<SEC-DOCUMENT>0001140361-18-007397-index.html : 20180214 <SEC-HEADER>0001140361-18-007397.hdr.sgml : 20180214 <ACCEPTANCE-DATETIME>20180213194431 ACCESSION NUMBER: 0001140361-18-007397 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20180214 DATE AS OF CHANGE: 20180213 GROUP MEMBERS: BANC FUND IX L.P. GROUP MEMBERS: BANC FUND VIII L.P. SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-80417 FILM NUMBER: 18606286 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: BANC FUNDS CO LLC CENTRAL INDEX KEY: 0001029311 IRS NUMBER: 364134318 STATE OF INCORPORATION: IL FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 20 NORTH WACKER DRIVE STREET 2: SUITE 3300 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 3128554067 MAIL ADDRESS: STREET 1: 20 NORTH WACKER DRIVE STREET 2: SUITE 3300 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: BANC FUND IV L P DATE OF NAME CHANGE: 19961218 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>doc1.htm <DESCRIPTION>NONE <TEXT> Document 1 - file: doc1.htm
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