ERIC W. MARKS - 05 Mar 2026 Form 4 Insider Report for FINANCIAL INSTITUTIONS INC (FISI)

Role
Chief Consumer Banking Officer
Signature
Sandra A. Byers by Power of Attorney from Eric W. Marks
Issuer symbol
FISI
Transactions as of
05 Mar 2026
Net transactions value
$0
Form type
4
Filing time
06 Mar 2026, 16:06:04 UTC
Previous filing
27 Mar 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
MARKS ERIC W. Chief Consumer Banking Officer 220 LIBERTY STREET, WARSAW Sandra A. Byers by Power of Attorney from Eric W. Marks 06 Mar 2026 0002061024

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
holding FISI Common Stock 0 05 Mar 2026 Direct

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
holding FISI Restricted Stock Units 0 05 Mar 2026 Restricted Stock Units 2,074 Direct F1
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Each restricted stock unit represents a contingent right to receive one share of FISI common stock.