Ameresco, Inc. engages in the provision of energy services, including energy efficiency, infrastructure upgrades, asset sustainability, and renewable energy solutions for businesses and organizations throughout North America and Europe. It operates through the following segments: U.S. Regions, U.S. Federal, Canada, Non-Solar Distributed Generation (DG), and All Other. The U.S. Regions, U.S. Federal, and Canada segments offer energy efficiency products and services, such as design, engineering and installation of equipment and other measures to improve the efficiency and control the operation of a facility's energy infrastructure, and renewable energy solutions and services. The Non-Solar DG sells electricity, processed renewable gas fuel, heat or cooling, produced from renewable sources of energy, other than solar, and generated by small-scale plants, and operations and maintenance services for customer owned small-scale plants. The All Other segment focuses on the provision of enterprise energy management services, consulting services, and integrated-photovoltaic. The company was founded by George Peter Sakellaris on April 25, 2000 and is headquartered in Framingham, MA. |  |
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 | FounderMr. George P. Sakellaris P.E. Co-PresidentMr. Louis P. Maltezos Co-PresidentMs. Nicole Allen Bulgarino Chief Operating OfficerMr. Peter A. Christakis CEM Senior VP & Chief Investment OfficerMr. Joshua Riggi Baribeau CFA |
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| Insider Trading |
Relationship |
Date |
Transaction |
Cost |
#Shares |
Value ($) |
#Shares Total |
SEC Form 4 |
| Chiplock Mark | EVP, CFO & CAO | Sep 15 '26 | Sale | 22.46 | 476 | 10,691 | 2,815 | Sep 17 04:41 PM | | Maltezos Louis P | Co-President | Sep 15 '26 | Sale | 22.46 | 592 | 13,296 | 33,628 | Sep 17 04:40 PM | | Chiplock Mark | EVP, CFO & CAO | Sep 10 '26 | Option Exercise | 0.00 | 1,625 | 0 | 3,291 | Sep 14 04:42 PM | | Sakellaris George P | Chief Executive Officer | Sep 10 '26 | Option Exercise | 0.00 | 6,250 | 0 | 1,019,847 | Sep 14 04:42 PM | | Maltezos Louis P | Co-President | Sep 10 '26 | Option Exercise | 0.00 | 2,125 | 0 | 34,220 | Sep 14 04:42 PM | | Christakis Peter | Chief Operating Officer | Sep 10 '26 | Option Exercise | 0.00 | 1,750 | 0 | 15,106 | Sep 14 04:42 PM | | Bulgarino Nicole E | Co-President | Sep 10 '26 | Option Exercise | 0.00 | 1,875 | 0 | 61,171 | Sep 14 04:42 PM | | Sakellaris George P | Chief Executive Officer | Aug 28 '26 | Buy | 22.13 | 3,000 | 66,390 | 1,013,597 | Sep 01 08:09 AM | | Sakellaris George P | Chief Executive Officer | Aug 27 '26 | Buy | 22.84 | 4,000 | 91,360 | 1,010,597 | Aug 27 07:51 PM | | Sakellaris George P | Chief Executive Officer | Aug 26 '26 | Buy | 21.92 | 1,000 | 21,920 | 1,006,597 | Aug 27 07:51 PM | | Miller Jennifer L | Director | Aug 24 '26 | Buy | 20.96 | 2,000 | 41,920 | 34,546 | Aug 26 04:28 PM | | Sutton Joseph W. | Director | Aug 24 '26 | Buy | 20.87 | 9,700 | 202,439 | 80,246 | Aug 26 04:28 PM | | Sakellaris George P | Chief Executive Officer | Aug 25 '26 | Buy | 21.95 | 5,000 | 109,747 | 1,005,597 | Aug 26 04:28 PM | | Sakellaris George P | Chief Executive Officer | Aug 24 '26 | Buy | 20.91 | 5,000 | 104,550 | 1,000,597 | Aug 26 04:28 PM | | Cox Brian C | Director | Aug 21 '26 | Buy | 21.64 | 4,625 | 100,085 | 44,325 | Aug 25 07:25 PM | | Sakellaris George P | Chief Executive Officer | Aug 07 '26 | Buy | 25.95 | 5,000 | 129,750 | 993,597 | Aug 11 07:22 PM | | Sakellaris George P | Chief Executive Officer | Aug 11 '26 | Buy | 25.90 | 1,000 | 25,900 | 995,597 | Aug 11 07:22 PM | | Sakellaris George P | Chief Executive Officer | Aug 10 '26 | Buy | 25.27 | 1,000 | 25,270 | 994,597 | Aug 11 07:22 PM | | Cox Brian C | Director | Aug 10 '26 | Buy | 25.07 | 39,700 | 995,279 | 39,700 | Aug 11 07:22 PM | | Patton Charles R. | Director | Jun 04 '26 | Option Exercise | 0.00 | 10,435 | 0 | 23,824 | Jun 05 05:13 PM | | WISNESKI FRANCIS V JR | Director | Jun 04 '26 | Option Exercise | 0.00 | 10,435 | 0 | 35,667 | Jun 05 05:13 PM | | STAVROPOULOS NICKOLAS | Director | Jun 04 '26 | Option Exercise | 0.00 | 10,435 | 0 | 24,546 | Jun 05 05:13 PM | | Miller Jennifer L | Director | Jun 04 '26 | Option Exercise | 0.00 | 10,435 | 0 | 32,546 | Jun 05 05:13 PM | | Sutton Joseph W. | Director | Jun 04 '26 | Option Exercise | 0.00 | 10,435 | 0 | 70,546 | Jun 05 05:13 PM | | Johnson Claire D'Oyly-Hughes | Director | Jun 04 '26 | Option Exercise | 0.00 | 10,435 | 0 | 20,546 | Jun 05 05:12 PM | | WISNESKI FRANCIS V JR | Director | May 29 '26 | Option Exercise | 5.80 | 5,000 | 29,000 | 30,232 | Jun 02 05:47 PM | | WISNESKI FRANCIS V JR | Director | May 29 '26 | Sale | 36.12 | 5,000 | 180,600 | 25,232 | Jun 02 05:47 PM | | FRANK WISNESKI | Director | May 29 '26 | Proposed Sale | 36.12 | 5,000 | 180,575 | | May 29 04:11 PM | | WISNESKI FRANCIS V JR | Director | May 19 '26 | Option Exercise | 5.80 | 10,000 | 58,000 | 35,232 | May 21 09:00 AM | | WISNESKI FRANCIS V JR | Director | May 19 '26 | Sale | 30.29 | 10,000 | 302,900 | 25,232 | May 21 09:00 AM | | Miller Jennifer L | Director | May 18 '26 | Option Exercise | 4.74 | 10,000 | 47,400 | 32,111 | May 19 07:09 PM | | Miller Jennifer L | Director | May 18 '26 | Sale | 32.27 | 10,000 | 322,715 | 22,111 | May 19 07:09 PM | | STAVROPOULOS NICKOLAS | Director | May 15 '26 | Option Exercise | 16.33 | 1,355 | 22,127 | 15,466 | May 19 07:09 PM | | STAVROPOULOS NICKOLAS | Director | May 15 '26 | Sale | 34.00 | 1,355 | 46,070 | 14,111 | May 19 07:09 PM | | FRANK WISNESKI | Director | May 19 '26 | Proposed Sale | 30.29 | 10,000 | 302,904 | | May 19 04:21 PM | | JENNIFER MILLER | Director | May 18 '26 | Proposed Sale | 32.28 | 10,000 | 322,764 | | May 18 04:51 PM | | NICKOLAS STAVROPOULOS | Director | May 15 '26 | Proposed Sale | 33.28 | 1,355 | 45,094 | | May 15 04:32 PM | | Sutton Joseph W. | Director | Apr 23 '26 | Option Exercise | 4.74 | 10,000 | 47,400 | 60,111 | Apr 28 04:05 PM | | Sakellaris George P | President and CEO | Mar 10 '26 | Option Exercise | 0.00 | 3,750 | 0 | 988,597 | Mar 12 08:40 PM | | Bulgarino Nicole E | President - Federal & Utility | Mar 10 '26 | Option Exercise | 0.00 | 875 | 0 | 59,296 | Mar 12 08:40 PM | | Chiplock Mark | EVP, CFO & CAO | Mar 10 '26 | Option Exercise | 0.00 | 750 | 0 | 1,939 | Mar 12 08:39 PM | | Chiplock Mark | EVP, CFO & CAO | Mar 12 '26 | Sale | 25.31 | 273 | 6,910 | 1,666 | Mar 12 08:39 PM | | Bakas Michael T | President - Renewable Fuels | Mar 10 '26 | Option Exercise | 0.00 | 875 | 0 | 13,634 | Mar 12 08:39 PM | | Maltezos Louis P | President-Central&West USA Can | Mar 10 '26 | Option Exercise | 0.00 | 875 | 0 | 32,401 | Mar 12 08:39 PM | | Maltezos Louis P | President-Central&West USA Can | Mar 12 '26 | Sale | 25.31 | 306 | 7,745 | 32,095 | Mar 12 08:39 PM | | Corrsin David J | EVP and General Counsel | Mar 10 '26 | Option Exercise | 0.00 | 50 | 0 | 460 | Mar 12 08:39 PM | | Corrsin David J | EVP and General Counsel | Mar 12 '26 | Sale | 25.31 | 19 | 481 | 441 | Mar 12 08:39 PM | | Christakis Peter | President-EastUSA, ProjectRisk | Mar 10 '26 | Option Exercise | 0.00 | 750 | 0 | 13,356 | Mar 12 08:39 PM | | Corrsin David J | EVP and General Counsel | Mar 08 '26 | Option Exercise | 0.00 | 50 | 0 | 429 | Mar 10 06:57 PM | | Corrsin David J | EVP and General Counsel | Mar 10 '26 | Sale | 26.34 | 50 | 1,317 | 379 | Mar 10 06:57 PM | | Corrsin