UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(D) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of Earliest Event Reported): May 27, 2008

MERCANTILE BANCORP, INC.

(Exact Name of Registrant as Specified in Charter)

Delaware	001-32434	37-1149138
(State or Other Jurisdiction	(Commission File Number)	(I.R.S. Employer
of Incorporation)		Identification No.)

200 North 33rd Street, Quincy, Illinois 62301
(Address of Principal Executive Offices) (Zip Code)

(217) 223-7300
Registrant’s Telephone Number, Including Area Code

Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

     Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01 Other Events

     Mercantile Bancorp, Inc. (the “Company”) announced in a press release dated May 27, 2008 that it has sold on the open market its 164,012-share position held in First Charter Corporation. The Company previously disclosed in its Form 10-Q for the quarter ended March 31, 2008 that Fifth Third Bancorp had agreed to acquire First Charter Corporation and the expected gain at the closing of the acquisition. The Company chose to sell its shares of First Charter on the open market before the Fifth Third transaction closed rather than take a combination of cash and Fifth Third stock.

     The press release is included herewith as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01 Exhibits

     (c) Exhibits:

Exhibit
Number	Description
99.1	Press Release issued by Mercantile Bancorp, Inc. dated May 27, 2008

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SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Mercantile Bancorp, Inc.

By:	/s/ Ted T. Awerkamp
Name:		Ted T. Awerkamp
Title:		President and Chief Executive Officer

Date: May 27, 2008

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