<SEC-DOCUMENT>0001104659-25-057283-index.html : 20250606
<SEC-HEADER>0001104659-25-057283.hdr.sgml : 20250606
<ACCEPTANCE-DATETIME>20250606155604
ACCESSION NUMBER:		0001104659-25-057283
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		8
CONFORMED PERIOD OF REPORT:	20250606
FILED AS OF DATE:		20250606
DATE AS OF CHANGE:		20250606

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMMUNITY FINANCIAL SYSTEM, INC.
		CENTRAL INDEX KEY:			0000723188
		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
		ORGANIZATION NAME:           	02 Finance
		EIN:				161213679
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13695
		FILM NUMBER:		251030390

	BUSINESS ADDRESS:	
		STREET 1:		5790 WIDEWATERS PKWY
		CITY:			DEWITT
		STATE:			NY
		ZIP:			13214
		BUSINESS PHONE:		8007242262

	MAIL ADDRESS:	
		STREET 1:		5790 WIDEWATERS PARKWAY
		CITY:			DEWITT
		STATE:			NY
		ZIP:			13214

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMUNITY BANK SYSTEM, INC.
		DATE OF NAME CHANGE:	20130806

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMUNITY BANK NA, a subsidiary of Community Bank System Inc
		DATE OF NAME CHANGE:	20130729

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMUNITY BANK NA, a subsidiary of Community Bank System Inc.
		DATE OF NAME CHANGE:	20130726
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>tm2517399d1_11k.htm
<DESCRIPTION>FORM 11-K
<TEXT>
Document 1 - file: tm2517399d1_11k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>tm2517399d1_ex23.htm
<DESCRIPTION>EXHIBIT 23
<TEXT>
Document 2 - file: tm2517399d1_ex23.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>image_003.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: image_003.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>image_004.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: image_004.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>image_005.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: image_005.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>image_006.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: image_006.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>image_007.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: image_007.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>image_008.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: image_008.jpg

</DOCUMENT>
</SEC-DOCUMENT>