LEWIS EARL R (CIK 1230427) reported 9 SEC Form 4 insider transactions across 1 companies over the past 18 months (most recent 2026-03-27). Recent activity: Buy TGEN (5,000 shares), Buy TGEN (5,000 shares), Buy TGEN (15,000 shares), Buy TGEN (12,500 shares), Buy TGEN (6,250 shares). Source: SEC Form 4.
| Date | Company | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-27 | TECOGEN INC. (TGEN) | Director | Buy | 5,000 | $14,400 |
| 2026-03-27 | TECOGEN INC. (TGEN) | Director | Buy | 5,000 | $12,600 |
| 2025-05-07 | TECOGEN INC. (TGEN) | Director | Buy | 15,000 | $26,250 |
| 2025-05-07 | TECOGEN INC. (TGEN) | Director | Buy | 12,500 | $15,000 |
| 2025-05-07 | TECOGEN INC. (TGEN) | Director | Buy | 6,250 | $6,875 |
| 2025-05-05 | TECOGEN INC. (TGEN) | Director | Buy | 240,256 | $514,148 |
| 2025-03-25 | TECOGEN INC. (TGEN) | Director | Buy | 100,000 | $71,000 |
| 2025-03-25 | TECOGEN INC. (TGEN) | Director | Buy | 10,000 | $6,800 |
| 2025-03-25 | TECOGEN INC. (TGEN) | Director | Buy | 2,000 | $1,600 |
Source: SEC Form 4 filings · as of 2026-03-27