<SUBMISSION>
<ACCESSION-NUMBER>0001206774-09-000198
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20090206
<ITEMS>8.01
<ITEMS>9.01
<FILING-DATE>20090206
<DATE-OF-FILING-DATE-CHANGE>20090206
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>ENTERPRISE FINANCIAL SERVICES CORP
<CIK>0001025835
<ASSIGNED-SIC>6022
<IRS-NUMBER>431706259
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-15373
<FILM-NUMBER>09577969
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>150 NORTH MERAMEC
<STREET2>150 NORTH MERAMEC
<CITY>CLAYTON
<STATE>MO
<ZIP>63105
<PHONE>3147255500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>150 NORTH MERAMEC
<STREET2>150 NORTH MERAMEC
<CITY>CLAYTON
<STATE>MO
<ZIP>63105
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ENTERBANK HOLDINGS INC
<DATE-CHANGED>19961024
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>enterprise_8k.htm
<DESCRIPTION>CURRENT REPORT
<TEXT>

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<P align=center><B><FONT face=serif>UNITED STATES</FONT></B> <B><FONT face=serif size=5><BR></FONT></B><B><FONT face=serif>SECURITIES AND EXCHANGE
COMMISSION</FONT></B> <B><FONT face=serif size=5><BR></FONT></B><B><FONT face=serif>Washington, D.C. 20549</FONT></B><FONT face=serif></FONT></P>
<P align=center><B><FONT face=serif size=5>FORM 8-K</FONT></B><FONT face=serif></FONT></P>
<P align=center><B><FONT face=serif>CURRENT REPORT</FONT></B><FONT face=serif></FONT></P>
<P align=center><B><FONT face=serif>Pursuant to Section 13 or 15(d) of <BR>The
Securities Exchange Act of 1934</FONT></B><FONT face=serif></FONT></P>
<P align=center><FONT face=serif size=2>Date of Report (Date of earliest event
reported) <BR>February 6, 2009</FONT><FONT face=serif></FONT></P>
<P align=center><B><FONT face=serif size=6>ENTERPRISE FINANCIAL SERVICES
<BR>CORP<BR></FONT></B><B><FONT face=serif size=1>(Exact name of registrant as
specified in its charter)</FONT></B><FONT face=serif></FONT></P>
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  <TR vAlign=bottom>
    <TD noWrap align=center width="33%"><B><FONT face=serif size=2>Delaware</FONT></B>&nbsp;</TD>
    <TD noWrap align=center width="38%"><B><FONT face=serif size=2>001-15373</FONT></B>&nbsp;</TD>
    <TD noWrap align=center width="28%"><B><FONT face=serif size=2>43-1706259</FONT></B>&nbsp;</TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=center width="33%"><FONT face=serif size=1>(State or
      Other Jurisdiction</FONT>&nbsp;</TD>
    <TD noWrap align=center width="38%"><FONT face=serif size=1>(Commission</FONT>&nbsp;</TD>
    <TD noWrap align=center width="28%"><FONT face=serif size=1>(IRS
      Employer</FONT>&nbsp;</TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=center width="33%"><FONT face=serif size=1>of
      Incorporation)</FONT>&nbsp;</TD>
    <TD noWrap align=center width="38%"><FONT face=serif size=1>File
      Number)</FONT>&nbsp;</TD>
    <TD noWrap align=center width="28%"><FONT face=serif size=1>Identification
      No.)</FONT>&nbsp;</TD></TR></TABLE><BR>
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  <TR vAlign=bottom>
    <TD noWrap align=center width="51%"><B><FONT face=serif size=2>150 N.
