TGEN
TECOGEN INC. · Manufacturing · Market cap $65.5M
Insider Buying
$134K
reported purchases (SEC code P)
Insider Selling
$0
reported sales (SEC code S)
Unique Insiders
6
in the rolling window
Latest filing
Sep 8, 2026
Ghoniem Ahmed
TECOGEN INC. (TGEN) has 19 SEC Form 4 filings (19 transaction rows) in the rolling window, disclosed by 6 distinct insiders. Most recent filing: Sep 8, 2026.
Inside the rolling window, 6 insiders at TECOGEN INC. reported 8 open-market purchases totaling $134K and no open-market sales. Insiders have net bought $134K over the trailing 6 months. The most recent open-market filing is a purchase of 12,723 shares by Director Ghoniem Ahmed, dated Apr 24, 2026, worth $10K.
- Industry:Electrical Equipment & Parts
- CEO:Abinand Rangesh
- Employees:120
- HQ:North Billerica, MA, US
- IPO:2014-05-20
| Source | |||||||
|---|---|---|---|---|---|---|---|
Ghoniem AhmedFirst filing | Director | Purchase | 12,723 | $10K | Apr 27 | -48.8% | SEC ↗ |
| Director | Purchase | 5,000 | $19K | Apr 14 | -42.7% | SEC ↗ | |
Lewis EarlFirst filing | Director | Purchase | 5,000 | $14K | Mar 27 | -15.6% | SEC ↗ |
Hirsch Susan BFirst filing | Director | Purchase | 10,000 | $25K | Mar 27 | -15.6% | SEC ↗ |
Lewis EarlFirst filing | Director | Purchase | 5,000 | $13K | Mar 27 | -15.6% | SEC ↗ |
Rangesh AbinandFirst filing | Chief Executive Officer | Purchase | 3,000 | $7K | Mar 23 | -8.1% | SEC ↗ |
Whiting John Kimball IVFirst filing | General Counsel & Secretary | Purchase | 10,000 | $24K | Mar 23 | -8.1% | SEC ↗ |
Deschenes Roger P.First filing | CAO | Purchase | 10,000 | $22K | Mar 23 | -8.1% | SEC ↗ |
Earnings: last 7 quarters
Frequently asked questions
How many SEC Form 4 insider filings does TGEN have?
TECOGEN INC. (TGEN) has 19 SEC Form 4 filings (19 transaction rows) in the rolling 365-day window, disclosed by 6 distinct insiders. Most recent filing: Sep 8, 2026.
When was the most recent SEC Form 4 filing for TGEN?
The most recent Form 4 filing for TGEN on Tracefour is dated Sep 8, 2026.
What is the net insider flow at TGEN over the last 6 months?
Over the trailing 180 days, insiders at TGEN have net bought $134K based on SEC Form 4 disclosures.
What is the total insider buy and sell value at TGEN in the current window?
Inside the rolling window, insiders at TGEN bought $134K and sold $0 based on SEC Form 4 filings.
Can I get alerts for TGEN insider trading?
Yes. Tracefour sends a free email when a new SEC Form 4 purchase or sale is filed at TECOGEN INC. (TGEN). Alerts are set per company from the page itself, there is no paid tier, and each email links to the original filing on SEC EDGAR.
Related companies
TECOGEN INC. is in the Manufacturing sector.