<SEC-DOCUMENT>0001415889-20-003002-index.html : 20201221
<SEC-HEADER>0001415889-20-003002.hdr.sgml : 20201221
<ACCEPTANCE-DATETIME>20201221164335
ACCESSION NUMBER:		0001415889-20-003002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20201217
FILED AS OF DATE:		20201221
DATE AS OF CHANGE:		20201221

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wiersma Lonna
		CENTRAL INDEX KEY:			0001742119

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26719
		FILM NUMBER:		201404795

	MAIL ADDRESS:	
		STREET 1:		C/O MERCANTILE BANK CORPORATION
		STREET 2:		310 LEONARD ST.
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49504

ISSUER:		

	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

	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>4
<SEQUENCE>1
<FILENAME>form4-12212020_011224.xml
<TEXT>
Document 1 - file: form4-12212020_011224.html

Document 1 - RAW XML: form4-12212020_011224.xml

</DOCUMENT>
</SEC-DOCUMENT>