Tecogen Inc. (TGEN) — SEC Filings

Tecogen Inc. (TGEN) — 39 SEC filings. Latest: 8-K (Apr 8, 2026). Includes 26 8-K, 5 10-Q, 2 4.

View Tecogen Inc. on SEC EDGAR

Overview

Tecogen Inc. (TGEN) is a publicly traded company tracked on ReadTheFiling. The most recent enriched filing is a 8-K filed on Apr 8, 2026: On April 8, 2026, TECOGEN INC. filed an 8-K report detailing an extension of an advisory agreement with JNH Advisory Group, LLC. The filing includes financial statements and exhibits related to this extension.

Sentiment Summary

Across 39 filings, the sentiment breakdown is: 1 bearish, 36 neutral, 2 mixed. The dominant filing sentiment for Tecogen Inc. is neutral.

Filing Type Overview

Tecogen Inc. (TGEN) has filed 2 4, 26 8-K, 5 10-Q, 1 S-1/A, 1 S-1, 2 DEF 14A, 2 10-K with the SEC between Jan 2024 to Apr 2026.

Filings by Year

2026 · 2025 · 2024

Recent SEC Filings (39)

Tecogen Inc. SEC Filing History
DateFormDescriptionRisk
Apr 8, 20268-KTECOGEN INC. Extends Advisory Agreementlow
Mar 23, 20264TECOGEN Insider Deschenes Reports Ownership Change
Mar 23, 20264TECOGEN: John Hatsopoulos Files Form 4 on March 23, 2026
Nov 13, 202510-QTecogen's Revenue Soars 31.5%, But Losses Widen Amid Strategic Shiftsmedium
Nov 12, 20258-KTECOGEN INC. Files 8-K on Financials and Operationslow
Sep 17, 20258-KTECOGEN INC. Files 8-K for Regulation FD and Exhibitslow
Sep 4, 20258-KTECOGEN INC. Files 8-K Reportlow
Aug 13, 202510-QTecogen's Product Sales Soar, But Cash Drains Amidst Continued Losseshigh
Aug 12, 20258-KTECOGEN INC. Files 8-K on Financialslow
Jul 28, 20258-KTECOGEN INC. Reports Director Changes and Compensatory Arrangementslow
Jul 21, 20258-KTECOGEN INC. Files 8-K Reportlow
Jul 18, 20258-KTECOGEN INC. Files 8-K for Material Agreementmedium
Jul 16, 2025S-1/ATecogen Files S-1/A for Public Offering, Eyes Market Debutmedium
Jul 15, 2025S-1Tecogen Files S-1 for Public Offering, Eyes Market Expansionmedium
Jun 10, 20258-KTECOGEN INC. Files 8-K on Security Holder Vote Matterslow
May 13, 202510-QTecogen Inc. Files Q1 2025 10-Qlow
May 12, 20258-KTECOGEN INC. Files 8-K: Financials and Operations Updatelow
May 2, 20258-KTECOGEN INC. Signs Material Definitive Agreementmedium
May 1, 20258-KTECOGEN INC. Files 8-K: Regulation FD & Exhibitslow
Apr 29, 2025DEF 14ATecogen Inc. Executive Compensation Details Revealedlow

Risk Profile

Risk Assessment: Of TGEN's 35 recent filings, 1 were flagged as high-risk, 13 as medium-risk, and 21 as low-risk. The overall risk profile suggests relatively low risk with generally favorable filings.

Financial Highlights

Tecogen Inc. Financial Summary (10-Q, Nov 13, 2025)
MetricValue
Revenue$21,755,712
Net Income($4,252,710)
EPSN/A
Debt-to-Equity0.64
Cash Position$15,253,975
Operating Margin-57.1%
Total Assets$41,464,288
Total Debt$10,712,848

Key Executives

  • Robert W. Lally
  • Robert J. Scanlon
  • John K. Whiting, IV, Esq.
  • Neil R.E. Carr, Esq.
  • M. Ali Panjwani, Esq.
  • Robert L. Cioffi
  • Dr. Robert L. Cioffi

Industry Context

Tecogen operates in the distributed generation and combined heat and power (CHP) market, providing clean and efficient energy solutions. The industry is influenced by energy prices, environmental regulations, and incentives for renewable and on-site power generation. Competitors range from large industrial conglomerates to specialized energy technology providers.

