# Filing Detail

Form 8-K - Current report:
SEC Accession No. 0001537435-26-000036
Filing Date
2026-05-12
Accepted
2026-05-12 17:15:25
Documents
24
Period of Report
2026-05-12
Items
Item 2.02: Results of Operations and Financial Condition
Item 7.01: Regulation FD Disclosure
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 8-K | tgen-20260512.htm iXBRL | 8-K | 27616
2 | EX-99.1 | tgenq12026earningsrelease.htm | EX-99.1 | 185507
3 | EX-99.2 | earningspresentationq120.htm | EX-99.2 | 13105
7 | GRAPHIC | cleanenergysolutions.jpg | GRAPHIC | 9626
8 | GRAPHIC | earningspresentationq120001.jpg | GRAPHIC | 131457
9 | GRAPHIC | earningspresentationq120002.jpg | GRAPHIC | 194998
10 | GRAPHIC | earningspresentationq120003.jpg | GRAPHIC | 59081
11 | GRAPHIC | earningspresentationq120004.jpg | GRAPHIC | 114286
12 | GRAPHIC | earningspresentationq120005.jpg | GRAPHIC | 96709
13 | GRAPHIC | earningspresentationq120006.jpg | GRAPHIC | 72997
14 | GRAPHIC | earningspresentationq120007.jpg | GRAPHIC | 149418
15 | GRAPHIC | earningspresentationq120008.jpg | GRAPHIC | 108738
16 | GRAPHIC | earningspresentationq120009.jpg | GRAPHIC | 124647
17 | GRAPHIC | earningspresentationq120010.jpg | GRAPHIC | 99481
| Complete submission text file | 0001537435-26-000036.txt |  | 1952118

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
4 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | tgen-20260512.xsd | EX-101.SCH | 1782
5 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | tgen-20260512_lab.xml | EX-101.LAB | 19154
6 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | tgen-20260512_pre.xml | EX-101.PRE | 10972
27 | EXTRACTED XBRL INSTANCE DOCUMENT | tgen-20260512_htm.xml | XML | 2442

Mailing Address 76 TREBLE COVE ROAD BLDG. 1 NORTH BILLERICA MA 01862
Business Address 76 TREBLE COVE ROAD BLDG. 1 NORTH BILLERICA MA 01862 781-466-6400
TECOGEN INC. (Filer) CIK: 0001537435 (see all company filings)

EIN.: 043536131 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 8-K | Act: 34 | File No.: 001-36103 | Film No.: 26969846
SIC: 3585 Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
(CF Office: 06 Technology)