<SEC-DOCUMENT>0000719220-21-000038-index.html : 20210406
<SEC-HEADER>0000719220-21-000038.hdr.sgml : 20210406
<ACCEPTANCE-DATETIME>20210406161643
ACCESSION NUMBER:		0000719220-21-000038
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210517
FILED AS OF DATE:		20210406
DATE AS OF CHANGE:		20210406

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-12508
		FILM NUMBER:		21809358

	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>DEF 14A
<SEQUENCE>1
<FILENAME>stba-2021proxy.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: stba-2021proxy.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>erniedraganzasignaturea081a.jpg
<TEXT>
Document 2 - file: erniedraganzasignaturea081a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>stbancorpa051a.jpg
<TEXT>
Document 3 - file: stbancorpa051a.jpg

</DOCUMENT>
</SEC-DOCUMENT>