{"filing":{"accession_number":"0001193125-26-368299","cik":"0000862831","ticker":"FIISP","company_name":"FINANCIAL INSTITUTIONS INC","form":"8-K","filing_date":"2026-08-26","report_date":"2026-08-26","primary_document":"fisi-20260826.htm","primary_document_url":"https://www.sec.gov/Archives/edgar/data/862831/000119312526368299/fisi-20260826.htm"},"events":[{"id":29737,"run_id":27243,"accession_number":"0001193125-26-368299","anchor_item_number":"7.01","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.98,"summary":"The filing discloses the Board of Directors' declaration of quarterly cash dividends on common shares ($0.32 per share), Series A preferred stock ($0.75 per share), and Series B-1 preferred stock ($2.12 per share), all payable October 2, 2026. This is a routine but material dividend declaration that affects shareholder returns and is typically disclosed via Item 7.01 Regulation FD Disclosure.","company_name":"FINANCIAL INSTITUTIONS INC","ticker":"FIISP","filing_date":"2026-08-26","form":"8-K","submitted_at":null,"items":[{"id":32118,"accession_number":"0001193125-26-368299","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"The filing discloses the Board of Directors' declaration of quarterly cash dividends on common shares ($0.32 per share), Series A preferred stock ($0.75 per share), and Series B-1 preferred stock ($2.12 per share), all payable October 2, 2026. This is a routine but material dividend declaration that affects shareholder returns and is typically disclosed via Item 7.01 Regulation FD Disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-26T20:08:58.423724+00:00","company_name":"","ticker":null,"filing_date":""}]}],"classifications":[{"id":32118,"accession_number":"0001193125-26-368299","item_number":"7.01","item_title":"Regulation FD Disclosure.","event_type":"dividend_distribution","event_domain":"financial","is_material":true,"confidence":0.98,"reasoning":"The filing discloses the Board of Directors' declaration of quarterly cash dividends on common shares ($0.32 per share), Series A preferred stock ($0.75 per share), and Series B-1 preferred stock ($2.12 per share), all payable October 2, 2026. This is a routine but material dividend declaration that affects shareholder returns and is typically disclosed via Item 7.01 Regulation FD Disclosure.","classifier_version":"claude-haiku-4-5-20251001+prompt-a85dd512","taxonomy_version":"v1.3","classified_at":"2026-08-26T20:08:58.423724+00:00","company_name":"FINANCIAL INSTITUTIONS INC","ticker":"FIISP","filing_date":"2026-08-26"}]}