- Corporate Officers - L
- Lewis Earl
Insider Trading History of Lewis Earl
The following table details the insider trading activities
(stock purchases, stock sales, and stock option exercises) of Lewis Earl since 2015.
This trader's CIK number is 1230427.
At the time of last reporting, Lewis Earl was the Director of Tecogen Inc.. (stock ticker symbol TGEN).
Also see all insider trading activities at Tecogen Inc..
Note that in the past
Lewis Earl also reported insider trading activities as an insider of the following companies:
Yearly summary of insider trading at Tecogen Inc. (TGEN) by Lewis Earl
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2026 | TGEN | 10,000 | $27,005 | 0 | $0 | 0 | $0 |
| 2024 | TGEN | 156,152 | $110,688 | 0 | $0 | 0 | $0 |
| 2023 | TGEN | 113,500 | $110,579 | 0 | $0 | 0 | $0 |
| 2022 | TGEN | 13,183 | $12,623 | 0 | $0 | 0 | $0 |
| 2021 | TGEN | 15,000 | $28,200 | 0 | $0 | 0 | $0 |
| 2020 | TGEN | 11,711 | $9,603 | 0 | $0 | 0 | $0 |
Yearly summary of insider trading at Harvard Bioscience Inc (HBIO) by Lewis Earl
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2017 | HBIO | 22,238 | $52,620 | 0 | $0 | 0 | $0 |
| 2016 | HBIO | 27,221 | $89,284 | 23,088 | $55,872 | 0 | $0 |
| 2015 | HBIO | 0 | $0 | 0 | $0 | 57,785 | $224,065 |
Yearly summary of insider trading at Flir Systems Inc (FLIR) by Lewis Earl
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2021 | FLIR | 0 | $0 | 0 | $0 | 527,530 | $15,447,999 |
| 2020 | FLIR | 0 | $0 | 30,000 | $1,077,900 | 0 | $0 |
| 2019 | FLIR | 0 | $0 | 288,801 | $14,995,523 | 232,100 | $7,025,667 |
| 2018 | FLIR | 0 | $0 | 84,508 | $5,080,297 | 189,800 | $4,866,472 |
| 2017 | FLIR | 0 | $0 | 183,218 | $8,220,525 | 379,500 | $9,630,645 |
| 2016 | FLIR | 0 | $0 | 154,963 | $4,874,189 | 0 | $0 |
| 2015 | FLIR | 0 | $0 | 324,530 | $10,032,546 | 274,492 | $3,450,363 |
Yearly summary of insider trading at Nxstage Medical, Inc. (NXTM) by Lewis Earl
| | Insider Buying | Insider Sales | Option Exercises |
|---|
| Year | Symbol | Shares | Value | Shares | Value | Shares | Value |
|---|
| 2016 | NXTM | 21,000 | $304,017 | 18,020 | $356,075 | 47,468 | $738,125 |
| 2015 | NXTM | 0 | $0 | 0 | $0 | 14,000 | $194,320 |
Insider trading activities at 4 companies by Lewis Earl:
1. Tecogen Inc. (TGEN)
2. Harvard Bioscience Inc (HBIO)
3. Flir Systems Inc (FLIR)
4. Nxstage Medical, Inc. (NXTM)
Table 1. Insider trading of Tecogen Inc. (TGEN) by Lewis Earl
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2026-03-27 | TGEN | Buy | 5,000 | 2.52 | 12,595 |
