TECOGEN INC. (TGEN) Form 10-K Annual Reports
TECOGEN INC. (TGEN) is a publicly traded company on the NYSE, categorized under SIC 3585 (Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: TGEN
CIK: 1537435
Exchange: NYSE
SIC 3585: Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
Fiscal Year End: 12/31
State: DE
Independent PCAOB Auditor
Explore PCAOB Audit Intelligence →
Audit Firm
Wolf & Company, P.C.
Auditor SinceSince 12/31/2016 12:00:00 AM
Lead Engagement PartnerVirginia Rubega
Audit LocationBoston, Massachusetts, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| 8-K | 2026-10-14 | 2026-10-14 | 8-K | 0001537435-26-000092 | View SEC Doc Filr Page |
| 4/A | 2026-09-08 | 2026-06-26 | FORM 4/A | 0001537435-26-000088 | View SEC Doc Filr Page |
| 4/A | 2026-09-08 | 2026-06-26 | FORM 4/A | 0001808199-26-000003 | View SEC Doc Filr Page |
| 4/A | 2026-09-08 | 2026-06-26 | FORM 4/A | 0001585814-26-000003 | View SEC Doc Filr Page |
| 4/A | 2026-09-08 | 2026-06-26 | FORM 4/A | 0001537435-26-000087 | View SEC Doc Filr Page |
| 4/A | 2026-09-08 | 2026-06-26 | FORM 4/A | 0001537435-26-000086 | View SEC Doc Filr Page |
| 424B3 | 2026-09-04 | — | 424B3 | 0001537435-26-000079 | View SEC Doc Filr Page |
| EFFECT | 2026-09-03 | — | EFFECT Filing | 9999999995-26-002885 | View SEC Doc Filr Page |
| EFFECT | 2026-09-01 | — | EFFECT Filing | 9999999995-26-002842 | View SEC Doc Filr Page |
| POS AM | 2026-09-01 | — | POS AM | 0001537435-26-000075 | View SEC Doc Filr Page |
| S-3 | 2026-08-31 | — | S-3 | 0001537435-26-000073 | View SEC Doc Filr Page |
| 8-K | 2026-08-31 | 2026-08-31 | 8-K | 0001537435-26-000072 | View SEC Doc Filr Page |
| S-1/A | 2026-08-31 | — | S-1/A | 0001537435-26-000071 | View SEC Doc Filr Page |
| 10-Q | 2026-08-13 | 2026-06-30 | 10-Q | 0001537435-26-000066 | View SEC Doc Filr Page |
| 8-K | 2026-08-12 | 2026-08-12 | 8-K | 0001537435-26-000063 | View SEC Doc Filr Page |
| 8-K | 2026-07-01 | 2026-06-26 | 8-K | 0001537435-26-000053 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000051 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000050 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000049 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000048 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000047 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000046 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000045 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000044 | View SEC Doc Filr Page |
| 4 | 2026-06-30 | 2026-06-26 | FORM 4 | 0001537435-26-000043 | View SEC Doc Filr Page |