Ameresco Inc.

Last updated September 27, 2026

Organization details

Legal name
Ameresco Inc.
Ownership
Public
Status
Active
Sector (GICS)
Industrials
SIC code
1700 — Construction - Special Trade Contractors
Jurisdiction of incorporation
Delaware
Headquarters city
Framingham
Headquarters state / province
Massachusetts
Headquarters country
United States
Fiscal year end
December
Ticker symbol
AMRC
Primary stock exchange
NYSE

Identifiers

SEC CIK
0001488139
EIN
04-3512838

Board of directors

Chief executives

George P. Sakellaris · President and CEO
Dates unknown

Director election results

Annual meeting of June 4, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.

Board connections

3 of this board's directors also sit on 6 other boards. 1 is in the same sector.

Network of Ameresco Inc.'s board connections Aurora Innovation Inc. Aurora Innovation Inc. California Water Service Group California Water Servi... Centuri Holdings Inc. Centuri Holdings Inc. HubSpot Inc. HubSpot Inc. ONE Gas Inc. ONE Gas Inc. Sterling Infrastructure Inc. Sterling Infrastructur... Charles R. Patton Charles R. Patton Claire D'Oyly-Hughes Johnson Claire D'Oyly-Hughes... Nickolas Stavropoulos Nickolas Stavropoulo... Ameresco Inc.
Shared director Other board Same sector

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.

Bought, last 12 months
$1,914,610
13 purchases by 4 insiders
Sold, last 12 months
$1,461,022
16 sales by 6 insiders
Date Insider Transaction Shares Price Value
Sep 15, 2026 Maltezos Louis P Officer (Co-President) Open-market sale −592 $22.46 $13,296
Sep 15, 2026 Chiplock Mark Officer (EVP, CFO & CAO) Open-market sale −476 $22.46 $10,691
Sep 10, 2026 Nicole E. Bulgarino Officer (Co-President) Option exercise +1,875 — —
Sep 10, 2026 Christakis Peter Officer (Chief Operating Officer) Option exercise +1,750 — —
Sep 10, 2026 Maltezos Louis P Officer (Co-President) Option exercise +2,125 — —
Sep 10, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Option exercise +6,250 — —
Sep 10, 2026 Chiplock Mark Officer (EVP, CFO & CAO) Option exercise +1,625 — —
Aug 28, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Open-market purchase +3,000 $22.13 $66,390
Aug 27, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Open-market purchase +4,000 $22.84 $91,360
Aug 26, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Open-market purchase +1,000 $21.92 $21,920
Aug 25, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Open-market purchase +938 $21.60 $20,261
Aug 25, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Open-market purchase +4,062 $22.03 $89,486
Aug 24, 2026 George P. Sakellaris Director, Officer (Chief Executive Officer), 10% owner Open-market purchase +5,000 $20.91 $104,550
Aug 24, 2026 Joseph W. Sutton Director Open-market purchase +9,700 $20.87 $202,439
Aug 24, 2026 Jennifer L. Miller Director Open-market purchase +2,000 $20.96 $41,920

Organizations in the same sector, closest in location and size first.

Questions about Ameresco Inc.

Who is the CEO of Ameresco Inc.?

George P. Sakellaris is Ameresco Inc.'s President and CEO.

How many directors are on Ameresco Inc.'s board?

Ameresco Inc.'s board has 9 directors: Brian C. Cox, Charles R. Patton, Claire D'Oyly-Hughes Johnson, David J. Corrsin, Francis V. Wisneski Jr., George P. Sakellaris, Jennifer L. Miller, Joseph W. Sutton and Nickolas Stavropoulos.

Are Ameresco Inc. insiders buying or selling shares?

Over the last 12 months, Ameresco Inc. insiders bought $1.9 million of shares in 13 purchases and sold $1.5 million of shares in 16 sales on the open market, as reported to the SEC on Forms 4 and 5.

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