<SEC-DOCUMENT>0000950123-17-008034.txt : 20170814
<SEC-HEADER>0000950123-17-008034.hdr.sgml : 20170814
<ACCEPTANCE-DATETIME>20170814171641
ACCESSION NUMBER:		0000950123-17-008034
CONFORMED SUBMISSION TYPE:	13F-NT
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170630
FILED AS OF DATE:		20170814
DATE AS OF CHANGE:		20170814
EFFECTIVENESS DATE:		20170814

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			S&T BANCORP INC
		CENTRAL INDEX KEY:			0000719220
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		IRS NUMBER:				251434426
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		13F-NT
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	028-04093
		FILM NUMBER:		171031576

	BUSINESS ADDRESS:	
		STREET 1:		800 PHILADELPHIA STREET
		STREET 2:		PO BOX 190
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
		BUSINESS PHONE:		724-427-2347

	MAIL ADDRESS:	
		STREET 1:		800 PHILADELPHIA STREET
		STREET 2:		PO BOX 190
		CITY:			INDIANA
		STATE:			PA
		ZIP:			15701
</SEC-HEADER>
<DOCUMENT>
<TYPE>13F-NT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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    <filerInfo>
      <liveTestFlag>LIVE</liveTestFlag>
      <flags>
        <confirmingCopyFlag>false</confirmingCopyFlag>
        <returnCopyFlag>true</returnCopyFlag>
        <overrideInternetFlag>false</overrideInternetFlag>
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      <filer>
        <credentials>
          <cik>0000719220</cik>
          <ccc>XXXXXXXX</ccc>
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      <periodOfReport>06-30-2017</periodOfReport>
    </filerInfo>
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  <formData>
    <coverPage>
      <reportCalendarOrQuarter>06-30-2017</reportCalendarOrQuarter>
      <filingManager>
        <name>S&amp;T BANCORP INC</name>
        <address>
          <ns1:street1>800 Philadelphia Street</ns1:street1>
          <ns1:street2>PO BOX 190</ns1:street2>
          <ns1:city>Indiana</ns1:city>
          <ns1:stateOrCountry>PA</ns1:stateOrCountry>
          <ns1:zipCode>15701</ns1:zipCode>
        </address>
      </filingManager>
      <reportType>13F NOTICE</reportType>
      <form13FFileNumber>028-04093</form13FFileNumber>
      <otherManagersInfo>
        <otherManager>
          <form13FFileNumber>028-06460</form13FFileNumber>
          <name>S &amp; T Bank</name>
        </otherManager>
      </otherManagersInfo>
      <provideInfoForInstruction5>N</provideInfoForInstruction5>
    </coverPage>
    <signatureBlock>
      <name>Mark Kochvar</name>
      <title>Senior Executive Vice President &amp; CFO</title>
      <phone>724-465-4826</phone>
      <signature>/s/ Mark Kochvar</signature>
      <city>Indiana</city>
      <stateOrCountry>PA</stateOrCountry>
      <signatureDate>08-14-2017</signatureDate>
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