John Hatsopoulos - Net Worth and Insider Trading
John Hatsopoulos Net Worth
The estimated net worth of John Hatsopoulos is at least $2 Million dollars as of 2024-12-28. John Hatsopoulos is the Director of Tecogen Inc and owns about 988,951 shares of Tecogen Inc (TGEN) stock worth over $1 Million. John Hatsopoulos is the Director of Eurosite Power Inc and owns about 7,454,145 shares of Eurosite Power Inc (EUSP) stock worth over $372,707. John Hatsopoulos is also the Co-CEO of American DG Energy Inc and owns about 1,129,797 shares of American DG Energy Inc (ADGE) stock worth over $358,146. Besides these, John Hatsopoulos also holds Agenus Inc (AGEN) , Intellicheck Inc (IDN) . Details can be seen in John Hatsopoulos's Latest Holdings Summary section.
Disclaimer: The insider information is derived from SEC filings. The estimated net worth is based on the final shares held after open market or private purchases and sales of common stock with a transaction code of "P" or "S" on Form 4, assuming that John Hatsopoulos has not made any transactions after 2024-09-27 and currently still holds the listed stock(s). Please note that this estimate may not reflect the actual net worth.
Transaction Summary of John Hatsopoulos
John Hatsopoulos Insider Ownership Reports
Based on ownership reports from SEC filings, as the reporting owner, John Hatsopoulos owns 6 companies in total, including Tecogen Inc (TGEN) , American DG Energy Inc (ADGE) , and Eurosite Power Inc (EUSP) among others .
Click here to see the complete history of John Hatsopoulos’s form 4 insider trades.
Insider Ownership Summary of John Hatsopoulos
| Ticker | Comapny | Transaction Date | Type of Owner |
|---|---|---|---|
| TGEN | Tecogen Inc | 2024-09-27 | director & 10 percent owner & Chief Executive Officer |
| ADGE | American DG Energy Inc | 2017-05-23 | director & Co-Chief Executive Officer |
| EUSP | Eurosite Power Inc | 2016-12-13 | other: No longer a 10% owner |
 | | 2007-06-07 | director |
| | 2010-07-20 | director |
| | 2004-11-17 | director |
John Hatsopoulos Latest Holdings Summary
John Hatsopoulos currently owns a total of 5 stocks. Among these stocks, John Hatsopoulos owns 988,951 shares of Tecogen Inc (TGEN) as of September 27, 2024, with a value of $1 Million and a weighting of 66.1%. John Hatsopoulos owns 7,454,145 shares of Eurosite Power Inc (EUSP) as of May 12, 2016, with a value of $372,707 and a weighting of 17.18%. John Hatsopoulos also owns 1,129,797 shares of American DG Energy Inc (ADGE) as of December 9, 2015, with a value of $358,146 and a weighting of 16.51%. The other 2 stocks Agenus Inc (AGEN) , Intellicheck Inc (IDN) have a combined weighting of 0.2% among all his current holdings.
Latest Holdings of John Hatsopoulos
| Ticker | Comapny | Latest Transaction Date | Shares Owned | Current Price ($) | Current Value ($) |
|---|---|---|---|---|---|
| TGEN | Tecogen Inc | 2024-09-27 | 988,951 | 1.45 | 1,433,979 |
| EUSP | Eurosite Power Inc | 2016-05-12 | 7,454,145 | 0.05 | 372,707 |
| ADGE | American DG Energy Inc | 2015-12-09 | 1,129,797 | 0.32 | 358,146 |
| AGEN | Agenus Inc | 2007-06-07 | 833 | 2.75 | 2,291 |
| IDN | Intellicheck Inc | 2004-11-17 | 750 | 2.83 | 2,123 |
Holding Weightings of John Hatsopoulos
John Hatsopoulos Form 4 Trading Tracker
According to the SEC Form 4 filings, John Hatsopoulos has made a total of 62 transactions in Tecogen Inc (TGEN) over the past 5 years, including 62 buys and 0 sells. The most-recent trade in Tecogen Inc is the acquisition of 10,000 shares on September 27, 2024, which cost John Hatsopoulos around $8,400.
According to the SEC Form 4 filings, John Hatsopoulos has made a total of 0 transactions in Eurosite Power Inc (EUSP) over the past 5 years. The most-recent trade in Eurosite Power Inc is the acquisition of 1,739,130 shares on May 12, 2016, which cost John Hatsopoulos around $1 Million.
According to the SEC Form 4 filings, John Hatsopoulos has made a total of 0 transactions in American DG Energy Inc (ADGE) over the past 5 years. The most-recent trade in American DG Energy Inc is the acquisition of 42,507 shares on December 9, 2015, which cost John Hatsopoulos around $21,254.
More details on John Hatsopoulos's insider transactions can be found in the Insider Trading History of John Hatsopoulos table.Insider Trading History of John Hatsopoulos
- 1
John Hatsopoulos Trading Performance
GuruFocus tracks the stock performance after each of John Hatsopoulos's buying transactions within different timeframes. To be detailed, the average return of stocks after 3 months bought by John Hatsopoulos is 0.05%. GuruFocus also compares John Hatsopoulos's trading performance to market benchmark return within the same time period. The performance of stocks bought by John Hatsopoulos within 3 months outperforms 41 times out of 114 transactions in total compared to the return of S&P 500 within the same period.
You can select different timeframes to see how John Hatsopoulos's insider trading performs compared to the benchmark.
Performance of John Hatsopoulos
Average Return
Outperforming Transactions
| 1 Month | 3 Months | 6 Months | 1 Year | 2 Years | 3 Years | |
|---|---|---|---|---|---|---|
| Return(%) | 2.88 | | | | | |
| Relative Return to S&P 500(%) | 1.69 | | | | | |
John Hatsopoulos Ownership Network
John Hatsopoulos Owned Company Details
What does Tecogen Inc do?
Who are the key executives at Tecogen Inc?
John Hatsopoulos is the director & 10 percent owner & Chief Executive Officer of Tecogen Inc. Other key executives at Tecogen Inc include director & Chief Financial Officer Abinand Rangesh , 10 percent owner & other: Trustee Pacheco Ann Marie Brown , and Co-CEO Locke M. Benjamin .
Tecogen Inc (TGEN) Insider Trades Summary
Over the past 18 months, John Hatsopoulos made 37 insider transaction in Tecogen Inc (TGEN) with a net purchase of 534,720. Other recent insider transactions involving Tecogen Inc (TGEN) include a net purchase of 204,652 shares made by Earl R Lewis , a net purchase of 5,000 shares made by Susan B Hirsch , and a net purchase of 1,001 shares made by Abinand Rangesh .
In summary, during the past 3 months, insiders sold 0 shares of Tecogen Inc (TGEN) in total and bought 100,000 shares, with a net purchase of 100,000 shares. During the past 18 months, 0 shares of Tecogen Inc (TGEN) were sold and 745,373 shares were bought by its insiders, resulting in a net purchase of 745,373 shares.
Tecogen Inc (TGEN)'s detailed insider trading history can be found in Insider Trading Tracker table.
Tecogen Inc Insider Transactions
John Hatsopoulos Mailing Address
Above is the net worth, insider trading, and ownership report for John Hatsopoulos. You might contact John Hatsopoulos via mailing address: 85 First Avenue, Waltham Ma 02451.
We'd love to learn more about your experiences on GuruFocus.com and how we can improve!
Take Survey
