AMRC insider buying – Ameresco, Inc.
31 insider purchases since 2016 worth $7.2M by 12 different insiders. Last 12 months: 8 purchases, $1.9M. Most recent filing: 2026-09-01.
Mid company Public float $919M (latest 10-K, SEC).
Where insiders bought and sold AMRC – last 5 yearsCEO / officers Directors Funds & 10% owners Sales
Same time range as the chart above - each mark sits under the week of the trade. Circles = purchases (height = price paid, size = amount), red triangles = open-market sales of $50k+. Prices as reported, not adjusted for later stock splits. 13 older purchases (before the 5-year window) are listed in the table below.
Purchases are open-market buys (SEC Form 4, code "P") - insiders paying with their own money. Sales are open-market sales (code "S") of $50,000 or more; many sales are pre-planned (Rule 10b5-1) or made for taxes and diversification. Each row links to the original filing.
Bought, sold, still holding?
| Insider | Bought | First / last buy | Sold since 2016 | Holds now* | Status |
|---|---|---|---|---|---|
| Sakellaris George P CEO | $4.6M 10× · 291,749 sh | 2016-01-11 2026-08-28 | 34× · $99.9M last 2021-11-04 | 2,319,847 shares as of 2026-09-14 | Holds (sold earlier) |
| Cox Brian C Director | $1.1M 2× · 44,325 sh | 2026-08-10 2026-08-21 | – | 44,325 shares as of 2026-08-25 | Holds - never sold |
| Sutton Joseph W. Director | $595,739 2× · 24,700 sh | 2024-11-15 2026-08-24 | 18× · $44.2M last 2021-10-28 | 213,601 shares as of 2026-08-26 | Holds (sold earlier) |
| Bulgarino Nicole E CEO | $336,000 1× · 15,000 sh | 2023-11-10 2023-11-10 | 3× · $5.9M last 2021-11-22 | 61,171 shares as of 2026-09-14 | Holds (sold earlier) |
| Miller Jennifer L Director | $154,467 5× · 12,000 sh | 2016-08-15 2026-08-24 | 2× · $1.2M last 2026-05-18 | 34,546 shares as of 2026-08-26 | Holds (sold earlier) |
| GAGNON NEIL 10% Owner | $129,968 2× · 25,393 sh | 2016-03-07 2016-07-12 | 1× · $242,481 last 2016-12-09 | 1,804,499 shares as of 2016-12-13 | Sold part |
| Murley Thomas S Director | $85,621 4× · 8,339 sh | 2017-05-08 2019-08-14 | 5× · $3.5M last 2021-11-04 | 10,500 shares as of 2021-11-05 | Sold part |
| STAVROPOULOS NICKOLAS Director | $60,760 1× · 4,000 sh | 2019-05-06 2019-05-06 | 4× · $1.5M last 2026-02-19 | 24,546 shares as of 2026-06-05 | Sold part |
| WISNESKI FRANCIS V JR Director | $54,324 1× · 5,708 sh | 2025-03-04 2025-03-04 | 32× · $9.5M last 2026-05-29 | 35,667 shares as of 2026-06-05 | Sold part |
| Patton Charles R. Director | $49,800 1× · 5,000 sh | 2025-03-05 2025-03-05 | – | 23,824 shares as of 2026-06-05 | Holds - never sold |
| Foy Douglas I Director | $20,156 1× · 4,000 sh | 2016-03-07 2016-03-07 | 6× · $1.9M last 2022-03-09 | 14,000 shares as of 2022-03-10 | Sold part |
| Johnson Claire D'Oyly-Hughes Director | $17,910 1× · 1,800 sh | 2025-03-04 2025-03-04 | – | 22,346 shares as of 2026-06-05 | Holds - never sold |
* Shares held after the insider's most recent SEC filing for this company (all share classes, direct and indirect). If an insider stops filing, later changes are not known.
Insider buying and selling by year
| Year | Purchases | Bought | Buyers | Sales | Sold |
|---|---|---|---|---|---|
| 2026 | 8 | $1.9M | 4 | 4 | $1.4M |
| 2025 | 4 | $1.3M | 4 | 4 | $2.7M |
| 2024 | 2 | $1.1M | 2 | 2 | $237,650 |
| 2023 | 4 | $2.2M | 2 | 7 | $1.4M |
| 2022 | 0 | – | – | 5 | $2.3M |
| 2021 | 0 | – | – | 74 | $129.9M |
| 2020 | 0 | – | – | 54 | $75.5M |
| 2019 | 3 | $131,250 | 3 | 24 | $16.6M |
| 2018 | 3 | $75,331 | 2 | 31 | $6.2M |
| 2017 | 2 | $42,300 | 2 | 9 | $1.3M |
| 2016 | 5 | $397,305 | 4 | 1 | $242,481 |
Insider purchases
| Filed | Insider | Role | Shares | Avg price | Value | Holdings | Filing |
|---|---|---|---|---|---|---|---|
| 2026-09-01 | Sakellaris George P | CEO | 3,000 | $22.13 | $66,390 | +0.3% | SEC |
| 2026-08-27 | Sakellaris George P | CEO | 5,000 | $22.66 | $113,280 | +0.5% | SEC |
| 2026-08-26 | Sutton Joseph W. | Director | 9,700 | $20.87 | $202,439 | +13.7% | SEC |
| 2026-08-26 | Sakellaris George P | CEO | 10,000 | $21.43 | $214,297 | +1.0% | SEC |
