George P. Sakellaris
President and CEO at Ameresco 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: Ameresco Inc., 3 years.
Ameresco Inc.
Director · Chief Executive Officer
Chief executive roles
Ameresco Inc.
· President and CEO
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 |
|---|---|---|---|---|---|
| Aug 11, 2026 | Ameresco Inc. | Open-market purchase | +1,000 | $25.90 | $25,900 |
| Aug 10, 2026 | Ameresco Inc. | Open-market purchase | +1,000 | $25.27 | $25,270 |
| Aug 7, 2026 | Ameresco Inc. | Open-market purchase | +5,000 | $25.95 | $129,750 |
| Mar 10, 2026 | Ameresco Inc. | Option exercise | +3,750 | — | — |
| Sep 10, 2025 | Ameresco Inc. | Option exercise | +3,750 | — | — |
| Mar 17, 2025 | Ameresco Inc. | Option exercise | +2,459 | — | — |
| Mar 6, 2025 | Ameresco Inc. | Open-market purchase | +25,000 | $9.27 | $231,750 |
| Mar 5, 2025 | Ameresco Inc. | Open-market purchase | +50,000 | $9.74 | $487,000 |
| Mar 4, 2025 | Ameresco Inc. | Open-market purchase | +50,000 | $9.96 | $498,000 |
| Nov 13, 2024 | Ameresco Inc. | Open-market purchase | +25,000 | $26.54 | $663,500 |
| Sep 17, 2024 | Ameresco Inc. | Option exercise | +2,459 | — | — |
| Mar 17, 2024 | Ameresco Inc. | Option exercise | +2,459 | — | — |
| Nov 20, 2023 | Ameresco Inc. | Open-market purchase | +2,600 | $28.89 | $75,114 |
| Nov 20, 2023 | Ameresco Inc. | Open-market purchase | +2,400 | $29.51 | $70,824 |
| Nov 17, 2023 | Ameresco Inc. | Open-market purchase | +2,300 | $27.54 | $63,342 |
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