UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 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 12, 2008


Main Street Capital Corporation
(Exact name of registrant as specified in its charter)


Maryland
 
333-142879
 
41-2230745
(State or other jurisdiction
of incorporation)
  (Commission File Number)   (IRS Employer Identification No.)


 
1300 Post Oak Boulevard, Suite 800, Houston, Texas
 
77056
 
  (Address of principal executive offices)   (Zip Code)  

Registrant's telephone number, including area code:   713-350-6000



________________________________________________________________________________
(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:
  [   ] Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
  [   ] Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
  [   ] Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
  [   ] Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition.

On May 12, 2008, the Registrant issued a press release. A copy of such press release is attached hereto as Exhibit 99.1 and is incorporated herein by reference.

The information disclosed under this Item 2.02, including Exhibit 99.1 hereto, is being furnished and shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934 and shall not be deemed incorporated by reference into any filing made under the Securities Act of 1933, except as expressly set forth by specific reference in such filing.

Item 9.01. Financial Statements and Exhibits.

    Exhibit 99.1.       Press release dated May 12, 2008


SIGNATURE

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

    Main Street Capital Corporation
(Registrant)

May 12, 2008
(Date)
  /s/   RODGER A. STOUT
Rodger A. Stout
Senior Vice President - Finance and Administration, Secretary and Chief Compliance Officer


  Exhibit Index
  99.1 Press release dated May 12, 2008