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Ameresco (NYSE: AMRC) adds data center veteran Brian Cox to its board

(High)
(Neutral)
Form Type
8-K

Rhea-AI Filing Summary

Ameresco, Inc. appointed Brian Cox as a Class III director effective August 1, 2026, with his term running until the 2028 annual meeting of stockholders. He will serve on the Board’s Audit and Nominating and Governance Committees.

Cox, 53, has over 20 years of experience in data center energy infrastructure, including founding and leading STACK Infrastructure and senior roles at Cologix, Tempo Financial and KPMG. His compensation and indemnification arrangements match those of other non-employee directors, and the company reports no related-party relationships or transactions. Ameresco announced the appointment in a July 27, 2026 press release.

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Filing Explained

Ameresco’s appointment of Brian Cox is reported under Item 5.02, effective August 1, 2026; the July 27 press release is furnished under Item 7.01 and is not treated as filed under Section 18.

Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers Governance
Key personnel changes including departures, elections, or appointments of directors and executive officers.
Item 7.01 Regulation FD Disclosure Disclosure
Material non-public information disclosed under Regulation Fair Disclosure, often investor presentations or guidance.
Item 9.01 Financial Statements and Exhibits Exhibits
Financial statements, pro forma financial information, and exhibit attachments filed with this report.
Board appointment effective date August 1, 2026 Effective date Brian Cox joins Ameresco board as a Class III director
Director age 53 years Age of Brian Cox at the time of his appointment to the board
Industry experience over 20 years Brian Cox’s experience in the data center energy infrastructure industry
Solutions delivered over $15 billion Value of energy infrastructure solutions Ameresco has delivered since 2000
Energy resources contracted over 5 GW Energy resources Ameresco has contracted since its founding in 2000
Class III director regulatory
"appointed Brian Cox as a Class III director of the Company"
A Class III director is a board member placed in one of the numbered groups used by companies with a staggered (or “classified”) board; that director’s seat typically comes up for election in the third year of a three-year rotation. For investors this matters because staggered terms create continuity but also make it harder to replace the whole board quickly, affecting shareholder influence, takeover dynamics and how fast new strategy or accountability can be implemented — like replacing only some players on a sports team each season instead of the whole roster at once.
Non-Employee Director Compensation Policy financial
"provided to all of the Company’s non-employee directors pursuant to the Company’s Non-Employee Director Compensation Policy"
indemnification agreement regulatory
"the Company will enter into an indemnification agreement with Mr. Cox"
An indemnification agreement is a contract in which one party promises to cover losses, costs, or legal claims that another party might face, acting like a tailored safety net or private insurance policy. For investors, it matters because such agreements shift potential financial risk away from a company or its officers and onto the indemnifier, which can affect a company’s future liabilities, cash flow and how risky the investment appears during deal-making or litigation.
Item 404(a) of Regulation S-K regulatory
"no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K"
hyperscale data center solutions technical
"STACK grew into a leading provider of hyperscale data center solutions"
behind-the-meter technical
"integrates energy resources across behind-the-meter and utility-scale systems"
Equipment or systems located on a customer’s side of the electricity meter—such as rooftop solar panels, battery storage, electric vehicle chargers, or energy controls—that generate, store, or manage power for use on-site rather than being supplied through the utility’s grid. Investors care because behind-the-meter assets change how much power a customer buys, can create new revenue or savings streams, affect demand patterns, and shift regulatory or business models in the energy market, much like a homeowner installing their own water tank reduces municipal supply needs.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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FAQ

What board change did Ameresco (AMRC) announce?

Ameresco appointed Brian Cox as a Class III director effective August 1, 2026. His term runs until the 2028 annual meeting, and he will serve on the Audit and Nominating and Governance Committees, bringing extensive data center energy infrastructure experience to the board.

Who is Brian Cox, newly appointed to Ameresco (AMRC)’s board?

Brian Cox is the founder and former CEO of STACK Infrastructure with over 20 years in data center energy infrastructure. He previously served as COO and CFO of Cologix, held leadership roles at Tempo Financial and KPMG, and is a Certified Public Accountant with MBA and BBA degrees.

When does Brian Cox’s term as Ameresco (AMRC) director expire?

Brian Cox’s term as a Class III director will expire at Ameresco’s 2028 annual meeting of stockholders. He will continue to serve until that meeting and until his successor is elected and qualified, consistent with the company’s classified board structure for Class III directors.

On which Ameresco (AMRC) board committees will Brian Cox serve?

Brian Cox will serve on Ameresco’s Audit Committee and its Nominating and Governance Committee. These roles give him oversight responsibilities in financial reporting, governance, and board composition, aligning with his background in capital allocation, corporate strategy, and large-scale infrastructure platforms.

How will Brian Cox be compensated as a director of Ameresco (AMRC)?

Brian Cox’s compensation will follow Ameresco’s existing Non-Employee Director Compensation Policy. This is the same framework used for all non-employee directors, and the company will also enter into a standard-form indemnification agreement with him, similar to those for its other directors.

