<SUBMISSION>
<ACCESSION-NUMBER>0000719220-09-000021
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20091116
<ITEMS>5.02
<FILING-DATE>20091120
<DATE-OF-FILING-DATE-CHANGE>20091120
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>S&T BANCORP INC
<CIK>0000719220
<ASSIGNED-SIC>6022
<IRS-NUMBER>251434426
<STATE-OF-INCORPORATION>PA
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-12508
<FILM-NUMBER>091199307
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>800 PHILADELPHIA STREET
<STREET2>PO BOX 190
<CITY>INDIANA
<STATE>PA
<ZIP>15701
<PHONE>7244651466
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>800 PHILADELPHIA STREET
<STREET2>PO BOX 190
<CITY>INDIANA
<STATE>PA
<ZIP>15701
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>st8k11192009.htm
<DESCRIPTION>FORM 8-K DATED NOVEMBER 16, 2009
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<B><P ALIGN="CENTER">United States</P></B>
<P ALIGN="CENTER"><CENTER><TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=630>
<TR><TD VALIGN="TOP" COLSPAN=4>
<B><P ALIGN="CENTER">SECURITIES AND EXCHANGE COMMISSION</B></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=4>
<B><P ALIGN="CENTER">Washington, D.C. 20549</P>
</B><P ALIGN="CENTER"></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=4>
<B><FONT SIZE=6><P ALIGN="CENTER">Form 8-K</P>
</B><P ALIGN="CENTER"></FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=4>
<B><FONT SIZE=6><P ALIGN="CENTER">Current Report</B></FONT></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=4 HEIGHT=66>
<P ALIGN="CENTER">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934<BR>
</P>
<P ALIGN="CENTER">Date of Report (Date of earliest event reported) November 16, 2009</TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=4 HEIGHT=106>
<B><FONT SIZE=6><P ALIGN="CENTER">S&amp;T Bancorp, Inc.</FONT><FONT SIZE=6><BR>
</B></FONT>____________________________________________________________</P>
<FONT SIZE=1><P ALIGN="CENTER">&nbsp;(Exact Name of Registrant as Specified in its Charter)</FONT></TD>
</TR>
<TR><TD WIDTH="32%" VALIGN="TOP">
<B><P ALIGN="CENTER">Pennsylvania<FONT SIZE=1><BR>
</B></FONT>_________________</P>
<FONT SIZE=1><P ALIGN="CENTER">(State or Other Jurisdiction of Incorporation)</FONT></TD>
<TD WIDTH="29%" VALIGN="TOP">
<B><P ALIGN="CENTER">0-12508<FONT SIZE=1><BR>
</B></FONT>_________________</P>
<FONT SIZE=1><P ALIGN="CENTER">(Commission File Number)</FONT></TD>
<TD WIDTH="38%" VALIGN="TOP" COLSPAN=2>
<B><P ALIGN="CENTER">25-1434426</B><FONT SIZE=1><BR>
</FONT>_________________</P>
<FONT SIZE=1><P ALIGN="CENTER">(IRS Employer Identification No.)</FONT></TD>
</TR>
<TR><TD WIDTH="68%" VALIGN="TOP" COLSPAN=3 HEIGHT=58>
<B><P ALIGN="CENTER">800 Philadelphia Street, Indiana, PA</B><BR>
__________________________________________<BR>
<FONT SIZE=1>(Address of Principal Executive Offices)</FONT></TD>
<TD WIDTH="32%" VALIGN="TOP" HEIGHT=58>
<B><P ALIGN="CENTER">15701<BR>
</B>___________________<BR>
<FONT SIZE=1>Zip Code</FONT></TD>
</TR>
<TR><TD WIDTH="68%" VALIGN="TOP" COLSPAN=3 HEIGHT=58>
<P>Registrant's telephone number, including area code</TD>
<TD WIDTH="32%" VALIGN="TOP" HEIGHT=58>
<B><P ALIGN="CENTER">(800) 325-2265</B><BR>
</TD>
</TR>
<TR><TD WIDTH="68%" VALIGN="TOP" COLSPAN=3 HEIGHT=58>
<P>Former name or address, if changed since last report</TD>
<TD WIDTH="32%" VALIGN="TOP" HEIGHT=58>
<B><P ALIGN="CENTER">Not Applicable</B></TD>
</TR>
</TABLE>
</CENTER></P>

<P>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:</P>
<P>&nbsp;</P>
<FONT SIZE=2><P ALIGN="JUSTIFY">&#61551;    Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</P>
<P ALIGN="JUSTIFY">&#61551;    Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</P>
<P ALIGN="JUSTIFY">&#61551;    Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</P>
<P ALIGN="JUSTIFY">&#61551;    Pre-commencement</FONT> <FONT SIZE=2>communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</P>
</FONT><B><P>&nbsp;</P>
<P>&nbsp;</P></B>
<P ALIGN="CENTER"><CENTER><TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=638>
<TR><TD VALIGN="TOP">
<B><P ALIGN="JUSTIFY">Item 5.02 - Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</B></TD>
</TR>
<TR><TD VALIGN="TOP">
<P>On November 16, 2009, S&amp;T Bancorp, Inc. announced the resignation of Gregor T. Young, IV, Executive Vice President, Wealth Management to pursue other employment opportunities.  The resignation will be effective February 28, 2010 in order to facilitate the transition of functional responsibilities.</TD>
</TR>
</TABLE>
</CENTER></P>

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<P ALIGN="CENTER"><CENTER><TABLE CELLSPACING=0 BORDER=0 CELLPADDING=7 WIDTH=636>
<TR><TD VALIGN="TOP" COLSPAN=2>
<B><P ALIGN="CENTER">SIGNATURES</B></TD>
</TR>
<TR><TD VALIGN="TOP" COLSPAN=2>
<P ALIGN="JUSTIFY"><BR>
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed by the undersigned thereunto duly authorized.</TD>
</TR>
<TR><TD WIDTH="50%" VALIGN="TOP" HEIGHT=58>
<P>&nbsp;</P>
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<P><BR>
<BR>
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</P>
<P>November 20, 2009</TD>
<TD WIDTH="50%" VALIGN="TOP" HEIGHT=58>
<P>&nbsp;</P>
<P>S&amp;T Bancorp, Inc.</P>
<P>&nbsp;</P>
<U><P>/s/ Robert E. Rout</P>
</U><P>Robert E. Rout<BR>
Senior Executive Vice President, <BR>
Chief Financial Officer, Chief Administrative Officer and Secretary</P>
<P>&nbsp;</P>
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<P>&nbsp;</TD>
</TR>
</TABLE>
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