. HATSOPOULOS | 0001537435-16-000095 | Feb 16, 2016 | — |
| SC 13G/A | TGEN SC 13G/A OF JOSEPH RITCHIE | 0001537435-16-000093 | Feb 16, 2016 | — |
| SC 13G/A | SC 13G/A | 0001537435-16-000091 | Feb 16, 2016 | — |
| SC 13G/A | SC 13G/A | 0001537435-16-000089 | Feb 16, 2016 | — |