{"filing":{"accession_number":"0001628280-26-057952","cik":"0001488139","ticker":"AMRC","company_name":"Ameresco, Inc.","form":"8-K","filing_date":"2026-08-19","report_date":"2026-08-17","primary_document":"amrc-20260817.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/1488139/000162828026057952/amrc-20260817.htm"},"events":[{"id":28511,"run_id":26083,"accession_number":"0001628280-26-057952","anchor_item_number":"5.02","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"summary":"Mark A. Chiplock resigned as Executive Vice President, Chief Financial Officer and Chief Accounting Officer of Ameresco, Inc., effective September 25, 2026, to pursue other professional opportunities. The company has begun a search for a replacement and reaffirmed its financial guidance.","company_name":"Ameresco, Inc.","ticker":"AMRC","filing_date":"2026-08-19","form":"8-K","submitted_at":null,"items":[{"id":30477,"accession_number":"0001628280-26-057952","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Mark A. Chiplock resigned as Executive Vice President, Chief Financial Officer and Chief Accounting Officer, effective September 25, 2026, to pursue other professional opportunities. The 8-K Item 5.02 disclosure and press release both center on his departure from a senior executive role. While the company notes the resignation was not due to disagreement and reiterates financial guidance, the principal disclosed action is a named executive officer leaving the company.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-19T20:13:40.026947+00:00","company_name":"","ticker":null,"filing_date":""},{"id":30478,"accession_number":"0001628280-26-057952","item_number":"7.01","item_title":"Regulation FD","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The press release announces that Mark Chiplock, Chief Financial Officer of Ameresco, has resigned effective September 25, 2026, to accept a CFO position at another company. This is a clear executive departure of a named executive officer in a senior financial leadership role. While the company reiterates guidance and states it has begun a search for a replacement, the principal disclosed action is the CFO's resignation.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-19T20:13:40.026947+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":30477,"accession_number":"0001628280-26-057952","item_number":"5.02","item_title":"Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"Mark A. Chiplock resigned as Executive Vice President, Chief Financial Officer and Chief Accounting Officer, effective September 25, 2026, to pursue other professional opportunities. The 8-K Item 5.02 disclosure and press release both center on his departure from a senior executive role. While the company notes the resignation was not due to disagreement and reiterates financial guidance, the principal disclosed action is a named executive officer leaving the company.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-19T20:13:40.026947+00:00","company_name":"Ameresco, Inc.","ticker":"AMRC","filing_date":"2026-08-19"},{"id":30478,"accession_number":"0001628280-26-057952","item_number":"7.01","item_title":"Regulation FD","event_type":"exec_departure","event_domain":"governance","is_material":true,"confidence":0.95,"reasoning":"The press release announces that Mark Chiplock, Chief Financial Officer of Ameresco, has resigned effective September 25, 2026, to accept a CFO position at another company. This is a clear executive departure of a named executive officer in a senior financial leadership role. While the company reiterates guidance and states it has begun a search for a replacement, the principal disclosed action is the CFO's resignation.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-19T20:13:40.026947+00:00","company_name":"Ameresco, Inc.","ticker":"AMRC","filing_date":"2026-08-19"}]}