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.
Chief executive roles
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
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Ameresco Inc. June 4, 202488.6%
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 |
|---|---|---|---|---|---|
| Sep 10, 2026 | Ameresco Inc. | Option exercise | +6,250 | — | — |
| Aug 28, 2026 | Ameresco Inc. | Open-market purchase | +3,000 | $22.13 | $66,390 |
| Aug 27, 2026 | Ameresco Inc. | Open-market purchase | +4,000 | $22.84 | $91,360 |
| Aug 26, 2026 | Ameresco Inc. | Open-market purchase | +1,000 | $21.92 | $21,920 |
| Aug 25, 2026 | Ameresco Inc. | Open-market purchase | +938 | $21.60 | $20,261 |
| Aug 25, 2026 | Ameresco Inc. | Open-market purchase | +4,062 | $22.03 | $89,486 |
| Aug 24, 2026 | Ameresco Inc. | Open-market purchase | +5,000 | $20.91 | $104,550 |
| 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 |
Questions about George P. Sakellaris
What boards is George P. Sakellaris on?
George P. Sakellaris sits on the board of Ameresco Inc.
What company is George P. Sakellaris the CEO of?
George P. Sakellaris is President and CEO of Ameresco Inc.
How long has George P. Sakellaris served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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