| 2026-03-26 | TGEN | Buy | 5,000 | 2.88 | 14,410 |
| 2024-11-22 | TGEN | Buy | 100,000 | .71 | 71,000 |
| 2023-10-09 | TGEN | Buy | 2,000 | .80 | 1,600 |
| 2024-07-15 | TGEN | Buy | 10,000 | .68 | 6,800 |
| 2024-07-15 | TGEN | Buy | 10,000 | .68 | 6,800 |
| 2024-05-01 | TGEN | Buy | 5,000 | .75 | 3,750 |
| 2024-04-24 | TGEN | Buy | 10,000 | .68 | 6,800 |
| 2024-01-24 | TGEN | Buy | 9,152 | .78 | 7,138 |
| 2024-01-23 | TGEN | Buy | 10,000 | .68 | 6,800 |
| 2023-10-18 | TGEN | Buy | 25,000 | .91 | 22,750 |
| 2023-10-09 | TGEN | Buy | 2,000 | .80 | 1,600 |
| 2023-09-08 | TGEN | Buy | 10,000 | .95 | 9,500 |
| 2023-09-05 | TGEN | Buy | 10,000 | 1.00 | 10,000 |
| 2023-08-14 | TGEN | Buy | 1,500 | 1.00 | 1,500 |
| 2023-05-15 | TGEN | Buy | 10,000 | .96 | 9,600 |
| 2023-03-24 | TGEN | Buy | 8,194 | .93 | 7,579 |
| 2023-03-27 | TGEN | Buy | 806 | .98 | 793 |
| 2023-03-28 | TGEN | Buy | 6,000 | 1.02 | 6,132 |
| 2023-03-29 | TGEN | Buy | 20,000 | 1.18 | 23,500 |
| 2023-03-22 | TGEN | Buy | 5,000 | .87 | 4,350 |
| 2023-03-20 | TGEN | Buy | 15,000 | .89 | 13,275 |
| 2022-09-29 | TGEN | Buy | 5,000 | .97 | 4,850 |
| 2022-09-28 | TGEN | Buy | 8,183 | .95 | 7,773 |
| 2021-08-17 | TGEN | Buy | 15,000 | 1.88 | 28,200 |
| 2020-06-08 | TGEN | Buy | 11,711 | .82 | 9,603 |
Table 2. Insider trading of Harvard Bioscience Inc (HBIO) by Lewis Earl
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2017-05-25 | HBIO | Buy | 12,238 | 2.35 | 28,820 |
| 2017-05-24 | HBIO | Buy | 5,000 | 2.37 | 11,850 |
| 2017-05-23 | HBIO | Buy | 5,000 | 2.39 | 11,950 |
| 2016-12-06 | HBIO | Sale | 23,088 | 2.42 | 55,872 |
| 2015-12-02 | HBIO | Buy | 27,221 | 3.28 | 89,284 |
| 2015-06-09 | HBIO | Option Ex | 10,371 | 3.13 | 32,513 |
| 2015-03-04 | HBIO | Option Ex | 47,414 | 4.04 | 191,552 |
Table 3. Insider trading of Flir Systems Inc (FLIR) by Lewis Earl
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2021-04-28 | FLIR | Option Ex | 272,406 | 31.36 | 8,542,652 |
| 2021-03-31 | FLIR | Option Ex | 161,000 | 22.30 | 3,590,300 |
| 2021-01-13 | FLIR | Option Ex | 94,124 | 35.22 | 3,315,047 |
| 2020-11-04 | FLIR | Sale | 30,000 | 35.93 | 1,077,900 |
| 2019-11-05 | FLIR | Sale | 23,585 | 53.57 | 1,263,448 |
| 2019-04-29 | FLIR | Sale | 10,000 | 52.48 | 524,800 |
| 2019-04-26 | FLIR | Sale | 23,116 | 51.33 | 1,186,544 |
| 2019-03-01 | FLIR | Sale | 100,000 | 51.37 | 5,137,000 |
| 2019-03-01 | FLIR | Option Ex | 100,000 | 30.27 | 3,027,000 |
| 2019-02-26 | FLIR | Sale | 132,100 | 52.11 | 6,883,731 |
| 2019-02-26 | FLIR | Option Ex | 132,100 | 30.27 | 3,998,667 |
| 2018-08-30 | FLIR | Sale | 20,000 | 62.25 | 1,245,000 |
