Ameresco, Inc.

For the period ended Dec 31, 2025. Filed Mar 3, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Mar 3, 2026

AMRC$22.45+3.9%Stored close · as of Nov 9, 2026

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Contents

SIGNATURES

SIGNATURE

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	AMERESCO, INC.
Date: March 3, 2026	By:	/s/ George P. Sakellaris
		George P. Sakellaris
		President and Chief Executive Officer

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, this Annual Report on Form 10-K has been signed below by the following persons on behalf of the Registrant and in the capacities and on the dates indicated.

George P. Sakellaris
Signature	Title	Date
/s/ George P. Sakellaris	Chairman of the Board of , President and Chief Executive Officer (Principal Executive Officer)	March 3, 2026
/s/ Mark Chiplock	Executive Vice President, Chief Financial Officer and Chief Accounting Officer (Principal Financial and Accounting Officer)	March 3, 2026
Mark Chiplock
/s/ David J. Corrsin	Director	March 3, 2026
David J. Corrsin
/s/ Claire Hughes Johnson	Director	March 3, 2026
Claire Hughes Johnson
/s/ Nickolas Stavropoulos	Director	March 3, 2026
Nickolas Stavropoulos
/s/ Jennifer L. Miller	Director	March 3, 2026
Jennifer L. Miller
/s/ Joseph W. Sutton	Director	March 3, 2026
Joseph W. Sutton
/s/ Frank V. Wisneski	Director	March 3, 2026
Frank V. Wisneski
/s/ Charles R. Patton	Director	March 3, 2026
Charles R. Patton

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