<SEC-DOCUMENT>0001437749-25-034994-index.html : 20251114
<SEC-HEADER>0001437749-25-034994.hdr.sgml : 20251114
<ACCEPTANCE-DATETIME>20251114082450
ACCESSION NUMBER:		0001437749-25-034994
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20251114
DATE AS OF CHANGE:		20251114

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MERCANTILE BANK CORP
		CENTRAL INDEX KEY:			0001042729
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		EIN:				383360865
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-290303
		FILM NUMBER:		251481427

	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>424B3
<SEQUENCE>1
<FILENAME>mbwm20251105c_424b3.htm
<DESCRIPTION>FORM 424B3
<TEXT>
Document 1 - file: mbwm20251105c_424b3.htm

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

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>piperlogo1.jpg
<TEXT>
Document 3 - file: piperlogo1.jpg

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

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

</DOCUMENT>
</SEC-DOCUMENT>