- Corporate Officers - H
- Hatsopoulos John
Insider Trading History of Hatsopoulos John
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Hatsopoulos John since 2015.
This trader's CIK number is 1274775.
At the time of last reporting, Hatsopoulos John was the Officer of Tecogen Inc.. (stock ticker symbol TGEN).
Also see all insider trading activities at Tecogen Inc..
Note that in the past
Hatsopoulos John also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Tecogen Inc. (TGEN) by Hatsopoulos John
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | TGEN | 0 | $0 | 0 | $0 | 50,000 | $44,000 |
| 2024 | TGEN | 227,000 | $172,176 | 0 | $0 | 0 | $0 |
| 2023 | TGEN | 412,318 | $369,476 | 0 | $0 | 0 | $0 |
| 2022 | TGEN | 60,000 | $66,550 | 0 | $0 | 0 | $0 |
| 2020 | TGEN | 25,000 | $25,100 | 0 | $0 | 0 | $0 |
| 2016 | TGEN | 127,226 | $0 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Eurosite Power Inc (EUSP) by Hatsopoulos John
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | EUSP | 1,742,130 | $1,002,699 | 3,798,261 | $0 | 0 | $0 |
| 2015 | EUSP | 120,650 | $70,687 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at American Dg Energy Inc (ADGE) by Hatsopoulos John
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2015 | ADGE | 428,397 | $194,577 | 0 | $0 | 0 | $0 |
Insider trading activities at 3 companies by Hatsopoulos John:
1. Tecogen Inc. (TGEN)
2. Eurosite Power Inc (EUSP)
3. American Dg Energy Inc (ADGE)
Table 1. Insider trading of Tecogen Inc. (TGEN) by Hatsopoulos John
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-03-20 | TGEN | Option Ex | 50,000 | .88 | 44,000 |
| 2024-09-27 | TGEN | Buy | 10,000 | .84 | 8,380 |
| 2024-09-25 | TGEN | Buy | 10,000 | .86 | 8,600 |
| 2024-08-19 | TGEN | Buy | 10,000 | .90 | 8,950 |
| 2024-05-28 | TGEN | Buy | 1,265 | .80 | 1,012 |
| 2024-05-29 | TGEN | Buy | 10,000 | .80 | 8,000 |
| 2024-05-24 | TGEN | Buy | 8,735 | .80 | 6,988 |
| 2024-05-22 | TGEN | Buy | 3,200 | .79 | 2,528 |
| 2024-05-21 | TGEN | Buy | 13,800 | .79 | 10,902 |
| 2024-05-16 | TGEN | Buy | 3,000 | .75 | 2,247 |
| 2024-05-15 | TGEN | Buy | 10,000 | .74 | 7,400 |
| 2024-04-24 | TGEN | Buy | 5,000 | .67 | 3,355 |
| 2024-04-23 | TGEN | Buy | 6,000 | .68 | 4,086 |
| 2024-04-15 | TGEN | Buy | 1,000 | .70 | 700 |
| 2024-04-16 | TGEN | Buy | 1,000 | .68 | 679 |
| 2024-04-12 | TGEN | Buy | 1,000 | .70 | 700 |
| 2024-04-11 | TGEN | Buy | 1,000 | .70 | 700 |
| 2024-04-09 | TGEN | Buy | 1,000 | .70 | 700 |
| 2024-04-08 | TGEN | Buy | 1,000 | .70 | 700 |
| 2024-04-01 | TGEN | Buy | 5,612 | .70 | 3,928 |
| 2024-03-28 | TGEN | Buy | 2,388 | .70 | 1,671 |
| 2024-03-27 | TGEN | Buy | 2,000 | .70 | 1,400 |
| 2024-01-22 | TGEN | Buy | 10,000 | .77 | 7,700 |
| 2024-01-18 | TGEN | Buy | 10,000 | .73 | 7,350 |
