Form 4 Filing for Jones Blake G

Blake G. Jones, Chief Marketing Officer of FINANCIAL INSTITUTIONS INC (FISI), reported a transaction on 2026-09-25. Jones acquired 1000 shares of Common Stock at a price of $0.0, and was granted 1000 Restricted Stock Units. Additionally, Jones disposed of 360 shares of Common Stock at $40.23 per share. Following these transactions, Jones directly owns 640 shares of Common Stock. Jones also indirectly owns 236 shares of Common Stock held in a 401(k) plan. The filing was signed by Sandra L. Byers under Power of Attorney for Jones.