How many insider trades does FilingIQ track for TGEN?

FilingIQ tracks 238 Form 4 insider transactions for TGEN (TECOGEN INC.), covering filings from Jan 6, 2016 onwards. 11 of those were filed in the last 90 days.

Are TGEN insiders net buyers or net sellers?

Across the full Form 4 history for TGEN, 141 transactions (59%) were open-market purchases and 9 (4%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.

Where does TGEN insider data come from?

Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.

What sector is TGEN in?

TECOGEN INC. (TGEN) is classified in the Industrials sector, specifically Electrical Equipment & Parts, with a current market capitalisation of $107.90M.

TGEN insider trading

NYSE American Industrials

TECOGEN INC. — scored insider trade history from SEC Form 4 filings, parsed and contextualised by FilingIQ.

Total Form 4 trades

238

Last 90 days

Buys / sells

59% / 4%

Market cap

$107.90M

About TECOGEN INC.

Tecogen Inc., together with its subsidiaries, designs, manufactures, markets, and maintains cogeneration products for multi-family residential, commercial, recreational, and industrial use in the United States. It operates in three segments: Products, Services, and Energy Production. The Products segment designs, manufactures, and sells industrial and commercial cogeneration systems to hospitals and nursing homes, schools and universities, health clubs and spas, hotels and motels, office and retail buildings, food and beverage processors, multi-unit residential buildings, laundries, ice rinks, swimming pools, factories, municipal buildings, indoor agriculture, military installations, and indoor growing facilities. Its Services segment provides operations and maintenance services for its products under long term service contracts. The Energy Production segment installs, operates, and maintains distributed own generation electricity systems and sells the energy generated by such systems in the form of electricity, heat, hot water, and cooling to its customers under long-term energy sales agreements. The company also offers natural gas-powered cogeneration systems for water and space heating, and/or air conditioning. Its product portfolio includes InVerde e+ and TecoPower cogeneration units for the supply electricity and hot water; Tecochill, an air-conditioning and refrigeration chiller, and hybrid-drive air-cooled and gas engine-driven chiller to produce chilled water and hot water; Tecofrost, a gas engine-driven refrigeration compressor to circulate refrigerant and provide hot water as a byproduct; and Ultera, an emissions control technology. It sells its products through in-house marketing, as well as independent sales agents and representatives. Tecogen Inc. was incorporated in 2000 and is headquartered in North Billerica, Massachusetts.

Company website: www.tecogen.com

TGEN insider activity at a glance

FilingIQ has scored 238 insider transactions for TGEN since Jan 6, 2016. The most recent filing in our index is dated Apr 24, 2026.

Across the full history, 141 open-market purchases and 9 open-market sales were filed under transaction codes P and S respectively. Compensatory share awards (code A) and option exercises (code M) are tracked separately and not counted here.

The average FilingIQ composite score on TGEN insider trades is 49.3/100, produced by FilingIQ's multi-factor Form 4 model. Model framework documented at methodology.

View live TGEN trades on FilingIQ Raw filings on SEC EDGAR

Latest TGEN Form 4 filings

Lafaille Stephen VP of Business Development

S Jun 6, 2025

Most recent disclosures. Sign up to filter by score, transaction code, or insider role.

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Frequently asked

How many insider trades does FilingIQ track for TGEN?: FilingIQ tracks 238 Form 4 insider transactions for TGEN (TECOGEN INC.), covering filings from Jan 6, 2016 onwards. 11 of those were filed in the last 90 days.
Are TGEN insiders net buyers or net sellers?: Across the full Form 4 history for TGEN, 141 transactions (59%) were open-market purchases and 9 (4%) were open-market sales. Compensatory awards and option exercises are filtered out of these counts.
Where does TGEN insider data come from?: Every transaction shown on this page is sourced directly from SEC EDGAR Form 4 filings. FilingIQ parses the raw XML, normalises insider identity across reporting variations, and scores each trade on its multi-factor composite model.
What sector is TGEN in?: TECOGEN INC. (TGEN) is classified in the Industrials sector, specifically Electrical Equipment & Parts, with a current market capitalisation of $107.90M.

Methodology & sources

Every TGEN insider transaction shown on FilingIQ is parsed directly from a public SEC Form 4 XML filing. Insider identity is normalised across reporting variants (CIK changes, name spellings, related-party indirect holdings). The FilingIQ composite score is documented in full on the team page and algo disclosure. Not investment advice; see disclaimer.