TECOGEN INC. — 4/A Filings
9 4/A filings on record
This page lists all 4/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 9 4/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 |
|---|---|---|---|---|
| 4/A | FORM 4/A | 0001537435-25-000071 | Jul 14, 2025 | Jun 3, 2025 |
| 4/A | FORM 4/A | 0001537435-25-000069 | Jul 14, 2025 | May 27, 2025 |
| 4/A | FORM 4/A | 0001628280-25-014780 | Mar 25, 2025 | Nov 22, 2024 |
| 4/A | FORM 4/A | 0001628280-25-014778 | Mar 25, 2025 | Oct 9, 2023 |
| 4/A | FORM 4/A | 0001628280-25-014773 | Mar 25, 2025 | Jul 15, 2024 |
| 4/A | FORM 4/A | 0001537435-20-000057 | Jun 4, 2020 | Jun 1, 2020 |
| 4/A | FORM 4/A | 0001537435-18-000033 | Apr 11, 2018 | May 23, 2017 |
| 4/A | FORM 4/A | 0001537435-17-000006 | Jan 27, 2017 | Jan 6, 2017 |
| 4/A | FORM 4/A | 0001537435-16-000184 | Dec 20, 2016 | Jun 3, 2016 |