Top Tags

disclosure (5) · material-agreement (5) · Public Offering (4) · sec-filing (4) · 8-K (4) · financials (4) · operations (3) · regulatory-filing (3) · 8-k (3) · filing (3)

Key Numbers

Tecogen Inc. Key Metrics
MetricValueContext
Total Revenues$21.76MIncreased by 31.5% for the nine months ended September 30, 2025, from $16.54M in 2024.
Product Revenues$8.67MMore than doubled for the nine months ended September 30, 2025, from $3.00M in 2024.
Consolidated Net Loss($4.25M)Widened for the nine months ended September 30, 2025, from ($3.49M) in 2024.
Net Offering Proceeds$18.11MRaised from a follow-on public offering on July 21, 2025.
Cash and Cash Equivalents$15.25MIncreased significantly from $5.41M at December 31, 2024, due to the offering.
Net Cash Used in Operating Activities($7.34M)Indicates ongoing cash burn from operations for the nine months ended September 30, 2025.
General and Administrative Expenses$9.43MIncreased from $8.43M for the nine months ended September 30, 2024.
Common Stock Shares Outstanding29,846,479As of November 13, 2025, reflecting dilution from the follow-on offering.
SEC File Number001-36103Company's SEC filing identifier
IRS Employer Identification No.04-3536131Company's tax identification number
Net Proceeds from Public Offering$18,160,750Received on July 21, 2025, after the reporting period
Shares of Common Stock Outstanding29,690,798As of August 12, 2025
Primary Standard Industrial Classification Code3585Represents the Air Cond & Warm Air Heating Equip & Comm & Indl Refrig Equip industry for Tecogen Inc.
IRS Employer Identification Number04-3536131Identifies Tecogen Inc. for tax purposes.
Filing Date2025-07-16T00:00:00.000ZDate the S-1/A was filed with the SEC.

Frequently Asked Questions

What are the latest SEC filings for Tecogen Inc. (TGEN)?

Tecogen Inc. has 39 recent SEC filings from Jan 2024 to Apr 2026, including 26 8-K, 5 10-Q, 2 4. Each filing includes an AI-generated plain-English summary.

What is the overall sentiment of TGEN filings?

Across 39 filings, the sentiment breakdown is: 1 bearish, 36 neutral, 2 mixed. The dominant sentiment is neutral.

Where can I find Tecogen Inc. SEC filings explained simply?

ReadTheFiling provides AI-powered plain-English summaries of all Tecogen Inc. (TGEN) SEC filings, including 10-K annual reports, 10-Q quarterly reports, 8-K current reports, and insider trades.

What are the key financial highlights for Tecogen Inc.?

Key financial highlights from Tecogen Inc.'s most recent 10-Q include metrics such as revenue, net income, EPS, and debt ratios. Visit the filing detail page for the full breakdown.

What is the investment thesis for TGEN?

The investment thesis for TGEN includes bull, base, and bear case scenarios derived from AI analysis of recent SEC filings.

Who are the key executives at Tecogen Inc.?

Key executives identified across Tecogen Inc.'s filings include Robert W. Lally, Robert J. Scanlon, John K. Whiting, IV, Esq., Neil R.E. Carr, Esq., M. Ali Panjwani, Esq. and 2 others.

What are the main risk factors for Tecogen Inc. stock?

Of TGEN's 35 assessed filings, 1 were flagged high-risk, 13 medium-risk, and 21 low-risk.

What are recent predictions and forward guidance from Tecogen Inc.?

Forward guidance and predictions for Tecogen Inc. are extracted from SEC filings as they are enriched.

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