As of June 06, 2026, Ameresco's top three insider holders are George P Sakellaris (President And Ceo, 1.10Mn shares), George P Sakellaris (President And Ceo, 988.60K shares), Joseph W. Sutton (Director, 133.35K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| Nickolas Stavropoulos | - | 14,111 | 0 | 23 Feb, 2026 |
| Francis V Jr Wisneski | - | 25,232 | 0 | 06 Jun, 2025 |
| Charles R. Patton | - | 13,389 | 0 | 06 Jun, 2025 |
| Louis P Maltezos | President Centralwest Usa Can | 32,095 | 0 | 12 Mar, 2026 |
| Douglas I Foy | - | 14,000 | 0 | 10 Mar, 2022 |
| Joseph W. Sutton | - | 0 | 133,355 | 19 Nov, 2024 |
| David J Corrsin | Evp And General Counsel | 20,471 | 0 | 27 Feb, 2026 |
| Michael T Bakas | President Renewable Fuels | 13,634 | 0 | 12 Mar, 2026 |
| George P Sakellaris | President And Ceo | 0 | 1,100,000 | 21 Nov, 2023 |
| Jennifer L Miller | - | 22,111 | 0 | 06 Jun, 2025 |
| Nicole E Bulgarino | President Federal Utility | 59,296 | 0 | 12 Mar, 2026 |
| Thomas S Murley | - | 10,500 | 0 | 05 Nov, 2021 |
| Mark Chiplock | Evp, Cfo Cao | 1,666 | 0 | 12 Mar, 2026 |
| Britta Macintosh | Senior Vice President | 33,979 | 0 | 19 Sep, 2023 |
| Claire D'Oyly-Hughes Johnson | - | 10,111 | 0 | 06 Jun, 2025 |
| Peter Christakis | President Eastusa, Projectrisk | 13,356 | 0 | 12 Mar, 2026 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 10 Mar, 2026 | George P Sakellaris | Class A Common Stock | A | 3,750 | $0.00 | 988,597 | D | M |
| 10 Mar, 2026 | Louis P Maltezos | Class A Common Stock | A | 875 | $0.00 | 32,401 | D | M |
| 10 Mar, 2026 | Peter Christakis | Class A Common Stock | A | 750 | $0.00 | 13,356 | D | M |
| 10 Mar, 2026 | Mark Chiplock | Class A Common Stock | A | 750 | $0.00 | 1,939 | D | M |
| 10 Mar, 2026 | David J Corrsin | Class A Common Stock | A | 50 | $0.00 | 460 | I | M |
| 10 Mar, 2026 | Peter Christakis | Class A Common Stock | A | 750 | $0.00 | 13,356 | D | M |
| 10 Mar, 2026 | Nicole E Bulgarino | Class A Common Stock | A | 875 | $0.00 | 59,296 | D | M |
| 10 Mar, 2026 | Mark Chiplock | Class A Common Stock | A | 750 | $0.00 | 1,939 | D | M |
| 10 Mar, 2026 | Michael T Bakas | Class A Common Stock | A | 875 | $0.00 | 13,634 | D | M |
| 10 Mar, 2026 | Louis P Maltezos | Class A Common Stock | A | 875 | $0.00 | 32,401 | D | M |
| 10 Mar, 2026 | Michael T Bakas | Class A Common Stock | A | 875 | $0.00 | 13,634 | D | M |
| 10 Mar, 2026 | George P Sakellaris | Class A Common Stock | A | 3,750 | $0.00 | 988,597 | D | M |
| 10 Mar, 2026 | David J Corrsin | Class A Common Stock | A | 50 | $0.00 | 460 | I | M |
| 10 Mar, 2026 | Michael T Bakas | Stock Option (right to purchase) | A | 20,000 | $0.00 | 20,000 | D | A |
| 12 Mar, 2026 | David J Corrsin | Class A Common Stock | D | 19 | $25.31 | 441 | I | S |
| 10 Mar, 2026 | Michael T Bakas | Stock Option (right to purchase) | A | 20,000 | $0.00 | 20,000 | D | A |
| 10 Mar, 2026 | Peter Christakis | Stock Option (right to purchase) | A | 20,000 | $0.00 | 20,000 | D | A |
| 12 Mar, 2026 | Louis P Maltezos | Class A Common Stock | D | 306 | $25.31 | 32,095 | D | S |
| 12 Mar, 2026 | Mark Chiplock | Class A Common Stock | D | 273 | $25.31 | 1,666 | D | S |
| 10 Mar, 2026 | Peter Christakis | Stock Option (right to purchase) | A | 20,000 | $0.00 | 20,000 | D | A |