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

Insider buying vs selling

Have Tecogen Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Robert A. PanoraCOO and President2025-06-24900$6.86
$6.17kSell
Stephen LafailleVP of Business Development2025-06-2310,000$7.25
$72.50kSell
Stephen LafailleVP of Business Development2025-06-2310,000$1.10
$11.00kBuy
Robert A. PanoraCOO and President2025-06-2331,800$6.36
$202.25kSell
Robert A. PanoraCOO and President2025-06-1813,000$5.03
$65.39kSell
Robert A. PanoraCOO and President2025-06-1612,723$0.79
$10.05kBuy
Robert A. PanoraCOO and President2025-06-1630,000$0.71
$21.30kBuy
Robert A. PanoraCOO and President2025-06-1652,500$1.10
$57.75kBuy
Robert A. PanoraCOO and President2025-06-1652,500$1.10
$57.75kBuy
Robert A. PanoraCOO and President2025-06-1630,000$0.71
$21.30kBuy

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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 Pacheco12.46%3,700,864$32.38MInsider
George N. Hatsopoulos12.14%3,605,541$31.55MInsider
Yiannis Monovoukas8.82%2,617,905$22.91MInsider
Earl R. Lewis5.51%1,636,006$14.32MInsider
John Hatsopoulos3.59%1,064,513$9.31MInsider
Vanguard Group Inc2.78%825,643$7.22MInstitution
Bard Associates Inc2.10%623,582$5.46MInstitution
Clear Harbor Asset Management LLC2.05%610,000$5.34MInstitution
Portolan Capital Management LLC1.57%465,571$4.07MInstitution
Herald Investment Management Ltd1.08%321,078$2.81MInstitution

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TGEN vs Electrical Equipment & Part Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TGEN13.02%45.14%Net BuyingNet Selling
FCEL10.69%89.31%Net Buying
ELVA17.23%0.00%
TE46.18%31.59%Net SellingNet Selling
NVX0.13%0.00%

Tecogen Stock Ownership FAQ

Who owns Tecogen?

Tecogen (NYSEMKT: TGEN) is owned by 13.02% institutional shareholders, 45.14% Tecogen insiders, and 41.84% retail investors. Ann Marie Brown Pacheco is the largest individual Tecogen shareholder, owning 3.70M shares representing 12.46% of the company. Ann Marie Brown Pacheco's Tecogen shares are currently valued at $32.38M.

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