# Tecogen Inc. (TGEN)

Source: https://www.quantisnow.com/company/TGEN
Generated: 2026-11-14T15:07:51.432Z

- Ticker: TGEN
- Exchange: AMEX
- Sector: Industrials
- Industry: Industrial Machinery/Components
- IPO year: 2025
- SEC CIK: 0001537435

## Latest TGEN news and filings

- 2026-11-12 17:05 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-tecogen-inc-6787241)
- 2026-11-12 13:59 UTC [SEC Form 8-K] [Tecogen Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/tecogen-inc-filed-sec-form-8-k-results-of-operations-and-6786767)
- 2026-11-11 22:20 UTC [Market Insight] [Tecogen Reports Third Quarter 2026 Financial Results](https://www.quantisnow.com/insight/tecogen-reports-third-quarter-2026-financial-results-6785529)
- 2026-11-04 22:00 UTC [Market Insight] [Tecogen Schedules Earnings Release Date and Conference Call for Q3 2026 Results](https://www.quantisnow.com/insight/tecogen-schedules-earnings-release-date-and-conference-call-for-q3-6773424)
- 2026-10-14 16:20 UTC [Market Insight] [Data Center Cuts Electric Bills Substantially with Tecogen's InVerde](https://www.quantisnow.com/insight/data-center-cuts-electric-bills-substantially-with-tecogens-inverde-6746332)
- 2026-10-14 16:02 UTC [SEC Form 8-K] [SEC Form 8-K filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-8-k-filed-by-tecogen-inc-6746325)
- 2026-09-08 21:12 UTC [SEC Form 4] [Amendment: VP of Business Development Lafaille Stephen was granted 29,013 shares, increasing direct ownership by 234% to 41,389 units (SEC Form 4)](https://www.quantisnow.com/insight/amendment-vp-of-business-development-lafaille-stephen-was-granted-29013-6708699)
- 2026-09-08 21:11 UTC [SEC Form 4] [Amendment: General Counsel & Secretary Whiting John Kimball Iv was granted 19,342 shares, increasing direct ownership by 86% to 41,954 units (SEC Form 4)](https://www.quantisnow.com/insight/amendment-general-counsel-secretary-whiting-john-kimball-iv-was-granted-6708696)
- 2026-09-08 21:11 UTC [SEC Form 4] [Amendment: COO and President Panora Robert was granted 9,671 shares, increasing direct ownership by 15% to 72,194 units (SEC Form 4)](https://www.quantisnow.com/insight/amendment-coo-and-president-panora-robert-was-granted-9671-shares-6708694)
- 2026-09-08 21:10 UTC [SEC Form 4] [Amendment: Chief Financial Officer Deschenes Roger P. was granted 29,013 shares, increasing direct ownership by 55% to 81,975 units (SEC Form 4)](https://www.quantisnow.com/insight/amendment-chief-financial-officer-deschenes-roger-p-was-granted-29013-6708693)
- 2026-09-08 21:08 UTC [SEC Form 4] [Amendment: Chief Executive Officer Rangesh Abinand was granted 174,081 shares, increasing direct ownership by 259% to 241,274 units (SEC Form 4)](https://www.quantisnow.com/insight/amendment-chief-executive-officer-rangesh-abinand-was-granted-174081-shares-6708665)
- 2026-09-04 14:15 UTC [SEC Form 424B3] [SEC Form 424B3 filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-424b3-filed-by-tecogen-inc-6706398)
- 2026-09-04 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-tecogen-inc-6706139)
- 2026-09-02 04:15 UTC [SEC Form EFFECT] [SEC Form EFFECT filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-effect-filed-by-tecogen-inc-6702151)
- 2026-09-01 15:07 UTC [SEC Form POS AM filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-pos-am-filed-by-tecogen-inc-6700994)
- 2026-08-31 21:24 UTC [SEC Form S-3] [SEC Form S-3 filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-s-3-filed-by-tecogen-inc-6700104)
- 2026-08-31 21:23 UTC [SEC Form 8-K] [Tecogen Inc. filed SEC Form 8-K: Other Events](https://www.quantisnow.com/insight/tecogen-inc-filed-sec-form-8-k-other-events-6700100)
- 2026-08-31 21:22 UTC [SEC Form S-1] [Amendment: SEC Form S-1/A filed by Tecogen Inc.](https://www.quantisnow.com/insight/amendment-sec-form-s-1a-filed-by-tecogen-inc-6700090)
- 2026-08-13 17:59 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-tecogen-inc-6679948)
- 2026-08-12 21:00 UTC [Market Insight] [Tecogen Reports Second Quarter 2026 Financial Results](https://www.quantisnow.com/insight/tecogen-reports-second-quarter-2026-financial-results-6678456)
- 2026-08-12 20:58 UTC [SEC Form 8-K] [Tecogen Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/tecogen-inc-filed-sec-form-8-k-results-of-operations-and-6678425)
