<SEC-DOCUMENT>0001437749-22-012009-index.html : 20220512
<SEC-HEADER>0001437749-22-012009.hdr.sgml : 20220512
<ACCEPTANCE-DATETIME>20220512085727
ACCESSION NUMBER:		0001437749-22-012009
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20220512
DATE AS OF CHANGE:		20220512

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCANTILE BANK CORP
		CENTRAL INDEX KEY:			0001042729
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				383360865
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26719
		FILM NUMBER:		22915919

	BUSINESS ADDRESS:	
		STREET 1:		310 LEONARD STREET NW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504
		BUSINESS PHONE:		616 406-3000

	MAIL ADDRESS:	
		STREET 1:		310 LEONARD STREET NW
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>mbwm20220511_defa14a.htm
<DESCRIPTION>FORM DEFA14A
<TEXT>
Document 1 - file: mbwm20220511_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>mbwm20220511_defa14aimg001.jpg
<TEXT>
Document 2 - file: mbwm20220511_defa14aimg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>mbwm20220511_defa14aimg002.jpg
<TEXT>
Document 3 - file: mbwm20220511_defa14aimg002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>mbwm20220511_defa14aimg003.jpg
<TEXT>
Document 4 - file: mbwm20220511_defa14aimg003.jpg

</DOCUMENT>
</SEC-DOCUMENT>