      Meramec, St. Louis, Missouri</FONT></B>&nbsp;</TD>
    <TD noWrap align=center width="48%"><B><FONT face=serif size=2>63105</FONT></B>&nbsp;</TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=center width="51%"><FONT face=serif size=1>(Address of
      principal executive offices)</FONT>&nbsp;</TD>
    <TD noWrap align=center width="48%"><FONT face=serif size=1>(Zip
      Code)</FONT>&nbsp;</TD></TR></TABLE><BR>
<P align=center><FONT face=serif>Registrant&#146;s telephone number, including area
code<BR></FONT><B><FONT face=serif size=2>(314) 725-5500</FONT></B></P>
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  <TR vAlign=bottom>
    <TD style="BORDER-BOTTOM: #000000 1pt solid" align=center width="100%"><FONT face=serif>Not applicable</FONT></TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=center width="100%"><B><FONT face=serif size=1>(Former
      name or former address, if changed since last
  report)</FONT></B>&nbsp;</TD></TR></TABLE><BR>
<P align=left><FONT face=serif size=2>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:</FONT><FONT face=serif></FONT></P>
<P align=left><FONT face=sans-serif size=2><FONT face=wingdings size=2>o</FONT>&nbsp;</FONT><FONT face=serif size=2>Written communications
pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</FONT><FONT face=serif></FONT></P>
<P align=left><FONT face=sans-serif size=2><FONT face=Wingdings>o</FONT>&nbsp;</FONT><FONT face=serif size=2>Soliciting material
pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</FONT><FONT face=serif></FONT></P>
<P align=left><FONT face=sans-serif size=2><FONT face=Wingdings>o</FONT>&nbsp;</FONT><FONT face=serif size=2>Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</FONT><FONT face=serif></FONT></P>
<P align=left><FONT face=sans-serif size=2><FONT face=Wingdings>o</FONT>&nbsp;</FONT><FONT face=serif size=2>Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))</FONT><FONT face=serif></FONT></P>
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<P align=left><B><FONT face=serif size=2>Item 8.01 Other Events. </FONT></B></P>
<P align=left><FONT face=serif size=2>On February 6, 2009, the Registrant issued
a press release concerning transactions in the registrant&#146;s stock by Kevin
Eichner, a member of the Registrant&#146;s Board of Directors. </FONT></P>
<P align=left><B><FONT face=serif size=2>Item 9.01 Financial Statements and
Exhibits. </FONT></B></P>
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    <TD noWrap align=left width="1%"><FONT face=serif size=2>(a)</FONT>&nbsp;
    </TD>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="98%" colSpan=3><FONT face=serif size=2>Not
      applicable.</FONT>&nbsp; </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%"><FONT face=serif size=2>(b)</FONT>&nbsp;
    </TD>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="98%" colSpan=3><FONT face=serif size=2>Not
      applicable.</FONT>&nbsp; </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%"><FONT face=serif size=2>(c)</FONT>&nbsp;
    </TD>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="98%" colSpan=3><FONT face=serif size=2>Not
      applicable.</FONT>&nbsp; </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%"><FONT face=serif size=2>(d)</FONT>&nbsp;
    </TD>
    <TD noWrap align=left width="1%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </TD>
    <TD noWrap align=left width="3%"><FONT face=serif size=2>Exhibits.</FONT>&nbsp; </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="93%">&nbsp; </TD></TR>
  <TR>
    <TD width="100%" colSpan=5>&nbsp; </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%">&nbsp; </TD>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="3%"><FONT face=serif size=2>Exhibit</FONT>&nbsp; </TD>
    <TD noWrap align=left width="2%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </TD>
    <TD noWrap align=left width="93%">&nbsp; </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%">&nbsp; </TD>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="3%"><U><FONT face=serif size=2>Number</FONT></U>&nbsp; </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="93%"><U><FONT face=serif size=2>Description</FONT></U>&nbsp; </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%">&nbsp; </TD>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="3%" bgColor=#c0c0c0><FONT face=serif size=2>99.1</FONT>&nbsp; </TD>
    <TD noWrap align=left width="2%" bgColor=#c0c0c0></TD>
    <TD noWrap align=left width="93%" bgColor=#c0c0c0><FONT face=serif size=2>Press Release dated February 6, 2009</FONT>&nbsp;
</TD></TR></TABLE><BR>
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<P align=center><B><FONT face=serif size=2>SIGNATURES </FONT></B></P>
<P align=left><FONT face=serif size=2>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 thereunto duly authorized.
