MetaCap

Tecogen Insider Trades

NYSE: TGENIndustrialsIndustrial Machinery/ComponentsUSD

2.42-0.05 (-2.02%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Last 12 months

Purchases
8 · $134.05K
Sales
0 · $0
Shares bought / sold
60.72K / 0
Net activity
Net buying $134,049

Tecogen insider activity

Over the last 12 months, Tecogen insiders reported 19 transactions on SEC Form 4: 8 open-market purchases and 0 sales. Insiders bought $134,049 and sold $0 worth of stock, for net insider buying of $134,049. The most recent filing shows Lafaille Stephen (VP of Business Development) reporting a transaction in 29,013 shares on Jun 26, 2026.

Insider sales are common for compensation, tax and diversification reasons, while open-market purchases are rarer; tracking both helps put TGEN's ownership changes in context.

Summary generated from market data by MetaCap's automated system. Methodology

TGEN insider transactions

Tecogen insider transactions
DateInsiderTypeSharesValueFiling
Jun 26, 2026Rangesh AbinandChief Executive OfficerAward174,081—Form 4
Jun 26, 2026Lafaille StephenVP of Business DevelopmentAward29,013—Form 4
Jun 26, 2026Deschenes Roger P.CAOAward29,013—Form 4
Jun 26, 2026Panora RobertCOO and PresidentAward9,671—Form 4
Jun 26, 2026Whiting John Kimball IVGeneral Counsel & SecretaryAward19,342—Form 4
Jun 26, 2026Rangesh AbinandChief Executive OfficerAward174,081—Form 4
Jun 26, 2026Deschenes Roger P.Chief Financial OfficerAward29,013—Form 4
Jun 26, 2026Panora RobertCOO and PresidentAward9,671—Form 4
Jun 26, 2026Whiting John Kimball IVGeneral Counsel & SecretaryAward19,342—Form 4
Jun 26, 2026Lafaille StephenVP of Business DevelopmentAward29,013—Form 4
Apr 24, 2026Ghoniem AhmedDirectorBuy12,723$10.00KForm 4
Apr 13, 2026Hirsch Susan BDirectorBuy5,000$18.65KForm 4
Mar 27, 2026Hirsch Susan BDirectorBuy10,000$25.40KForm 4
Mar 27, 2026Lewis EarlDirectorBuy5,000$12.60KForm 4
Mar 26, 2026Lewis EarlDirectorBuy5,000$14.41KForm 4
Mar 23, 2026Whiting John Kimball IVGeneral Counsel & SecretaryBuy10,000$23.80KForm 4
Mar 20, 2026Hatsopoulos JohnDirectorOption exercise50,000$44.00KForm 4
Mar 20, 2026Rangesh AbinandChief Executive OfficerBuy3,000$6.89KForm 4
Mar 20, 2026Deschenes Roger P.CAOBuy10,000$22.30KForm 4
Jul 24, 2025Lafaille StephenVP of Business DevelopmentAward11,976—Form 4
Jul 24, 2025Rangesh AbinandChief Executive OfficerAward53,892—Form 4
Jul 24, 2025Deschenes Roger P.CAOAward17,964—Form 4
Jul 24, 2025Whiting John Kimball IVGeneral Counsel & SecretaryAward11,976—Form 4
Jun 24, 2025PANORA ROBERT ACOO and PresidentSale900$6.17KForm 4
Jun 23, 2025Lafaille StephenVP of Business DevelopmentSale10,000$72.50KForm 4
Jun 23, 2025Lafaille StephenVP of Business DevelopmentOption exercise10,000$11.00KForm 4
Jun 23, 2025PANORA ROBERT ACOO and PresidentSale31,800$202.25KForm 4
Jun 18, 2025PANORA ROBERT ACOO and PresidentSale13,000$65.39KForm 4
Jun 16, 2025PANORA ROBERT ACOO and PresidentOption exercise52,500$57.75KForm 4
Jun 16, 2025PANORA ROBERT ACOO and PresidentOption exercise30,000$21.30KForm 4
Jun 16, 2025PANORA ROBERT ACOO and PresidentOption exercise12,723$10.05KForm 4
Jun 16, 2025PANORA ROBERT ACOO and PresidentOption exercise52,500$57.75KForm 4
Jun 16, 2025PANORA ROBERT ACOO and PresidentOption exercise30,000$21.30KForm 4
Jun 16, 2025PANORA ROBERT ACOO and PresidentOption exercise12,723$10.00KForm 4
Jun 6, 2025Lafaille StephenVP of Business DevelopmentSale25,000$149.50KForm 4
Jun 6, 2025Lafaille StephenVP of Business DevelopmentOption exercise25,000$27.50KForm 4
Jun 4, 2025Lafaille StephenVP of Business DevelopmentSale15,000$75.00KForm 4
Jun 4, 2025Lafaille StephenVP of Business DevelopmentOption exercise15,000$10.65KForm 4
Jun 4, 2025PANORA ROBERT ACOO and PresidentSale31,000$155.00KForm 4
Jun 3, 2025Lafaille StephenVP of Business DevelopmentSale10,000$48.80KForm 4
Jun 3, 2025Lafaille StephenVP of Business DevelopmentOption exercise10,000$7.10KForm 4
Jun 3, 2025PANORA ROBERT ACOO and PresidentSale26,000$121.94KForm 4
May 27, 2025PANORA ROBERT ACOO and PresidentOption exercise70,000$49.70KForm 4
May 6, 2025LEWIS EARL RDirectorOption exercise6,250$6.88KForm 4
May 6, 2025LEWIS EARL RDirectorOption exercise12,500$15.00KForm 4
May 6, 2025LEWIS EARL RDirectorOption exercise15,000$26.25KForm 4
May 1, 2025LEWIS EARL RDirectorother240,256$514.15KForm 4
Mar 3, 2025Lafaille StephenVP of Business DevelopmentBuy400$1.00KForm 4

Transaction codes follow SEC Form 4: P = open-market purchase, S = open-market sale, A = grant or award, M = option exercise, F = shares withheld for taxes. About Form 4

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