{"filing":{"accession_number":"0001437749-26-025704","cik":"0000846913","ticker":"FTEK","company_name":"FUEL TECH, INC.","form":"8-K","filing_date":"2026-08-04","report_date":"2026-07-31","primary_document":"ftek20260803_8k.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/846913/000143774926025704/ftek20260803_8k.htm"},"events":[{"id":23717,"run_id":21449,"accession_number":"0001437749-26-025704","anchor_item_number":"5.02","event_type":"exec_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"summary":"The filing discloses both the resignation of CEO Vincent J. Arnone (effective August 10, 2026) and the appointment of Ramesh Nuggihalli as the new Chief Executive Officer and President (effective August 10, 2026). While both events are disclosed, the principal action centers on the appointment of a new CEO following a months-long executive search process. The appointment is material to investors as it represents a significant leadership transition at the company. The compensatory arrangements disclosed in section (e) are ancillary to the appointment itself.","company_name":"FUEL TECH, INC.","ticker":"FTEK","filing_date":"2026-08-04","form":"8-K","submitted_at":null,"items":[{"id":24030,"accession_number":"0001437749-26-025704","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_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The filing discloses both the resignation of CEO Vincent J. Arnone (effective August 10, 2026) and the appointment of Ramesh Nuggihalli as the new Chief Executive Officer and President (effective August 10, 2026). While both events are disclosed, the principal action centers on the appointment of a new CEO following a months-long executive search process. The appointment is material to investors as it represents a significant leadership transition at the company. The compensatory arrangements disclosed in section (e) are ancillary to the appointment itself.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T00:30:12.614169+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":24030,"accession_number":"0001437749-26-025704","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_appointment","event_domain":"governance","is_material":true,"confidence":0.75,"reasoning":"The filing discloses both the resignation of CEO Vincent J. Arnone (effective August 10, 2026) and the appointment of Ramesh Nuggihalli as the new Chief Executive Officer and President (effective August 10, 2026). While both events are disclosed, the principal action centers on the appointment of a new CEO following a months-long executive search process. The appointment is material to investors as it represents a significant leadership transition at the company. The compensatory arrangements disclosed in section (e) are ancillary to the appointment itself.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-05T00:30:12.614169+00:00","company_name":"FUEL TECH, INC.","ticker":"FTEK","filing_date":"2026-08-04"}]}