AMRC 8-K
Ameresco, Inc. (AMRC)
8-K
2026-08-19
For: 2026-08-17
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Added on
August 19, 2026
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): August 17, 2026
(Exact Name of Registrant as Specified in Charter)
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Registrant’s telephone number, including area code: (508 ) 661-2200
(Former Name or Former Address, if Changed Since Last Report)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Securities registered pursuant to Section 12(b) of the Act:
| Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |||||||||||
| Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |||||||||||
| Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |||||||||||
| Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) | |||||||||||
| Title of Each Class | Trading Symbol | Name of exchange on which registered | ||||||
| Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1033 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter). | |||||||||||
| Emerging growth company | |||||||||||
| If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. | |||||||||||
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Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.
On August 17, 2026, the Company received notice that Mark A. Chiplock resigned as Executive Vice President, Chief Financial Officer and Chief Accounting Officer, effective September 25, 2026. Mr. Chiplock is leaving to pursue other professional opportunities. Mr. Chiplock's resignation was not the result of any disagreement with the Company on matters relating to the Company's operations, policies or practices. The Company has commenced a search for a Chief Financial Officer.
Item 7.01. Regulation FD
On August 19, 2026, the Company issued a press release related to the events described in item 5.02 hereof. A copy of the press release is furnished hereto as Exhibit 99.1 to this Current Report on Form 8-K and is incorporated herein by reference.
The information in Item 7.01 of this Current Report on Form 8-K, including the press release incorporated herein by reference, is being furnished and shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act, or otherwise subject to the liabilities of that section, and it shall not be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or under the Exchange Act, whether made before or after the date hereof, except as expressly set forth by specific reference in such filing to this Item 7.01 of this Current Report on Form 8-K.
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
The exhibits listed on the Exhibit Index immediately preceding such exhibits are furnished as part of this Current Report on Form 8-K
| EXHIBIT INDEX | ||||||||||||||
| Exhibit No. | Description | |||||||||||||
| 99.1 | ||||||||||||||
| 104 | Cover Page Interactive Data File (formatted as Inline XBRL) | |||||||||||||
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
| AMERESCO, INC. | ||||||||||||||
| August 19, 2026 | By: | /s/ George P. Sakellaris | ||||||||||||
| George P. Sakellaris | ||||||||||||||
| Chief Executive Officer | ||||||||||||||
Exhibit 99.1Media Contact:
Ameresco: Leila Dillon, 508-661-2264, [email protected]
Investor Relations: Eric Prouty, AdvisIRy Partners, 212.750.5800, [email protected]
Lynn Morgen, AdvisIRy Partners, 212.750.5800, [email protected]
Ameresco Announces Departure of Chief Financial Officer
FRAMINGHAM, MA, August 19, 2026 – Ameresco, Inc., (NYSE: AMRC), a leading energy infrastructure company, today announced that, effective September 25, 2026, Mark Chiplock has resigned as Chief Financial Officer to accept a CFO position at a private equity-owned company in a different industry.
“We appreciate the significant contributions Mark has made to our company during his tenure with us, and the strong financial team that he has built and mentored. Mark has been a valuable member of our executive leadership, and we are grateful for his leadership and wish him continued success in his new opportunity,” said George Sakellaris, CEO.
Mark will continue to serve as CFO through September 25, 2026, and will support an orderly transition of his responsibilities.
Ameresco is pleased to reiterate its guidance for full year 2026 revenue of $2.0 billion to $2.2 billion, Adjusted EBITDA of $250 million to $270 million, and Non-GAAP EPS of $1.15 to $1.35.
The company has begun a search to identify its next Chief Financial Officer who will join us in leading the company during this next transformation period of growth.
About Ameresco, Inc.
Ameresco, Inc. (NYSE: AMRC) is a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure. The company’s Power Infrastructure business integrates energy resources across behind-the-meter and utility-scale systems. Its Buildings & Public Infrastructure business modernizes the built environment with smart, connected solutions that optimize performance and enhance resilience. Ameresco is a trusted full lifecycle partner, delivering over $15 billion in solutions and contracting over 5 GW of energy resources since its founding in 2000. Headquartered in Massachusetts, Ameresco serves public and private sector customers across North America and Europe. Learn more at www.ameresco.com.
Safe Harbor Statement This release contains forward-looking statements within the meaning of Section 21E of the Exchange Act, and Section 27A of the Securities Act. Statements that do not relate strictly to historical or current facts are forward-looking.
Without limiting the generality of the foregoing, forward-looking statements contained herein specifically include expectations about market conditions, growth opportunities, financial guidance including estimated future revenues, net income, adjusted EBITDA, Non-GAAP EPS, and other statements containing the words “projects,” “believes,” “anticipates,” “plans,” “expects,” “will” and similar expressions .The forward-looking statements included herein involve risks and uncertainties that could cause actual results to differ materially from projected results. Accordingly, investors should not place undue reliance on forward-looking statements as a prediction of actual results. The Company has based these forward-looking statements on current expectations and assumptions about future events, taking into account all information currently known by the Company. While the Company considers these expectations and assumptions to be reasonable, they are inherently subject to significant business, economic, competitive, regulatory and other risks and uncertainties, many of which are difficult to predict and beyond the Company’s control. These risks and uncertainties include, but are not limited to: (i) demand for our energy efficiency and infrastructure solutions and our ability or inability to execute our strategic growth plan, including our ability to invest according to plan, grow our businesses (including through joint ventures or other co-investment vehicles and expand into new lines of business); (ii) the timing of, and ability to, enter into contracts for awarded projects on the terms proposed or at all; (iii) the timing of work we do on projects where we recognize revenue on a percentage of completion basis; (iv) the ability to perform under signed contracts without delay and in accordance with their terms and the potential for liquidated and other damages we may be subject to; (v) the fiscal health of the government and the impact of any government shutdowns; (vi) our ability to complete and operate our projects on a profitable basis and as committed to our customers; (vii) our cash flows from operations and our ability to arrange financing to fund our operations and projects; (viii) our customers’ ability to finance their projects and credit risk from our customers; (ix) our ability to comply with covenants in our existing debt agreements; (x) the impact of macroeconomic challenges, weather related events and climate change; (xi) our reliance on third parties for our construction and installation work; (xii) availability and cost of labor and equipment; (xiii) global supply chain challenges, component shortages and inflationary pressures; (xiv) changes in federal, state and local government policies and programs related to our business; (xv) the ability of customers to cancel or defer contracts included in our backlog; (xvi) the output and performance of our energy plants and energy projects; (xvii) cybersecurity incidents and breaches; (xviii) regulatory and other risks inherent to constructing and operating energy assets; (xix) the effects of and ability to close our acquisitions and joint ventures; (xx) seasonality in construction and in demand for our products and services; (xxi) a customer’s decision to delay our work on, or other risks involved with, a particular project; (xxii) the addition of new customers or the loss of existing customers; (xxiii) market price of our Class A Common stock prevailing from time to time; (xxiv) the nature of other investment opportunities presented to our Company from time to time; (xxv) risks related to our international operation and international growth strategy; and (xxvi) the other risks described in our periodic reports filed with the SEC, including under the caption “Risk Factors” in Part I, Item 1A of our Annual Report. Except as required by law, we undertake no obligation to update any forward-looking statements appearing in this press release.