<SEC-DOCUMENT>0000708781-26-000015-index.html : 20260306
<SEC-HEADER>0000708781-26-000015.hdr.sgml : 20260306
<ACCEPTANCE-DATETIME>20260306161024
ACCESSION NUMBER:		0000708781-26-000015
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20260306
DATE AS OF CHANGE:		20260306

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CASS INFORMATION SYSTEMS INC
		CENTRAL INDEX KEY:			0000708781
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
		ORGANIZATION NAME:           	07 Trade & Services
		EIN:				431265338
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-20827
		FILM NUMBER:		26731047

	BUSINESS ADDRESS:	
		STREET 1:		12444 POWERSCOURT DRIVE
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63131
		BUSINESS PHONE:		314-506-5500

	MAIL ADDRESS:	
		STREET 1:		12444 POWERSCOURT DRIVE
		CITY:			ST. LOUIS
		STATE:			MO
		ZIP:			63131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CASS COMMERCIAL CORP
		DATE OF NAME CHANGE:	19950518
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>defa14aadditional2026.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: defa14aadditional2026.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>a2026finalnotice001a.jpg
<TEXT>
Document 2 - file: a2026finalnotice001a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>a2026finalnotice002a.jpg
<TEXT>
Document 3 - file: a2026finalnotice002a.jpg

</DOCUMENT>
</SEC-DOCUMENT>