| 2024-01-16 | TGEN | Buy | 100,000 | .73 | 73,500 |
| 2023-12-27 | TGEN | Buy | 25,000 | .80 | 20,000 |
| 2023-12-22 | TGEN | Buy | 25,000 | .80 | 20,000 |
| 2023-12-14 | TGEN | Buy | 50,000 | .86 | 42,900 |
| 2023-11-20 | TGEN | Buy | 4,000 | .84 | 3,380 |
| 2023-11-14 | TGEN | Buy | 100 | .84 | 84 |
| 2023-10-17 | TGEN | Buy | 50,000 | .80 | 40,000 |
| 2023-10-12 | TGEN | Buy | 50,000 | .80 | 40,000 |
| 2023-09-29 | TGEN | Buy | 2,000 | .98 | 1,960 |
| 2023-09-27 | TGEN | Buy | 1,380 | .91 | 1,255 |
| 2023-09-26 | TGEN | Buy | 2,000 | .92 | 1,840 |
| 2023-09-19 | TGEN | Buy | 5,000 | .91 | 4,550 |
| 2023-09-07 | TGEN | Buy | 200 | 1.00 | 200 |
| 2023-09-05 | TGEN | Buy | 10,000 | .97 | 9,700 |
| 2023-08-22 | TGEN | Buy | 5,000 | 1.12 | 5,600 |
| 2023-08-17 | TGEN | Buy | 4,674 | 1.04 | 4,856 |
| 2023-08-15 | TGEN | Buy | 5,000 | 1.00 | 5,000 |
| 2023-08-15 | TGEN | Buy | 5,000 | 1.00 | 5,000 |
| 2023-08-17 | TGEN | Buy | 4,674 | 1.04 | 4,856 |
| 2023-08-17 | TGEN | Buy | 4,674 | 1.04 | 4,856 |
| 2023-08-15 | TGEN | Buy | 5,000 | 1.00 | 5,000 |
| 2023-08-17 | TGEN | Buy | 4,674 | 1.04 | 4,856 |
| 2023-08-15 | TGEN | Buy | 5,000 | 1.00 | 5,000 |
| 2023-08-17 | TGEN | Buy | 4,674 | 1.04 | 4,856 |
| 2023-08-15 | TGEN | Buy | 5,000 | 1.00 | 5,000 |
| 2023-06-26 | TGEN | Buy | 1,000 | .96 | 960 |
| 2023-06-20 | TGEN | Buy | 3,000 | 1.00 | 3,000 |
| 2023-06-15 | TGEN | Buy | 5,000 | 1.11 | 5,550 |
| 2023-06-08 | TGEN | Buy | 500 | 1.09 | 546 |
| 2023-06-07 | TGEN | Buy | 10,000 | 1.00 | 9,990 |
| 2023-06-06 | TGEN | Buy | 7,000 | 1.00 | 7,000 |
| 2023-06-06 | TGEN | Buy | 1,000 | 1.14 | 1,140 |
| 2023-06-02 | TGEN | Buy | 1,000 | 1.09 | 1,090 |
| 2023-05-26 | TGEN | Buy | 1,000 | 1.17 | 1,170 |
| 2023-05-25 | TGEN | Buy | 1,000 | 1.17 | 1,170 |
| 2023-05-23 | TGEN | Buy | 1,000 | 1.17 | 1,170 |
| 2023-05-15 | TGEN | Buy | 3,649 | 1.00 | 3,645 |
| 2023-03-28 | TGEN | Buy | 17,700 | 1.00 | 17,700 |
| 2023-03-27 | TGEN | Buy | 11,419 | 1.00 | 11,396 |
| 2023-03-24 | TGEN | Buy | 50,000 | .92 | 46,000 |
| 2023-03-21 | TGEN | Buy | 10,000 | .88 | 8,800 |
| 2023-03-20 | TGEN | Buy | 10,000 | .84 | 8,400 |
| 2022-10-19 | TGEN | Buy | 5,000 | 1.00 | 5,000 |
| 2022-10-17 | TGEN | Buy | 5,000 | .98 | 4,900 |
| 2022-10-10 | TGEN | Buy | 5,000 | .96 | 4,800 |
| 2022-10-11 | TGEN | Buy | 5,000 | .96 | 4,800 |
| 2022-09-08 | TGEN | Buy | 5,000 | 1.17 | 5,830 |
| 2022-09-01 | TGEN | Buy | 5,000 | 1.10 | 5,500 |
| 2022-09-02 | TGEN | Buy | 5,000 | 1.10 | 5,500 |
| 2022-08-31 | TGEN | Buy | 5,000 | 1.10 | 5,500 |
| 2022-08-23 | TGEN | Buy | 5,000 | 1.25 | 6,250 |
| 2022-08-25 | TGEN | Buy | 5,000 | 1.25 | 6,250 |
| 2022-08-24 | TGEN | Buy | 5,000 | 1.23 | 6,170 |
| 2022-08-22 | TGEN | Buy | 5,000 | 1.21 | 6,050 |
