{
  "name": "Tecogen Inc.",
  "legal_name": "TECOGEN INC.",
  "ticker": "TGEN",
  "tickers": [
    "TGEN"
  ],
  "cik": "0001537435",
  "page_url": "https://steadybase.io/company/tecogen-inc/",
  "markdown_url": "https://steadybase.io/company/tecogen-inc.md",
  "json_url": "https://steadybase.io/company/tecogen-inc.json",
  "as_of": "2026-11-10",
  "last_filed": "2026-08-31",
  "industry": {
    "sic": "3585",
    "description": "Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip"
  },
  "headquarters": {
    "city": "North Billerica",
    "state": "MA",
    "country": "US"
  },
  "exchanges": [
    "NYSE"
  ],
  "fiscal_year_end": "December 31",
  "filer_category": "Non-accelerated filer<br>Smaller reporting company",
  "state_of_incorporation": "DE",
  "website": "tecogen.com",
  "investor_relations_url": "https://ir.tecogen.com",
  "linkedin_company_url": "https://www.linkedin.com/company/tecogen",
  "summary": {
    "text": ", a Delaware corporation (together with its subsidiaries \"we\", \"our\", \"us\", \"Tecogen,\" or \"Company\") produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Our products supply electric power or mechanical power for cooling, while heat from the engine is recovered and purposefully used at a customer facility.",
    "section": "Item 1. Business",
    "period_end": "2025-12-31",
    "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000013/tgen-20251231.htm"
  },
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      "text": "Revenue: $27.1M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 19, 2026)."
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      "text": "Operating income: -$8.2M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 19, 2026)."
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      "text": "SG&A: $13.5M for the fiscal year ended Dec 31, 2025 (10-K filed Mar 19, 2026)."
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      "text": "Shares outstanding: 30,187,822 as of Aug 13, 2026 (10-Q filed Aug 13, 2026)."
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      "date": "2026-04-24",
      "filed": "2026-04-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000032/0001537435-26-000032-index.htm"
    },
    {
      "owner": "Susan B. Hirsch",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 5000,
      "value_usd": 18650,
      "date": "2026-04-13",
      "filed": "2026-04-14",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000182766326000004/0001827663-26-000004-index.htm"
    },
    {
      "owner": "Susan B. Hirsch",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 10000,
      "value_usd": 25400,
      "date": "2026-03-27",
      "filed": "2026-03-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000182766326000002/0001827663-26-000002-index.htm"
    },
    {
      "owner": "Earl Lewis",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 5000,
      "value_usd": 12600,
      "date": "2026-03-27",
      "filed": "2026-03-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000123042726000002/0001230427-26-000002-index.htm"
    },
    {
      "owner": "Earl Lewis",
      "role": "Director",
      "action": "bought",
      "code": "P",
      "shares": 5000,
      "value_usd": 14400,
      "date": "2026-03-26",
      "filed": "2026-03-27",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000024/0001537435-26-000024-index.htm"
    },
    {
      "owner": "John Kimball Whiting IV",
      "role": "General Counsel & Secretary",
      "action": "bought",
      "code": "P",
      "shares": 10000,
      "value_usd": 23800,
      "date": "2026-03-23",
      "filed": "2026-03-23",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000021/0001537435-26-000021-index.htm"
    },
    {
      "owner": "Roger P. Deschenes",
      "role": "CAO",
      "action": "bought",
      "code": "P",
      "shares": 10000,
      "value_usd": 22300,
      "date": "2026-03-20",
      "filed": "2026-03-23",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000020/0001537435-26-000020-index.htm"
    },
    {
      "owner": "Abinand Rangesh",
      "role": "Chief Executive Officer",
      "action": "bought",
      "code": "P",
      "shares": 3000,
      "value_usd": 6900,
      "date": "2026-03-20",
      "filed": "2026-03-23",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000019/0001537435-26-000019-index.htm"
    }
  ],
  "quotes": [],
  "latest_filings": [
    {
      "form": "8-K",
      "filed": "2026-10-14",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000092/tgen-20261014.htm"
    },
    {
      "form": "10-K",
      "filed": "2026-03-19",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000013/tgen-20251231.htm"
    },
    {
      "form": "10-Q",
      "filed": "2026-08-13",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000066/tgen-20260630.htm"
    },
    {
      "form": "DEF 14A",
      "filed": "2026-04-21",
      "source_url": "https://www.sec.gov/Archives/edgar/data/1537435/000153743526000029/tgen-20260417.htm"
    }
  ],
  "source": "SEC EDGAR filings, read by Steadybase. Every value links to the filing it came from."
}