Form 4 Filing for Charles R. Patton

Charles R. Patton, a director at Ameresco, Inc., was granted 10,435 Restricted Stock Units (RSUs) on June 4, 2026, under the company's non-employee director compensation plan. Each RSU represents a contingent right to one share of Ameresco, Inc. Class A Common Stock. These RSUs are subject to vesting in full on the first anniversary of the grant date, provided that service with the company continues through that date. Following this transaction, Mr. Patton has no shares directly owned, as indicated by the post-transaction shares of 0 for the RSUs. The filing also notes a non-derivative transaction where 10,435 shares of Class A Common Stock were acquired, resulting in a post-transaction ownership of 23,824 shares. The price per share for both transactions is reported as $0.0.