David J | EVP and General Counsel | Feb 27 '26 | Option Exercise | 4.64 | 20,000 | 92,800 | 20,471 | Feb 27 07:42 PM | | STAVROPOULOS NICKOLAS | Director | Feb 20 '26 | Option Exercise | 16.33 | 15,700 | 256,381 | 29,811 | Feb 23 06:18 PM | | STAVROPOULOS NICKOLAS | Director | Feb 19 '26 | Option Exercise | 16.33 | 400 | 6,532 | 14,511 | Feb 23 06:18 PM | | STAVROPOULOS NICKOLAS | Director | Feb 20 '26 | Sale | 34.15 | 15,700 | 536,155 | 14,111 | Feb 23 06:18 PM | | STAVROPOULOS NICKOLAS | Director | Feb 19 '26 | Sale | 34.00 | 400 | 13,600 | 14,111 | Feb 23 06:18 PM | | STAVROPOULOS NICKOLAS | Director | Feb 13 '26 | Option Exercise | 16.33 | 245 | 4,001 | 14,356 | Feb 13 06:57 PM | | STAVROPOULOS NICKOLAS | Director | Feb 12 '26 | Option Exercise | 16.33 | 200 | 3,266 | 14,311 | Feb 13 06:57 PM | | STAVROPOULOS NICKOLAS | Director | Feb 13 '26 | Sale | 34.05 | 245 | 8,342 | 14,111 | Feb 13 06:57 PM | | STAVROPOULOS NICKOLAS | Director | Feb 12 '26 | Sale | 34.00 | 200 | 6,800 | 14,111 | Feb 13 06:57 PM | | NICKOLAS STAVROPOULOS | Director | Feb 13 '26 | Proposed Sale | 33.29 | 17,700 | 589,233 | | Feb 13 04:27 PM | | NICKOLAS STAVROPOULOS | Director | Feb 12 '26 | Proposed Sale | 33.69 | 200 | 6,738 | | Feb 12 04:29 PM | | STAVROPOULOS NICKOLAS | Director | Jan 28 '26 | Option Exercise | 16.33 | 100 | 1,633 | 14,211 | Jan 30 05:27 PM | | STAVROPOULOS NICKOLAS | Director | Jan 28 '26 | Sale | 34.00 | 100 | 3,400 | 14,111 | Jan 30 05:27 PM | | NICKOLAS STAVROPOULOS | Director | Jan 28 '26 | Proposed Sale | 33.02 | 100 | 3,302 | | Jan 28 04:20 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 13 '25 | Option Exercise | 13.07 | 16,799 | 219,503 | 17,988 | Oct 14 04:29 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 09 '25 | Option Exercise | 12.65 | 7,100 | 89,827 | 8,289 | Oct 14 04:29 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 13 '25 | Sale | 42.70 | 16,799 | 717,394 | 1,189 | Oct 14 04:29 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 09 '25 | Sale | 39.97 | 7,100 | 283,787 | 1,189 | Oct 14 04:29 PM | | MARK CHIPLOCK | Officer | Oct 13 '25 | Proposed Sale | 38.18 | 16,799 | 641,386 | | Oct 14 07:41 AM | | MARK CHIPLOCK | Officer | Oct 09 '25 | Proposed Sale | 38.59 | 5,000 | 192,950 | | Oct 09 04:23 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 06 '25 | Option Exercise | 13.37 | 5,900 | 78,883 | 7,089 | Oct 08 09:16 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 07 '25 | Option Exercise | 13.37 | 5,900 | 78,883 | 7,089 | Oct 08 09:16 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 08 '25 | Option Exercise | 13.37 | 3,800 | 50,806 | 4,989 | Oct 08 09:16 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 07 '25 | Sale | 39.51 | 5,900 | 233,109 | 1,189 | Oct 08 09:16 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 06 '25 | Sale | 38.92 | 5,900 | 229,628 | 1,189 | Oct 08 09:16 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 08 '25 | Sale | 39.75 | 3,800 | 151,050 | 1,189 | Oct 08 09:16 PM | | MARK CHIPLOCK | Officer | Oct 08 '25 | Proposed Sale | 38.85 | 5,900 | 229,215 | | Oct 08 04:21 PM | | MARK CHIPLOCK | Officer | Oct 07 '25 | Proposed Sale | 38.25 | 5,900 | 225,675 | | Oct 07 04:21 PM | | MARK CHIPLOCK | Officer | Oct 06 '25 | Proposed Sale | 37.33 | 5,900 | 220,247 | | Oct 06 04:24 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 01 '25 | Option Exercise | 12.46 | 5,602 | 69,799 | 6,791 | Oct 02 09:44 PM | | Chiplock Mark | EVP, CFO & CAO | Oct 01 '25 | Sale | 37.95 | 5,602 | 212,596 | 1,189 | Oct 02 09:44 PM | | MARK CHIPLOCK | Officer | Oct 01 '25 | Proposed Sale | 33.58 | 5,602 | 188,115 | | Oct 01 04:38 PM |
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