<SEC-DOCUMENT>0000950170-25-053503-index.html : 20250414
<SEC-HEADER>0000950170-25-053503.hdr.sgml : 20250414
<ACCEPTANCE-DATETIME>20250414080010
ACCESSION NUMBER:		0000950170-25-053503
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241231
FILED AS OF DATE:		20250414
DATE AS OF CHANGE:		20250414
EFFECTIVENESS DATE:		20250414

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FINANCIAL INSTITUTIONS INC
		CENTRAL INDEX KEY:			0000862831
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		ORGANIZATION NAME:           	02 Finance
		EIN:				160816610
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26481
		FILM NUMBER:		25834238

	BUSINESS ADDRESS:	
		STREET 1:		220 LIBERTY STREET
		CITY:			WARSAW
		STATE:			NY
		ZIP:			14569
		BUSINESS PHONE:		5857861100

	MAIL ADDRESS:	
		STREET 1:		220 LIBERTY STREET
		CITY:			WARSAW
		STATE:			NY
		ZIP:			14569
</SEC-HEADER>
<DOCUMENT>
<TYPE>ARS
<SEQUENCE>1
<FILENAME>2025_fisi_ars.pdf
<DESCRIPTION>ARS
<TEXT>
Document 1 - file: 2025_fisi_ars.pdf

</DOCUMENT>
</SEC-DOCUMENT>