What scale of energy projects has Ameresco (AMRC) delivered since 2000?

Since its founding in 2000, Ameresco has delivered over $15 billion in energy infrastructure solutions and contracted over 5 GW of energy resources. These figures highlight the company’s long-term activity across power infrastructure, behind-the-meter systems, and utility-scale projects in North America and Europe.
FALSE000148813900014881392026-07-222026-07-22


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): July 22, 2026
Ameresco, Inc.
(Exact Name of Registrant as Specified in Charter)
Delaware 001-34811 04-3512838
(State or Other Juris-
diction of Incorporation)
 (Commission
File Number)
 (IRS Employer
Identification No.)
111 Speen Street, Suite 410,Framingham,MA1701
(Address of Principal Executive Offices)(Zip Code)
Registrant’s telephone number, including area code: (508661-2200
(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:
 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))
Securities registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading SymbolName of exchange on which registered
Class A Common Stock, par value $0.0001 per shareAMRCNew York Stock Exchange

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.







Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On July 22, 2026, the board of directors ("Board") of Ameresco, Inc. (the "Company") appointed Brian Cox as a class III director of the Company, effective as of August 1, 2026. The term of the Company’s class III directors, including Mr. Cox, expires on the date of the Company’s annual meeting of stockholders to be held in 2028 and until the election and qualification of successor directors.
Mr. Cox, 53, has over 20 years of experience of the data center energy infrastructure industry and is the founder and former chief executive officer of STACK Infrastructure Holdings ("STACK"), a global digital infrastructure platform. Prior to founding STACK, he served as Chief Operating Officer and Chief Financial Officer at Cologix, Inc. and held leadership positions at Tempo Financial Holdings Corporation and KPMG LLP.

Mr. Cox will also serve on our Board as a member of the Board’s Audit and Nominating and Governance Committees.

Mr. Cox's compensation will be consistent with that provided to all of the Company’s non-employee directors pursuant to the Company’s Non-Employee Director Compensation Policy, which was filed as Exhibit 10.1 to the Company’s Form 10-Q for the quarter ended March 31, 2026. In addition, the Company will enter into an indemnification agreement with Mr. Cox in connection with his appointment to the Board, which is in substantially the same form as that entered into with the other directors of the Company.

There is no arrangement or understanding pursuant to which Mr. Cox was appointed to the Board. There are no family relationships between Mr. Cox and any director or executive officer of the Company, and Mr. Cox has no direct or indirect material interest in any transaction required to be disclosed pursuant to Item 404(a) of Regulation S-K.


Item 7.01. Regulation FD

On July 27, 2026, the Company issued a press release announcing the appointments 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
Press Release dated July 27, 2026
104Cover 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.
July 27, 2026By:/s/ Mark A. Chiplock
Mark A. Chiplock
Executive Vice President, Chief Financial Officer


Exhibit 99.1
Media Contact:
Ameresco: Leila Dillon, 508-661-2264, news@ameresco.com

Ameresco Appoints Brian Cox to Board of Directors
New board appointment brings deep experience in data center energy infrastructure

FRAMINGHAM, MA, JULY 27, 2026 Ameresco, Inc., (NYSE: AMRC), a leading energy infrastructure company delivering integrated solutions to create reliable power and modernize infrastructure, today announced the appointment of Brian Cox to its Board of Directors.

Mr. Cox brings more than two decades of leadership experience in data center energy infrastructure, capital allocation, corporate strategy, and business scaling. He is the founder and former Chief Executive Officer of STACK Infrastructure, a global digital infrastructure platform. Under his leadership, STACK grew into a leading provider of hyperscale data center solutions and achieved significant expansion through strategic development and acquisitions.

“We are pleased to welcome Brian to Ameresco’s Board of Directors,” said George Sakellaris, Chief Executive Officer of Ameresco. “Brian’s extensive experience building and scaling complex infrastructure platforms, together with his capital markets and strategic leadership experience, will provide valuable perspective as Ameresco continues to deliver energy infrastructure solutions that help meet customers’ growing power demands and infrastructure modernization needs.”

Prior to founding STACK, Mr. Cox served as Chief Operating Officer and Chief Financial Officer at Cologix, Inc. and held leadership positions at Tempo Financial Holdings Corporation and KPMG LLP. Mr. Cox serves on the boards of STACK and Gigabit Fiber. He earned a Bachelor of Business Administration from Texas Christian University and an MBA from the University of Colorado. Mr. Cox is a Certified Public Accountant and served as an officer in the United States Army Reserve.

"I am honored to join Ameresco's Board of Directors," said Brian Cox. "The convergence of growing energy demand, digital infrastructure expansion, and the need for resilient power solutions is creating significant opportunities across the energy sector. Ameresco has established itself as a trusted partner in helping organizations strengthen energy reliability and deploy critical power infrastructure. I look forward to working with my fellow directors and the management team to support the company's continued growth and help create long-term value for customers, shareholders, and other stakeholders."

To learn more about Ameresco, please visit https://www.ameresco.com/.

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.

Filing Exhibits & Attachments

4 documents