<SEC-DOCUMENT>0000719220-19-000009-index.html : 20190131
<SEC-HEADER>0000719220-19-000009.hdr.sgml : 20190131
<ACCEPTANCE-DATETIME>20190131100516
ACCESSION NUMBER:		0000719220-19-000009
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20190131
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190131
DATE AS OF CHANGE:		20190131

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12508
		FILM NUMBER:		19553969

	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>8-K
<SEQUENCE>1
<FILENAME>stba-20181231x8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: stba-20181231x8k.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>stba-20181231xex991.htm <DESCRIPTION>EXHIBIT 99.1 <TEXT> Document 2 - file: stba-20181231xex991.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.2 <SEQUENCE>3 <FILENAME>exh992highlights2018.htm <DESCRIPTION>EXHIBIT 99.2 <TEXT> Document 3 - file: exh992highlights2018.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.3 <SEQUENCE>4 <FILENAME>stba-20181231divxex993.htm <DESCRIPTION>EXHIBIT 99.3 <TEXT> Document 4 - file: stba-20181231divxex993.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>5 <FILENAME>a2ndqtr2016earnimagea01.jpg <TEXT> Document 5 - file: a2ndqtr2016earnimagea01.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>6 <FILENAME>exh992highlights2018001.jpg <TEXT> Document 6 - file: exh992highlights2018001.jpg
</DOCUMENT> </SEC-DOCUMENT>