Samuel J. Burruano Jr. - 06 Mar 2025 Form 4/A - Amendment Insider Report for FINANCIAL INSTITUTIONS INC (FISI)

Role: Chief Legal Officer
Signature: SANDRA L. BYERS By Power of Attorney from Samuel J. Burruano, Jr.
Issuer symbol: FISI
Transactions as of: 06 Mar 2025
Net transactions value: $0
Form type: 4/A - Amendment
Filing time: 21 Mar 2025, 16:05:05 UTC
Date Of Original Report: 07 Mar 2025
Previous filing: 16 Dec 2024
Next filing: 18 Mar 2025
SEC: View on sec.gov

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 Unit						0	06 Mar 2025	Restricted Stock Unit	6,347		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.

Remarks:

This amendment is being filed to correct the number of restricted stock units granted, which were incorrectly calculated due to an administrative error.