<SEC-DOCUMENT>0001564590-20-034527-index.html : 20200730
<SEC-HEADER>0001564590-20-034527.hdr.sgml : 20200730
<ACCEPTANCE-DATETIME>20200730081718
ACCESSION NUMBER:		0001564590-20-034527
CONFORMED SUBMISSION TYPE:	8-K/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200717
ITEM INFORMATION:		Cost Associated with Exit or Disposal Activities
FILED AS OF DATE:		20200730
DATE AS OF CHANGE:		20200730

FILER:

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

	FILING VALUES:
		FORM TYPE:		8-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26481
		FILM NUMBER:		201059309

	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>8-K/A
<SEQUENCE>1
<FILENAME>fisi-8ka_20200717.htm
<DESCRIPTION>8-K/A
<TEXT>
Document 1 - file: fisi-8ka_20200717.htm

</DOCUMENT>
</SEC-DOCUMENT>