{"schema_version":"secwatch.filing_event.v1","accession":"0001437749-26-029510","form_type":"8-K","ticker":"FTEK","cik":"0000846913","company_name":"FUEL TECH, INC.","filed_at":"2026-09-02T20:02:36+00:00","discovered_at":"2026-09-02T20:03:10.522657+00:00","generated_at":"2026-09-02T20:03:15.668031+00:00","sec_items":["5.02"],"event_type":"leadership","sentiment":"neutral","materiality_score":0.45,"calibrated_materiality_score":0.45,"confidence":"high","headline":"Fuel Tech Chairman Arnone to resign Sept 15; Sharon Jones named successor","bullets":["Vincent J. Arnone resigns as Chairman of the Board, effective September 15, 2026.","Arnone will remain a member of the Board; resignation not due to any disagreement with the Company.","Sharon L. Jones, existing independent director, elected Chairman, effective September 16, 2026."],"urls":{"canonical":"https://secwatch.observer/filing/0001437749-26-029510","json":"https://secwatch.observer/filing/0001437749-26-029510.json","markdown":"https://secwatch.observer/filing/0001437749-26-029510.md","text":"https://secwatch.observer/filing/0001437749-26-029510.txt","edgar_index":"https://www.sec.gov/Archives/edgar/data/846913/000143774926029510/0001437749-26-029510-index.htm","edgar_primary_document":"https://www.sec.gov/Archives/edgar/data/846913/000143774926029510/ftek20260828_8k.htm"},"model":{"generated_by":"deepseek-v4-flash:cloud@v2","generated_at":"2026-09-02T20:03:15.668031+00:00"},"review":{"review_status":"machine_generated","human_reviewed":false,"corrected":false,"correction_note":null,"correction_timestamp":null,"superseded_by":null,"related_filings":[]},"source_grounded_claims":[],"license":"Source filings: public domain (SEC EDGAR). Summaries (headline + bullets): CC-BY-4.0; attribute https://secwatch.observer"}