- 2026-07-31 20:45 UTC [Market Insight] [Tecogen Schedules Earnings Release Date and Conference Call for Q2 2026 Results](https://www.quantisnow.com/insight/tecogen-schedules-earnings-release-date-and-conference-call-for-q2-6658098)
- 2026-07-06 12:30 UTC [Market Insight] [Tecogen Business Update](https://www.quantisnow.com/insight/tecogen-business-update-6627395)
- 2026-07-01 13:15 UTC [SEC Form 8-K] [Tecogen Inc. filed SEC Form 8-K: Leadership Update](https://www.quantisnow.com/insight/tecogen-inc-filed-sec-form-8-k-leadership-update-6622207)
- 2026-07-01 00:36 UTC [SEC Form 4] [General Counsel & Secretary Whiting John Kimball Iv was granted 19,342 shares (SEC Form 4)](https://www.quantisnow.com/insight/general-counsel-secretary-whiting-john-kimball-iv-was-granted-19342-6621510)
- 2026-07-01 00:36 UTC [SEC Form 4] [VP of Business Development Lafaille Stephen was granted 29,013 shares (SEC Form 4)](https://www.quantisnow.com/insight/vp-of-business-development-lafaille-stephen-was-granted-29013-shares-6621509)
- 2026-07-01 00:35 UTC [SEC Form 4] [CAO Deschenes Roger P. was granted 29,013 shares (SEC Form 4)](https://www.quantisnow.com/insight/cao-deschenes-roger-p-was-granted-29013-shares-sec-form-6621508)
- 2026-07-01 00:35 UTC [SEC Form 4] [COO and President Panora Robert was granted 9,671 shares (SEC Form 4)](https://www.quantisnow.com/insight/coo-and-president-panora-robert-was-granted-9671-shares-sec-6621507)
- 2026-07-01 00:34 UTC [SEC Form 4] [Chief Executive Officer Rangesh Abinand was granted 174,081 shares (SEC Form 4)](https://www.quantisnow.com/insight/chief-executive-officer-rangesh-abinand-was-granted-174081-shares-sec-6621506)
- 2026-07-01 00:34 UTC [SEC Form 4] [SEC Form 4 filed by Director Hirsch Susan B](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-hirsch-susan-b-6621504)
- 2026-07-01 00:33 UTC [SEC Form 4] [SEC Form 4 filed by Director Albertine John M](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-albertine-john-m-6621503)
- 2026-07-01 00:32 UTC [SEC Form 4] [SEC Form 4 filed by Director Lewis Earl](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-lewis-earl-6621502)
- 2026-07-01 00:32 UTC [SEC Form 4] [SEC Form 4 filed by Director Ghoniem Ahmed](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-ghoniem-ahmed-6621501)
- 2026-07-01 00:30 UTC [SEC Form 4] [SEC Form 4 filed by Director Galiteva Angelina](https://www.quantisnow.com/insight/sec-form-4-filed-by-director-galiteva-angelina-6621499)
- 2026-06-10 21:59 UTC [SEC Form SCHEDULE 13G filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-schedule-13g-filed-by-tecogen-inc-6597743)
- 2026-06-05 20:01 UTC [SEC Form 8-K] [Tecogen Inc. filed SEC Form 8-K: Submission of Matters to a Vote of Security Holders](https://www.quantisnow.com/insight/tecogen-inc-filed-sec-form-8-k-submission-of-matters-to-6591066)
- 2026-05-13 14:46 UTC [SEC Form 10-Q] [SEC Form 10-Q filed by Tecogen Inc.](https://www.quantisnow.com/insight/sec-form-10-q-filed-by-tecogen-inc-6550240)
- 2026-05-12 21:55 UTC [Market Insight] [Tecogen Reports First Quarter 2026 Financial Results](https://www.quantisnow.com/insight/tecogen-reports-first-quarter-2026-financial-results-6549057)
- 2026-05-12 21:15 UTC [SEC Form 8-K] [Tecogen Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Regulation FD Disclosure, Financial Statements and Exhibits](https://www.quantisnow.com/insight/tecogen-inc-filed-sec-form-8-k-results-of-operations-and-6548890)
- 2026-04-27 13:30 UTC [Insider Buy] [Director Ghoniem Ahmed bought $10,000 worth of shares (12,723 units at $0.79) (SEC Form 4)](https://www.quantisnow.com/insight/director-ghoniem-ahmed-bought-10000-worth-of-shares-12723-units-6515886)

## More

- Live page with ratings, short volume, options and peers: https://www.quantisnow.com/company/TGEN
- Earnings history: https://www.quantisnow.com/earnings/TGEN
- Dividend history: https://www.quantisnow.com/dividends/TGEN
- Insider transactions: https://www.quantisnow.com/insiders/TGEN
- Options chain: https://www.quantisnow.com/options/TGEN
- SEC 8-K filings only: https://www.quantisnow.com/company/TGEN/8-k
- RSS and alerts for TGEN: https://www.quantisnow.com/docs/rss-feeds.md