Tecogen Inc. TGEN
We take great care to ensure that the data presented and summarized in this overview for TECOGEN INC. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding TGEN
View all-
Vanguard Group Inc Valley Forge, PA826KShares$7.28 Million0.0% of portfolio
-
Bard Associates Inc Chicago, IL624KShares$5.5 Million1.59% of portfolio
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Clear Harbor Asset Management, LLC610KShares$5.38 Million0.32% of portfolio
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Portolan Capital Management, LLC Boston, MA466KShares$4.11 Million0.23% of portfolio
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Herald Investment Management LTD321KShares$2.83 Million0.41% of portfolio
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Integrated Wealth Concepts LLC177KShares$1.56 Million0.01% of portfolio
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Geode Capital Management, LLC Boston, MA143KShares$1.26 Million0.0% of portfolio
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Corsair Capital Management, L.P. New York, NY67.8KShares$597,6430.1% of portfolio
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High Tower Advisors, LLC Chicago, IL63.6KShares$560,6600.0% of portfolio
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Pfg Investments, LLC Woodbury, NY62.5KShares$551,4520.02% of portfolio
Latest Institutional Activity in TGEN
Top Purchases
Top Sells
About TGEN
Tecogen Inc. designs, manufactures, markets, and maintains industrial and commercial cogeneration systems for residential, commercial, recreational, and industrial use in the United States and internationally. It operates through three segments: Products, Services, and Energy Production. The company offers InVerde e+ and TecoPower, a cogeneration product that supplies electricity and hot water; TECOCHILL air-conditioning and refrigeration chillers; Tecofrost gas engine-driven refrigeration compressors; and water heaters under the Ilios brand name, as well as emissions control technology under the Ultera brand name. It also provides long-term maintenance contracts, parts sales, and turnkey installation services through a network of eleven field service centers in California, the Midwest, the Northeast, and the Southeast, as well as in Ontario, Canada. In addition, the company installs, owns, operates, and maintains distributed generation of electricity, energy, and other complementary systems. It serves hospitals and nursing homes, colleges, universities, health clubs, spas, hotels, motels, office and retail buildings, food and beverage processors, multi-unit residential buildings, laundries, ice rinks, swimming pools, factories, municipal buildings, military installations, and indoor growing facilities. The company was incorporated in 2000 and is headquartered in Waltham, Massachusetts.
Insider Transactions at TGEN
Insider Transaction List
View allDate | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
---|---|---|---|---|---|
Jul 24
2025
|
Stephen Lafaille VP of Business Development |
BUY
Grant, award, or other acquisition
|
Direct |
11,976
+49.18%
|
-
|
Jul 24
2025
|
Roger P. Deschenes CAO |
BUY
Grant, award, or other acquisition
|
Direct |
17,964
+29.48%
|
-
|
Jul 24
2025
|
John Kimball Iv Whiting General Counsel & Secretary |
BUY
Grant, award, or other acquisition
|
Direct |
11,976
+48.71%
|
-
|
Jul 24
2025
|
Abinand Rangesh Chief Executive Officer |
BUY
Grant, award, or other acquisition
|
Direct |
53,892
+45.64%
|
-
|
Jun 23
2025
|
Stephen Lafaille VP of Business Development |
SELL
Open market or private sale
|
Direct |
10,000
-96.15%
|
$70,000
$7.25 P/Share
|
Jun 23
2025
|
Stephen Lafaille VP of Business Development |
BUY
Exercise of in-the-money or at-the-money derivatives securities
|
Direct |
10,000
+49.02%
|
$10,000
$1.1 P/Share
|
Jun 16
2025
|
Robert A Panora COO and President |
BUY
Exercise of in-the-money or at-the-money derivatives securities
|
Direct |
95,223
+19.49%
|
$0
$0.87 P/Share
|
Jun 06
2025
|
Stephen Lafaille VP of Business Development |
SELL
Open market or private sale
|
Direct |
25,000
-98.43%
|
$125,000
$5.98 P/Share
|
Jun 06
2025
|
Stephen Lafaille VP of Business Development |
BUY
Exercise of in-the-money or at-the-money derivatives securities
|
Direct |
25,000
+49.6%
|
$25,000
$1.1 P/Share
|
Jun 04
2025
|
Stephen Lafaille VP of Business Development |
SELL
Open market or private sale
|
Direct |
15,000
-97.4%
|
$75,000
$5.0 P/Share
|
Jun 04
2025
|
Stephen Lafaille VP of Business Development |
BUY
Exercise of in-the-money or at-the-money derivatives securities
|
Direct |
15,000
+49.34%
|
$0
$0.71 P/Share
|
Jun 03
2025
|
Stephen Lafaille VP of Business Development |
SELL
Open market or private sale
|
Direct |
10,000
-96.15%
|
$40,000
$4.88 P/Share
|
Jun 03
2025
|
Stephen Lafaille VP of Business Development |
BUY
Exercise of in-the-money or at-the-money derivatives securities
|
Direct |
10,000
+49.02%
|
$0
$0.71 P/Share
|
May 06
2025
|
Earl R Lewis Director |
BUY
Exercise of in-the-money or at-the-money derivatives securities
|
Direct |
33,750
+1.12%
|
$33,750
$1.35 P/Share
|
May 01
2025
|
Earl R Lewis Director |
BUY
Other acquisition or disposition
|
Direct |
240,256
+19.9%
|
$480,512
$2.14 P/Share
|
Mar 03
2025
|
Stephen Lafaille VP of Business Development |
BUY
Open market or private purchase
|
Direct |
400
+50.0%
|
$800
$2.5 P/Share
|
Nov 22
2024
|
Earl R Lewis Director |
BUY
Open market or private purchase
|
Direct |
100,000
+11.95%
|
$0
$0.71 P/Share
|
Sep 27
2024
|
John Hatsopoulos Director |
BUY
Open market or private purchase
|
Direct |
10,000
+1.0%
|
$0
$0.84 P/Share
|
Sep 25
2024
|
John Hatsopoulos Director |
BUY
Open market or private purchase
|
Direct |
10,000
+1.01%
|
$0
$0.86 P/Share
|
Aug 19
2024
|
John Hatsopoulos Director |
BUY
Open market or private purchase
|
Direct |
10,000
+1.02%
|
$0
$0.9 P/Share
|
Last 12 Months Summary
Open market or private purchase | 130K shares |
---|---|
Other acquisition or disposition | 240K shares |
Exercise of in-the-money or at-the-money derivatives securities | 189K shares |
Grant, award, or other acquisition | 95.8K shares |
Open market or private sale | 60K shares |
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