TECOGEN INC. (TGEN)
Latest TGEN Insider Trades
About TECOGEN INC. (TGEN)
Tecogen Inc produces commercial and industrial, natural-gas-fueled engine-driven, combined heat and power (CHP) products that reduce energy costs, decrease greenhouse gas emissions and alleviate congestion on the national power grid. Its products supply electric power or mechanical power for cooling. The company has three business segments: Products Segment, Services Segment, and Energy Production Segment. The majority of the company's revenue is derived from the Services segment, which provides operations and maintenance (O&M) services for its products under long term service contracts.
- NORTH BILLERICA, MA
- 120
- 2014
- XASE
90-Day SEC Filing Activity
| Form 4 transaction type | Transactions | Shares | Total value |
|---|---|---|---|
| Grant or award | 12 | 438,202 |
Dollar totals are shown for open-market purchases and sales only. Grants, option exercises, gifts and tax withholding are reported by share count because they are not trades at a market price.
TGEN Insider Transactions (Form 4)
232 Form 4 filings on record, the earliest from Dec 6, 2024, newest first. Filing history page 2 of 2.
| Date | Insider | Transaction | Security | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Earl R. Lewis - Director | Other | Common Stock | 240,256 |
Recent TGEN Form 8-K Filings
5TGEN Insider Trading - FAQ
What is the latest insider trade for TGEN?
TECOGEN INC. (TGEN) had 10 insider filings in the last 90 days, with the most recent on 2026-07-01. The full record for TGEN runs to 32 Form 4 filings, the earliest from 2024-12-06. InsiderAlpha tracks every Form 4, Form 144, and 8-K filing in real time.
How many insiders are buying TGEN stock?
No insider purchases of TGEN were filed in the last 90 days. 8 purchases are on record for this company.
How many insiders are selling TGEN stock?
No insider sales of TGEN were filed in the last 90 days. 5 sales are on record for this company.
Where can I see TGEN SEC filings (Form 4, 10-K, 10-Q, 8-K)?
This page tracks TGEN Form 4 insider transactions, Form 144 sale notices, and 8-K material event disclosures in one timeline. Annual 10-K and quarterly 10-Q reports live on the company's SEC EDGAR page.
How can I follow TGEN insider buys?
Create a free InsiderAlpha account and press Watch on this page to add TGEN to your watchlist. A free account also opens the full scored daily plan with every past day and 3 months of price history. No card is required. Sign up at https://insideralpha.ai/register.
More Industrials Companies with Insider Activity
Recent Insider Filings
10Every Form 4 below links to the original document on SEC EDGAR, so the numbers on this page can be checked against the filing they came from.
- - John Kimball Whiting IV view on EDGAR
- - Stephen Lafaille view on EDGAR
- - Roger P. Deschenes view on EDGAR
- - Robert A. Panora view on EDGAR
- - Abinand Rangesh view on EDGAR
- - Susan B. Hirsch view on EDGAR
- - John M. Albertine view on EDGAR
- - Earl R. Lewis view on EDGAR
- - Ahmed Ghoniem view on EDGAR
Related Companies - Recent Insider Activity
Learn More
- What is SEC Form 4?
- The filing insiders must submit within two business days of a trade, and how to read its transaction codes.
- Insider activity in Industrials
- Where TGEN's peers are being bought and sold.
- Every recent Form 4
- The full market-wide feed, updated as filings arrive from SEC EDGAR.
Track TGEN insider activity as it files
Real-time Form 4 alerts, AI-scored daily trade ideas and 10b5-1 plan flags.