| 2020-04-23 | TGEN | Buy | 25,000 | 1.00 | 25,100 |
| 2016-04-22 | TGEN | Buy | 127,226 | .00 | 0 |
Table 2. Insider trading of Eurosite Power Inc (EUSP) by Hatsopoulos John
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-05-12 | EUSP | Buy | 1,739,130 | .57 | 999,999 |
| 2016-05-04 | EUSP | Sale | 3,798,261 | .00 | 0 |
| 2016-01-07 | EUSP | Buy | 3,000 | .90 | 2,700 |
| 2015-12-29 | EUSP | Buy | 4,000 | .90 | 3,600 |
| 2015-12-22 | EUSP | Buy | 5,000 | .90 | 4,500 |
| 2015-11-30 | EUSP | Buy | 2,000 | .90 | 1,790 |
| 2015-11-23 | EUSP | Buy | 15,000 | .58 | 8,700 |
| 2015-11-16 | EUSP | Buy | 1,000 | .77 | 765 |
| 2015-10-09 | EUSP | Buy | 3,000 | .95 | 2,850 |
| 2015-10-07 | EUSP | Buy | 43,000 | .37 | 15,910 |
| 2015-10-08 | EUSP | Buy | 20,550 | .37 | 7,582 |
| 2015-09-30 | EUSP | Buy | 3,000 | .87 | 2,601 |
| 2015-10-01 | EUSP | Buy | 3,000 | .93 | 2,775 |
| 2015-09-25 | EUSP | Buy | 1,000 | .80 | 800 |
| 2015-09-10 | EUSP | Buy | 1,000 | .80 | 800 |
| 2015-06-02 | EUSP | Buy | 5,000 | .95 | 4,750 |
| 2015-05-20 | EUSP | Buy | 100 | .95 | 95 |
| 2015-05-21 | EUSP | Buy | 4,825 | .95 | 4,583 |
| 2015-05-22 | EUSP | Buy | 5,175 | .95 | 4,916 |
| 2015-05-18 | EUSP | Buy | 1,000 | 1.00 | 1,000 |
| 2015-04-17 | EUSP | Buy | 1,000 | .71 | 710 |
| 2015-01-13 | EUSP | Buy | 2,000 | .98 | 1,960 |
Table 3. Insider trading of American Dg Energy Inc (ADGE) by Hatsopoulos John
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2015-12-09 | ADGE | Buy | 42,507 | .50 | 21,125 |
| 2015-12-08 | ADGE | Buy | 24,998 | .50 | 12,499 |
| 2015-12-02 | ADGE | Buy | 1,644 | .50 | 822 |
| 2015-12-03 | ADGE | Buy | 2,950 | .49 | 1,451 |
| 2015-11-30 | ADGE | Buy | 3,029 | .50 | 1,514 |
| 2015-11-27 | ADGE | Buy | 3,979 | .50 | 1,989 |
| 2015-11-20 | ADGE | Buy | 16,064 | .50 | 8,032 |
| 2015-11-06 | ADGE | Buy | 7,297 | .50 | 3,648 |
| 2015-11-10 | ADGE | Buy | 4,282 | .50 | 2,141 |
| 2015-10-21 | ADGE | Buy | 21,834 | .50 | 10,895 |
| 2015-10-20 | ADGE | Buy | 55,500 | .49 | 27,028 |
| 2015-10-19 | ADGE | Buy | 11,800 | .50 | 5,900 |
| 2015-10-07 | ADGE | Buy | 43,000 | .37 | 15,910 |
| 2015-10-08 | ADGE | Buy | 20,550 | .37 | 7,582 |
| 2015-10-13 | ADGE | Buy | 15,050 | .48 | 7,299 |
| 2015-10-14 | ADGE | Buy | 35,153 | .50 | 17,576 |
| 2015-10-09 | ADGE | Buy | 13,910 | .40 | 5,577 |
| 2015-10-12 | ADGE | Buy | 55,650 | .47 | 25,877 |
| 2015-10-05 | ADGE | Buy | 22,500 | .36 | 8,100 |
| 2015-10-06 | ADGE | Buy | 26,700 | .36 | 9,612 |
Insider trading activities including stock purchases, stock sales, and option exercises
listed in the above table cannot be completely guaranteed as to their accuracy.
For more information regarding the trades made by Hatsopoulos John
(Officer of Tecogen Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.