CIK 0001537435 · Non-accelerated filer<br>Smaller reporting company
TECOGEN INC.
Sign in to watch- Ticker
- TGEN
- Exchange
- NYSE
- Industry
- Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip
- FY end
- Dec 31
- Incorporated
- DE
- Entity type
- operating
- EIN
- 043536131
- Phone
- 781-466-6400
- Business address
- 76 TREBLE COVE ROAD, BLDG. 1, NORTH BILLERICA, MA, 01862
- Former names
- TECOGEN INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-03-27 | Hirsch Susan B Director | Purchase | +10,000 | $2.54 | $25K | 260,416 |
| 2026-03-27 | Lewis Earl Director | Purchase | +5,000 | $2.52 | $13K | 1,011,006 |
| 2026-03-26 | Lewis Earl Director | Purchase | +5,000 | $2.88 | $14K | 1,006,006 |
| 2026-03-23 | Whiting John Kimball IV General Counsel & Secretary | Purchase | +10,000 | $2.38 | $24K | 22,612 |
| 2026-03-20 | Deschenes Roger P. CAO | Purchase | +10,000 | $2.23 | $22K | 52,962 |
| 2026-03-20 | Rangesh Abinand Chief Executive Officer | Purchase | +3,000 | $2.30 | $7K | 67,193 |
| 2026-03-20 | Hatsopoulos John Director | Option exercise | +50,000 | $0.88 | $44K | 1,038,951 |
| 2026-03-20 | Hatsopoulos John Director | Option exercise · Stock Option (Right to Buy) | −50,000 | $0.88 | $44K | 0 |
| 2025-07-24 | ALBERTINE JOHN M Director | Grant or award · Stock Option (Right to Buy) | +25,000 | $8.35 | $209K | 175,000 |
| 2025-07-24 | Lafaille Stephen VP of Business Development | Grant or award | +11,976 | 12,376 | ||
| 2025-07-24 | Lafaille Stephen VP of Business Development | Grant or award · Stock Option (Right to Buy) | +24,075 | $8.35 | $201K | 72,937 |
| 2025-07-24 | Whiting John Kimball IV General Counsel & Secretary | Grant or award | +11,976 | 12,612 | ||
| 2025-07-24 | Whiting John Kimball IV General Counsel & Secretary | Grant or award · Stock Option (Right to Buy) | +24,075 | $8.35 | $201K | 424,075 |
| 2025-07-24 | Deschenes Roger P. CAO | Grant or award | +17,964 | 42,962 | ||
| 2025-07-24 | Deschenes Roger P. CAO | Grant or award · Stock Option (Right to Buy) | +12,063 | $8.35 | $101K | 152,063 |
| 2025-07-24 | Rangesh Abinand Chief Executive Officer | Grant or award | +53,892 | 64,193 | ||
| 2025-07-24 | Rangesh Abinand Chief Executive Officer | Grant or award · Stock Option (Right to Buy) | +24,075 | $8.35 | $201K | 294,075 |
| 2025-07-24 | Rangesh Abinand Chief Executive Officer | Grant or award · Stock Option (Right to Buy) | +12,048 | $8.35 | $101K | 306,123 |
| 2025-07-24 | Hirsch Susan B Director | Grant or award · Stock Option (Right to Buy) | +25,000 | $8.35 | $209K | 150,000 |
| 2025-07-24 | GHONIEM AHMED Director | Grant or award · Stock Option (Right to Buy) | +25,000 | $8.35 | $209K | 237,723 |
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