Form 4 Filing for Ameresco, Inc.

This Form 4 filing details transactions by NICKOLAS STAVROPOULOS, a director at Ameresco, Inc. On June 4, 2026, 4812 Restricted Stock Units (RSUs) were granted, with each RSU convertible to one share of Class A Common Stock. These RSUs vest in full on the first anniversary of the grant date, contingent upon continued service. Concurrently, a prior transaction involving 10435 shares of Class A Common Stock, acquired on the same date, was marked as disposed. Following these transactions, Mr. Stavropoulos holds 24546 shares of Class A Common Stock.