| 2026-08-26 | Miller Jennifer L | Director | 2,000 | $20.96 | $41,920 | +6.1% | SEC |
| 2026-08-25 | Cox Brian C | Director | 4,625 | $21.64 | $100,085 | +11.6% | SEC |
| 2026-08-11 | Cox Brian C | Director | 39,700 | $25.07 | $995,279 | SEC | |
| 2026-08-11 | Sakellaris George P | CEO | 7,000 | $25.85 | $180,920 | +0.7% | SEC |
| 2025-03-06 | Patton Charles R. | Director | 5,000 | $9.96 | $49,800 | +142.7% | SEC |
| 2025-03-06 | WISNESKI FRANCIS V JR | Director | 5,708 | $9.52 | $54,324 | +40.1% | SEC |
| 2025-03-06 | Sakellaris George P | CEO | 125,000 | $9.73 | $1.2M | +14.6% | SEC |
| 2025-03-06 | Johnson Claire D'Oyly-Hughes | Director | 1,800 | $9.95 | $17,910 | SEC | |
| 2024-11-19 | Sutton Joseph W. | Director | 15,000 | $26.22 | $393,300 | +12.7% | SEC |
| 2024-11-15 | Sakellaris George P | CEO | 25,000 | $26.54 | $663,500 | +3.0% | SEC |
| 2023-11-21 | Sakellaris George P | CEO | 10,000 | $28.76 | $287,622 | +0.9% | SEC |
| 2023-11-16 | Sakellaris George P | CEO | 25,000 | $27.33 | $683,343 | +2.3% | SEC |
| 2023-11-13 | Bulgarino Nicole E | CEO | 15,000 | $22.40 | $336,000 | +93.0% | SEC |
| 2023-11-13 | Sakellaris George P | CEO | 40,000 | $22.57 | $902,656 | +5.2% | SEC |
| 2019-08-16 | Murley Thomas S | Director | 1,000 | $13.89 | $13,890 | +10.5% | SEC |
| 2019-08-14 | Miller Jennifer L | Director | 4,000 | $14.15 | $56,600 | +50.0% | SEC |
| 2019-05-08 | STAVROPOULOS NICKOLAS | Director | 4,000 | $15.19 | $60,760 | SEC | |
| 2018-12-11 | Murley Thomas S | Director | 2,000 | $14.60 | $29,200 | +28.6% | SEC |
| 2018-12-04 | Miller Jennifer L | Director | 2,000 | $15.50 | $31,000 | +33.3% | SEC |
| 2018-05-07 | Murley Thomas S | Director | 1,339 | $11.30 | $15,131 | +26.8% | SEC |
| 2017-08-31 | Miller Jennifer L | Director | 2,000 | $7.45 | $14,900 | +50.0% | SEC |
| 2017-05-10 | Murley Thomas S | Director | 4,000 | $6.85 | $27,400 | SEC | |
| 2016-08-16 | Miller Jennifer L | Director | 2,000 | $5.02 | $10,047 | +100.0% | SEC |
| 2016-07-14 | GAGNON NEIL | 10% Owner | 9,863 | $5.21 | $51,386 | +1.8% | SEC |
| 2016-03-09 | GAGNON NEIL | 10% Owner | 15,530 | $5.06 | $78,582 | +2.9% | SEC |
| 2016-03-09 | Foy Douglas I | Director | 4,000 | $5.04 | $20,156 | +40.0% | SEC |
| 2016-01-12 | Sakellaris George P | CEO | 41,749 | $5.68 | $237,134 | +1.2% | SEC |
Insider sales
| Filed | Insider | Role | Shares | Avg price | Value | Type | Filing |
|---|---|---|---|---|---|---|---|
| 2026-06-02 | WISNESKI FRANCIS V JR | Director | 5,000 | $36.12 | $180,600 | Sale | SEC |
| 2026-05-21 | WISNESKI FRANCIS V JR | Director | 10,000 | $30.29 | $302,900 | Sale | SEC |
| 2026-05-19 | Miller Jennifer L | Director | 10,000 | $32.27 | $322,715 | Pre-planned (10b5-1) | SEC |
| 2026-02-23 | STAVROPOULOS NICKOLAS | Director | 16,100 | $34.15 | $549,755 | Pre-planned (10b5-1) | SEC |
| 2025-10-14 | Chiplock Mark | CFO | 23,899 | $41.89 | $1.0M | Pre-planned (10b5-1) | SEC |
| 2025-10-08 | Chiplock Mark | CFO | 15,600 | $39.35 | $613,787 | Pre-planned (10b5-1) | SEC |
| 2025-10-02 | Chiplock Mark | CFO | 5,602 | $37.95 | $212,596 | Pre-planned (10b5-1) | SEC |
| 2025-02-04 | Miller Jennifer L | Director | 40,000 | $21.06 | $842,529 | Pre-planned (10b5-1) | SEC |
| 2024-08-14 | Hole Spencer Doran | CFO | 5,000 | $26.53 | $132,650 | Sale | SEC |
| 2024-06-03 | Chiplock Mark | Officer | 3,000 | $35.00 | $105,000 | Sale | SEC |
| 2023-09-11 | Hole Spencer Doran | CFO | 5,000 | $41.86 | $209,300 | Sale | SEC |
| 2023-09-05 | WISNESKI FRANCIS V JR | Director | 5,000 | $44.19 | $220,970 | Sale | SEC |
| 2023-09-05 | Hole Spencer Doran | CFO | 5,000 | $43.54 | $217,700 | Sale | SEC |
| 2023-08-30 | WISNESKI FRANCIS V JR | Director | 5,000 | $43.92 | $219,580 | Sale | SEC |
| 2023-08-15 | WISNESKI FRANCIS V JR | Director | 2,163 | $50.13 | $108,431 | Sale | SEC |
Showing the latest 15 of 215 sales of $50,000+ since 2016.
Compiled automatically from public SEC filings. Not investment advice. Get every new insider purchase in the daily report.
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