FINANCIAL INSTITUTIONS INC current report, 08 September 2026

Business Context and Reporting Period

This Form 8-K is a current report filed by Financial Institutions, Inc. (FISI) on September 8, 2026. The filing addresses corporate governance changes, specifically the departure of a director and the reclassification of another director to maintain equal class sizes on the Board of Directors.

Key Financial Metrics

The filing text does not provide a clear value for revenue, profit, cash flow, margins, debt, or liquidity. This report focuses exclusively on personnel and governance matters.

Material Changes

  • Director Departure: Bruce W. Harting retired from the Board of Directors of Financial Institutions, Inc. and its subsidiary, Five Star Bank, effective September 1, 2026. His departure was voluntary and not due to any disagreement with the Company.
  • Board Size Reduction: The Board size decreased from thirteen to twelve members following Mr. Harting's retirement.
  • Director Reclassification: To rebalance the Board's three classes to four members each, Susan R. Holliday (Chair of the Board) was reclassified from the 2029 Class to the 2028 Class effective September 3, 2026. Her service is deemed uninterrupted, and her compensation and committee assignments remain unchanged.

Guidance, Outlook, and Risks

The filing contains no financial guidance, outlook, or discussion of material risks and contingencies. Management commentary is limited to confirming that Mr. Harting's retirement was for personal reasons and that Ms. Holliday's reclassification was a procedural necessity to comply with the Company's Bylaws.

Investor Verification Checklist

  • Verify the updated composition of the Board of Directors and the specific terms of the three director classes.
  • Confirm that no other undisclosed disagreements or operational issues prompted Mr. Harting's departure.
  • Review the Company's definitive proxy statement (Schedule 14A) filed on April 6, 2026, for detailed background on Ms. Holliday and current compensation arrangements.