AMRC · Insider Trading
Ameresco, Inc.
Every open-market purchase and sale reported by AMRC officers, directors and 10%+ beneficial owners on SEC Form 4, which must be filed within two business days of the transaction. Sales often reflect scheduled 10b5-1 plans or tax withholding rather than a directional view, so read counts alongside the size and the filer.
| Filed | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| 2026-09-17 | Louis P Maltezos | Co-President | Sell | −592 | −$13.30K |
| 2026-09-17 | Mark Chiplock | EVP, CFO & CAO | Sell | −476 | −$10.69K |
| 2026-09-14 | Peter Christakis | Chief Operating Officer | M | +1,750 | — |
| 2026-09-14 | Mark Chiplock | EVP, CFO & CAO | M | +1,625 | — |
| 2026-09-14 | Nicole E Bulgarino | Co-President | M | +1,875 | — |
| 2026-09-14 | Louis P Maltezos | Co-President | M | +2,125 | — |
| 2026-09-14 | George P Sakellaris | Chief Executive Officer | M | +6,250 | — |
| 2026-09-01 | George P Sakellaris | Chief Executive Officer | Buy | +3,000 | +$66.39K |
| 2026-08-27 | George P Sakellaris | Chief Executive Officer | Buy | +5,000 | +$113.28K |
| 2026-08-26 | Joseph W. Sutton | Director | Buy | +9,700 | +$202.44K |
| 2026-08-26 | George P Sakellaris | Chief Executive Officer | Buy | +10,000 | +$214.30K |
| 2026-08-26 | Jennifer L Miller | Director | Buy | +2,000 | +$41.92K |
| 2026-08-25 | Brian C Cox | Director | Buy | +4,625 | +$100.08K |
| 2026-08-19 | David J Corrsin | EVP and General Counsel | A | +25,000 deriv. | — |
| 2026-08-11 | Brian C Cox | Director | Buy | +39,700 | +$995.28K |
| 2026-08-11 | George P Sakellaris | Chief Executive Officer | Buy | +7,000 | +$180.92K |
| 2026-08-04 | Brian C Cox | Director | A | +5,132 deriv. | — |
| 2026-06-05 | Charles R. Patton | Director | M | +10,435 | — |
| 2026-06-05 | Claire D'Oyly-Hughes Johnson | Director | M | +10,435 | — |
| 2026-06-05 | Nickolas Stavropoulos | Director | M | +10,435 | — |
| 2026-06-05 | Joseph W. Sutton | Director | M | +10,435 | — |
| 2026-06-05 | Jennifer L Miller | Director | M | +10,435 | — |
| 2026-06-05 | Francis V Wisneski Jr | Director | M | +10,435 | — |
| 2026-06-02 | Francis V Wisneski Jr | Director | MIXED | — | −$151.60K |
| 2026-05-21 | Francis V Wisneski Jr | Director | MIXED | — | −$244.90K |
| 2026-05-19 | Peter Christakis | President-EastUSA, ProjectRisk | A | +30,000 deriv. | — |
| 2026-05-19 | Louis P Maltezos | President-Central&West USA Can | A | +30,000 deriv. | — |
| 2026-05-19 | Nickolas Stavropoulos | Director | MIXED | — | −$23.94K |
| 2026-05-19 | Jennifer L Miller | Director | MIXED | — | −$275.31K |
| 2026-05-19 | Nicole E Bulgarino | President - Federal & Utility | A | +30,000 deriv. | — |
| 2026-04-28 | Joseph W. Sutton | Director | M | +10,000 | +$47.40K |
| 2026-03-12 | Mark Chiplock | EVP, CFO & CAO | MIXED | +477 | −$6.91K |
| 2026-03-12 | Peter Christakis | President-EastUSA, ProjectRisk | M | +750 | — |
| 2026-03-12 | David J Corrsin | EVP and General Counsel | MIXED | +31 | −$481 |
| 2026-03-12 | Michael T Bakas | President - Renewable Fuels | M | +875 | — |
| 2026-03-12 | Louis P Maltezos | President-Central&West USA Can | MIXED | +569 | −$7.74K |
| 2026-03-12 | George P Sakellaris | President and CEO | M | +3,750 | — |
| 2026-03-12 | Nicole E Bulgarino | President - Federal & Utility | M | +875 | — |
| 2026-03-10 | David J Corrsin | EVP and General Counsel | MIXED | — | −$1.32K |
| 2026-02-27 | David J Corrsin | EVP and General Counsel | M | +20,000 | +$92.80K |
| 2026-02-23 | Nickolas Stavropoulos | Director | MIXED | — | −$286.84K |
| 2026-02-13 | Nickolas Stavropoulos | Director | MIXED | — | −$7.88K |
| 2026-01-30 | Nickolas Stavropoulos | Director | MIXED | — | −$1.77K |
| 2025-10-14 | Mark Chiplock | EVP, CFO & CAO | MIXED | — | −$691.85K |
| 2025-10-08 | Mark Chiplock | EVP, CFO & CAO | MIXED | — | −$405.21K |
| 2025-10-02 | Mark Chiplock | EVP, CFO & CAO | MIXED | — | −$142.80K |
| 2025-09-16 | Mark Chiplock | EVP, CFO & CAO | Sell | −269 | −$7.53K |
| 2025-09-16 | David J Corrsin | EVP and General Counsel | Sell | −19 | −$532 |
| 2025-09-12 | Nicole E Bulgarino | President - Federal & Utility | M | +875 | — |
| 2025-09-12 | Peter Christakis | President-EastUSA, ProjectRisk | M | +750 | — |
| Insider | Role | Shares Held | Value |
|---|---|---|---|
| George P Sakellaris | Chief Executive Officer | 1,219,847 | $25.36M |
| Joseph W. Sutton | Director | 213,601 | $4.44M |
| Nicole E Bulgarino | Co-President | 61,171 | $1.27M |
| Brian C Cox | Director | 44,325 | $921.52K |
| Francis V Wisneski Jr | Director | 35,667 | $741.52K |
| Jennifer L Miller | Director | 34,546 | $718.21K |
| Louis P Maltezos | Co-President | 33,628 | $699.13K |
| Nickolas Stavropoulos | Director | 24,546 | $510.31K |
| Charles R. Patton | Director | 23,824 | $495.30K |
| Claire D'Oyly-Hughes Johnson | Director | 22,346 | $464.57K |
| David J Corrsin | EVP and General Counsel | 20,912 | $434.76K |
| Peter Christakis | Chief Operating Officer | 15,106 | $314.05K |
| Michael T Bakas | President - Renewable Fuels | 13,634 | $283.45K |
| Mark Chiplock | EVP, CFO & CAO | 2,815 | $58.52K |
Form 4 reports a change in beneficial ownership by an officer, director or 10%+ holder, and must be filed within two business days of the transaction — so this is close to real time, unlike the 45-day-lagged 13F institutional data.
Transaction codes matter more than the raw buy/sell count. Code P is an open-market purchase — an insider choosing to buy with their own money, which is the signal most research treats as informative. Code S is a sale, but sales are frequently pre-scheduled under a 10b5-1 plan or cover tax withholding on vesting equity, so a run of sales often says nothing directional. Codes A and M are grants and option exercises rather than open-market decisions.
Full filing history and per-insider positions are on the AMRC quote page; the site-wide leaderboard is on the insider transactions hub.
Market data may be delayed, incomplete, or inaccurate. Not a recommendation to buy, sell, or hold any security. Verify quotes with your broker before trading. See Terms §17.