Abinand Rangesh
Chief Executive Officer at Tecogen Inc.
Sits on 1 board. Last updated September 28, 2026
Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: Tecogen Inc., 3 years.
Tecogen Inc.
Director · Chief Executive Officer
Chief executive roles
Tecogen Inc.
· Chief Executive Officer
Dates unknown
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Jun 26, 2026 | Tecogen Inc. | Grant or award | +174,081 | — | — |
| Mar 20, 2026 | Tecogen Inc. | Open-market purchase | +3,000 | $2.30 | $6,900 |
| Jul 24, 2025 | Tecogen Inc. | Grant or award | +53,892 | — | — |
| Aug 30, 2023 | Tecogen Inc. | Open-market purchase | +800 | $1.02 | $816 |
| Aug 23, 2023 | Tecogen Inc. | Open-market purchase | +200 | $1.02 | $204 |
| Aug 15, 2023 | Tecogen Inc. | Open-market purchase | +1 | $0.95 | $1 |
| Jun 20, 2023 | Tecogen Inc. | Open-market purchase | +1,500 | $1.04 | $1,560 |
| Mar 20, 2023 | Tecogen Inc. | Open-market purchase | +800 | $0.85 | $680 |
| Mar 20, 2023 | Tecogen Inc. | Open-market purchase | +1,000 | $0.90 | $900 |
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