| 2018-08-17 | FLIR | Sale | 15,000 | 59.99 | 899,850 |
| 2018-08-16 | FLIR | Sale | 10,000 | 60.25 | 602,500 |
| 2018-07-27 | FLIR | Option Ex | 189,800 | 25.64 | 4,866,472 |
| 2018-07-27 | FLIR | Sale | 39,508 | 59.05 | 2,332,947 |
| 2017-10-27 | FLIR | Option Ex | 129,500 | 34.31 | 4,443,145 |
| 2017-10-27 | FLIR | Sale | 136,631 | 47.32 | 6,465,378 |
| 2017-08-16 | FLIR | Sale | 20,000 | 38.22 | 764,400 |
| 2017-07-31 | FLIR | Sale | 11,587 | 37.27 | 431,847 |
| 2017-05-12 | FLIR | Sale | 15,000 | 37.26 | 558,900 |
| 2017-03-20 | FLIR | Option Ex | 250,000 | 20.75 | 5,187,500 |
| 2016-11-03 | FLIR | Sale | 52,000 | 32.40 | 1,684,800 |
| 2016-06-03 | FLIR | Sale | 52,288 | 30.99 | 1,620,405 |
| 2016-03-10 | FLIR | Sale | 11,625 | 31.10 | 361,537 |
| 2016-03-03 | FLIR | Sale | 9,050 | 31.95 | 289,147 |
| 2016-02-19 | FLIR | Sale | 30,000 | 30.61 | 918,300 |
| 2015-12-03 | FLIR | Sale | 50,000 | 30.13 | 1,506,500 |
| 2015-07-28 | FLIR | Sale | 49,992 | 29.95 | 1,497,260 |
| 2015-05-27 | FLIR | Sale | 35,000 | 30.86 | 1,080,100 |
| 2015-05-05 | FLIR | Option Ex | 146,538 | 12.57 | 1,841,982 |
| 2015-05-04 | FLIR | Option Ex | 20,000 | 12.57 | 251,400 |
| 2015-05-04 | FLIR | Sale | 20,000 | 31.48 | 629,600 |
| 2015-05-05 | FLIR | Sale | 59,538 | 31.47 | 1,873,660 |
| 2015-05-01 | FLIR | Option Ex | 30,000 | 12.57 | 377,100 |
| 2015-04-30 | FLIR | Option Ex | 30,000 | 12.57 | 377,100 |
| 2015-04-30 | FLIR | Sale | 30,000 | 30.72 | 921,600 |
| 2015-05-01 | FLIR | Sale | 30,000 | 31.07 | 932,100 |
| 2015-04-29 | FLIR | Option Ex | 20,000 | 12.57 | 251,400 |
| 2015-04-28 | FLIR | Option Ex | 20,000 | 12.57 | 251,400 |
| 2015-04-28 | FLIR | Sale | 20,000 | 30.91 | 618,200 |
| 2015-03-06 | FLIR | Sale | 5,714 | 31.59 | 180,505 |
| 2015-02-17 | FLIR | Sale | 15,218 | 32.59 | 495,954 |
| 2015-02-11 | FLIR | Option Ex | 7,954 | 12.57 | 99,981 |
| 2015-02-11 | FLIR | Sale | 9,068 | 32.76 | 297,067 |
Table 4. Insider trading of Nxstage Medical, Inc. (NXTM) by Lewis Earl
| Trade Date | Symbol | Trade Type | Shares | Price ($) | Value ($) |
|---|
| 2016-11-02 | NXTM | Option Ex | 33,468 | 14.29 | 478,425 |
| 2016-05-25 | NXTM | Option Ex | 14,000 | 18.55 | 259,700 |
| 2015-11-18 | NXTM | Sale | 18,020 | 19.76 | 356,075 |
| 2016-02-12 | NXTM | Buy | 21,000 | 14.48 | 304,017 |
| 2015-02-20 | NXTM | Option Ex | 14,000 | 13.88 | 194,320 |
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 Lewis Earl
(Director of Tecogen Inc. at the time of this reporting) see
the Securities and Exchange Commission (SEC) website.