| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
| Insider | Role | Shares | Value | Buys | Sells |
|---|---|---|---|---|---|
| Date | Ticker | Insider | Role | Type | Shares | Price | Value | Chg% | SEC |
|---|---|---|---|---|---|---|---|---|---|
Tecogen Inc. (TGEN) has 11 insiders with recent SEC Form 4 filings, including 9 buys and 4 sells. TGEN is classified in the Electrical Equipment industry within the Industrials sector.
| Role | Insider | Shares | Value | 30d |
|---|---|---|---|---|
| Dir | 1.04M | $4.81M | - | |
| Dir | 1.01M | $4.68M | - | |
| Dir | 265.4K | $1.23M | +5.0K | |
| Dir | 237.7K | $1.10M | - | |
| Dir | 225.0K | $1.04M | - |
Buys and sells only
| Date | Insider | Role | Type | Shares | Price | Value | Chg% | 3M | 12M | SEC |
|---|---|---|---|---|---|---|---|---|---|---|
| Apr 13, 2026 | Hirsch Susan B | Director | Buy | 5,000 | $3.73 | $18,650.00 | +1.9% | - | - | |
| Mar 27, 2026 | Lewis Earl61 | Director | Buy | 5,000 | $2.52 | $12,596.00 | +0.5% | - | - | |
| Mar 26, 2026 | Lewis Earl61 | Director | Buy | 5,000 | $2.88 | $14,408.50 | +0.5% | - | - | |
| Mar 23, 2026 | Whiting John Kimball IV | General Counsel &Secretary | Buy | 10,000 | $2.38 | $23,800.00 | +79.3% | - | - | |
| Mar 20, 2026 | Rangesh Abinand | Chief Executive Officer | Buy | 3,000 | $2.30 | $6,894.00 | +4.7% | - | - | |
| Mar 20, 2026 | Deschenes Roger P. | CAO | Buy | 10,000 | $2.23 | $22,300.00 | +23.3% | - | - | |
| Jun 23, 2025 | Lafaille Stephen63 | VP Of Business Development | Sell | 60,000 | $5.76 | $345,800.00 | -97.4% | +22.1% | - | |
| Mar 3, 2025 | Lafaille Stephen63 | VP Of Business Development | Buy | 400 | $2.50 | $1,000.00 | New | +106.6% | +42.3% | |
| Nov 22, 2024 | Lewis Earl R61 | Director | Buy | 100,000 | $0.71 | $71,000.00 | +15.7% | +148.4% | +614.3% | |
| Sep 27, 2024 | Hatsopoulos John63 | Director | Buy | 10,000 | $0.84 | $8,380.00 | +1.0% | +81.7% | +857.3% |