NYSEMKT: TGEN
Tecogen Inc Stock Ownership - Who owns Tecogen?

Insider buying vs selling

Have Tecogen Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Earl R. LewisDirector2025-05-066,250$1.10
$6.88kBuy
Earl R. LewisDirector2025-05-0612,500$1.20
$15.00kBuy
Earl R. LewisDirector2025-05-0615,000$1.75
$26.25kBuy
Earl R. LewisDirector2025-05-01240,256$2.14
$514.15kBuy
Earl R. LewisDirector2024-11-22100,000$0.71
$71.00kBuy
Earl R. LewisDirector2024-11-22100,000$0.71
$71.00kBuy
John HatsopoulosDirector2024-09-2710,000$0.84
$8.38kBuy
John HatsopoulosDirector2024-09-2510,000$0.86
$8.60kBuy
John HatsopoulosDirector2024-08-1910,000$0.90
$8.95kBuy
Earl R. LewisDirector2024-07-1510,000$0.68
$6.80kBuy

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Net Insider Buy/Sell (L12M) Ownership

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TGEN Shareholders

What type of owners hold Tecogen Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ann Marie Brown Pacheco14.81%3,700,864$12.01MInsider
George N. Hatsopoulos14.43%3,605,541$11.70MInsider
Yiannis Monovoukas10.48%2,617,905$8.50MInsider
Earl R. Lewis6.55%1,636,006$5.31MInsider
John Hatsopoulos4.26%1,064,513$3.46MInsider
Susan B. Hirsch1.00%250,416$812.85kInsider
Charlest Maxwell0.90%224,590$729.02kInsider
Robert A. Panora0.56%138,850$450.71kInsider
Angelina Galiteva0.20%50,000$162.30kInsider
Ahmed Ghoniem0.10%25,000$81.15kInsider

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TGEN vs Electrical Equipment & Part Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TGEN0.00%53.46%Net BuyingNet Buying
OPTT5.26%3.00%Net Selling
FCEL16.44%83.56%Net Buying
ULBI25.79%74.21%Net Buying
CBAT2.06%40.18%

Tecogen Stock Ownership FAQ

Who owns Tecogen?

Tecogen (NYSEMKT: TGEN) is owned by 0.00% institutional shareholders, 53.46% Tecogen insiders, and 46.54% retail investors. Ann Marie Brown Pacheco is the largest individual Tecogen shareholder, owning 3.70M shares representing 14.81% of the company. Ann Marie Brown Pacheco's Tecogen shares are currently valued at $11.95M.

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