amrc-20260817
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
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, | MA | 01701 | |||||||||||||
| (Address of Principal Executive Offices) | (Zip Code) | ||||||||||||||||
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 | ||||||
| Class A Common Stock, par value $0.0001 per share | AMRC | New 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 August 17, 2026, David J. Corrsin, 68, resigned from his position as a Class II director of the Company, effective immediately, in connection with retiring from the position as Executive Vice President and General Counsel, also effective August 17, 2026. Following his retirement, Mr. Corrsin will continue to serve as the Company's Special Legal Advisor.
Mr. Corrsin has served as a director of the Company since its formation in 2000. The Company thanks Mr. Corrsin for his many years of dedicated service and guidance as a member of the board of directors and looks forward to continuing to benefit from his experience in his role as Special Legal Advisor.
Mr. Corrsin’s resignation was not the result of any disagreement with the Company regarding its operations, policies, or practices.
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 | ||||||||||||||