<SEC-DOCUMENT>0001193125-16-577925-index.html : 20160504
<SEC-HEADER>0001193125-16-577925.hdr.sgml : 20160504
<ACCEPTANCE-DATETIME>20160504171313
ACCESSION NUMBER:		0001193125-16-577925
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		25
FILED AS OF DATE:		20160504
DATE AS OF CHANGE:		20160504
EFFECTIVENESS DATE:		20160504

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26481
		FILM NUMBER:		161620470

	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>DEFA14A
<SEQUENCE>1
<FILENAME>d184532ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d184532ddefa14a.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>g184532100.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: g184532100.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>g1845321000.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: g1845321000.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g184532101.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g184532101.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>g184532102.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 5 - file: g184532102.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>g184532103.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 6 - file: g184532103.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>7 <FILENAME>g184532104.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 7 - file: g184532104.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>8 <FILENAME>g184532105.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 8 - file: g184532105.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>9 <FILENAME>g184532106.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 9 - file: g184532106.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>10 <FILENAME>g184532107.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 10 - file: g184532107.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>11 <FILENAME>g184532108.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 11 - file: g184532108.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>12 <FILENAME>g184532109.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 12 - file: g184532109.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>13 <FILENAME>g184532110.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 13 - file: g184532110.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>14 <FILENAME>g184532111.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 14 - file: g184532111.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>15 <FILENAME>g184532112.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 15 - file: g184532112.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>16 <FILENAME>g184532113.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 16 - file: g184532113.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>17 <FILENAME>g184532114.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 17 - file: g184532114.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>18 <FILENAME>g184532200.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 18 - file: g184532200.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>19 <FILENAME>g184532300.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 19 - file: g184532300.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>20 <FILENAME>g184532400.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 20 - file: g184532400.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>21 <FILENAME>g184532500.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 21 - file: g184532500.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>22 <FILENAME>g184532600.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 22 - file: g184532600.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>23 <FILENAME>g184532700.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 23 - file: g184532700.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>24 <FILENAME>g184532800.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 24 - file: g184532800.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>25 <FILENAME>g184532900.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 25 - file: g184532900.jpg
</DOCUMENT> </SEC-DOCUMENT>