<SEC-DOCUMENT>0001193125-24-275551-index.html : 20241211
<SEC-HEADER>0001193125-24-275551.hdr.sgml : 20241211
<ACCEPTANCE-DATETIME>20241211160759
ACCESSION NUMBER:		0001193125-24-275551
CONFORMED SUBMISSION TYPE:	FWP
PUBLIC DOCUMENT COUNT:		26
FILED AS OF DATE:		20241211
DATE AS OF CHANGE:		20241211

SUBJECT COMPANY:	

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

	FILING VALUES:
		FORM TYPE:		FWP
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	333-283475
		FILM NUMBER:		241541599

	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

FILED BY:		

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

	FILING VALUES:
		FORM TYPE:		FWP

	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>FWP
<SEQUENCE>1
<FILENAME>d876824dfwp.htm
<DESCRIPTION>FWP
<TEXT>
Document 1 - file: d876824dfwp.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g876824dsp001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g876824dsp001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g876824dsp002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g876824dsp002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g876824dsp003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g876824dsp003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g876824dsp004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g876824dsp004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g876824dsp005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g876824dsp005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g876824dsp006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g876824dsp006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g876824dsp007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g876824dsp007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g876824dsp008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g876824dsp008.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g876824dsp009.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g876824dsp009.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g876824dsp010.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g876824dsp010.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g876824dsp011.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g876824dsp011.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g876824dsp012.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g876824dsp012.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g876824dsp013.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g876824dsp013.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g876824dsp014.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g876824dsp014.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g876824dsp015.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g876824dsp015.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g876824dsp016.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g876824dsp016.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g876824dsp017.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g876824dsp017.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g876824dsp018.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g876824dsp018.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g876824dsp019.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g876824dsp019.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g876824dsp020.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g876824dsp020.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g876824dsp021.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g876824dsp021.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g876824dsp022.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g876824dsp022.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g876824dsp023.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g876824dsp023.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g876824dsp024.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g876824dsp024.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>g876824dsp025.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g876824dsp025.jpg

</DOCUMENT>
</SEC-DOCUMENT>