---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-25-248744"
form_type: "8-K"
ticker: "FISI"
cik: "0000862831"
company_name: "FINANCIAL INSTITUTIONS INC"
filed_at: "2025-10-23T23:59:59+00:00"
generated_at: "2026-05-17T02:38:39.532631+00:00"
event_type: "earnings"
sentiment: "neutral"
materiality_score: 0.5
calibrated_materiality_score: 0.5
confidence: "low"
source: SEC EDGAR
---

# Q3 2025 results announced; financial details not provided in filing text

## Summary
- Press release issued October 23, 2025 for quarter ended September 30, 2025.
- Investor presentation available on company website (www.FISI-investors.com).
- Specific financial figures are not included in this 8-K filing; refer to exhibit 99.1.

## SEC filing metadata
- accession: 0001193125-25-248744
- form_type: 8-K
- ticker: FISI
- cik: 0000862831
- company_name: FINANCIAL INSTITUTIONS INC
- filed_at: 2025-10-23T23:59:59+00:00
- event_type: earnings
- sentiment: neutral
- materiality_score: 0.5
- calibrated_materiality_score: 0.5
- confidence: low
- sec_items: 2.02, 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/862831/000119312525248744/0001193125-25-248744-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/862831/000119312525248744/fisi-20250930.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-25-248744
- JSON: https://secwatch.observer/filing/0001193125-25-248744.json
- Plain text: https://secwatch.observer/filing/0001193125-25-248744.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.