</FONT></P>
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  <TR vAlign=bottom>
    <TD noWrap align=left width="1%">&nbsp; </TD>
    <TD noWrap align=left width="45%">&nbsp; </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="52%" colSpan=2><FONT face=serif size=2>ENTERPRISE FINANCIAL SERVICES CORP.</FONT>&nbsp; </TD></TR>
  <TR>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="45%"></TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="50%">&nbsp;</TD></TR>
  <TR>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="45%"></TD>
    <TD noWrap align=left width="2%"><FONT size=2>By:</FONT> </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="50%">&nbsp;</TD></TR>
  <TR>
    <TD noWrap align=left width="1%"></TD>
    <TD noWrap align=left width="45%"></TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="50%">&nbsp;</TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%"><FONT face=serif size=2>Date:</FONT>&nbsp; </TD>
    <TD noWrap align=left width="45%"><FONT face=serif size=2>February 6,
      2009</FONT>&nbsp; </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="2%">&nbsp; </TD>
    <TD style="BORDER-BOTTOM: #000000 1pt solid" noWrap align=left width="50%"><FONT face=serif size=2>/s/ Deborah N. Barstow</FONT>&nbsp;
  </TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%">&nbsp; </TD>
    <TD noWrap align=left width="45%">&nbsp; </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="50%"><FONT face=serif size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Deborah N. Barstow</FONT>&nbsp;
</TD></TR>
  <TR vAlign=bottom>
    <TD noWrap align=left width="1%">&nbsp; </TD>
    <TD noWrap align=left width="45%">&nbsp; </TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="2%"></TD>
    <TD noWrap align=left width="50%"><FONT face=serif size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Senior Vice President and
      Controller</FONT>&nbsp; </TD></TR></TABLE><BR>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit99-1.htm
<DESCRIPTION>PRESS RELEASE DATED FEBRUARY 6, 2009
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<P align=right><B><FONT face=serif size=2>Exhibit 99.1 </FONT></B></P>
<P align=right><FONT face=serif size=2>For more information contact:
<BR></FONT><FONT face=serif size=2>Peter Benoist, President and CEO (314)
725-5500 <BR></FONT><FONT face=serif size=2>Frank Sanfilippo, Chief Financial
Officer (314) 725-5500<BR></FONT><FONT face=serif size=2>Jerry Mueller, Senior
Vice President (314) 512-7251 </FONT></P>

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    <TD style="BORDER-TOP: #000000 1pt solid; BORDER-BOTTOM: #000000 1pt solid" align=center width="100%">
      <P align=center><B><FONT face=serif size=2><BR>&nbsp;<BR>ENTERPRISE
      FINANCIAL COMMENTS ON STOCK TRANSACTION
  <BR>&nbsp;</FONT></B></P></TD></TR></TABLE>
<P align=left><FONT face=serif size=2>St. Louis, February 6, 2009. Enterprise
Financial Services Corp (NASDAQ: EFSC) today issued a statement concerning the
sale of shares of its common stock by Kevin C. Eichner, a member of its Board of
Directors and past President and Chief Executive Officer of the Company.
</FONT></P>
<P align=left><FONT face=serif size=2>Meramec Enterprise Holdings, LLC (MEH), a
Missouri limited liability company controlled by Mr. Eichner, which held as its
sole property 349,605 shares of the Company&#146;s common stock, was dissolved today
and the shares held by MEH distributed to its members. As part of the
dissolution of MEH, 208,030 shares of the Company&#146;s common stock were
distributed to Mr. Eichner. </FONT></P>
<P align=left><FONT face=serif size=2>In order to reduce his pro-rata share of
indebtedness related to MEH and indebtedness incurred to exercise stock options
upon his retirement last year, Mr. Eichner simultaneously sold 165,385 shares of
the Company&#146;s stock in a private transaction for a purchase price of $13.00 per
share. None of the indebtedness related to MEH or Mr. Eichner&#146;s purchase of
shares of the Company&#146;s stock was loaned by or due to the Company.</FONT></P>
<P align=left><FONT face=serif size=2>Enterprise Financial operates commercial
banking and wealth management businesses in metropolitan St. Louis and Kansas
City and a loan production office in Phoenix. </FONT><FONT face=serif size=2>Enterprise is primarily focused on serving the needs of privately held
businesses, their owner families, executives and professionals.</FONT></P>
<P align=center><FONT face=serif size=2>#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
#&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; # </FONT></P>
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