<SEC-DOCUMENT>0000719220-24-000085-index.html : 20241017
<SEC-HEADER>0000719220-24-000085.hdr.sgml : 20241017
<ACCEPTANCE-DATETIME>20241017073022
ACCESSION NUMBER:		0000719220-24-000085
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		28
CONFORMED PERIOD OF REPORT:	20241017
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20241017
DATE AS OF CHANGE:		20241017

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			S&T BANCORP INC
		CENTRAL INDEX KEY:			0000719220
		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
		ORGANIZATION NAME:           	02 Finance
		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:		241375930

	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>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>stba-20241017.htm
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Document 1 - file: stba-20241017.htm

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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>stba-ex991earningspressrel.htm
<DESCRIPTION>EX-99.1
<TEXT>
Document 2 - file: stba-ex991earningspressrel.htm

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<TYPE>EX-99.2
<SEQUENCE>3
<FILENAME>stbancorpincthirdquarter.htm
<DESCRIPTION>EX-99.2
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Document 3 - file: stbancorpincthirdquarter.htm

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<TYPE>EX-101.SCH
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<FILENAME>stba-20241017.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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Document 4 - file: stba-20241017.xsd

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Document 5 - file: stba-20241017_lab.xml

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Document 6 - file: stba-20241017_pre.xml

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<FILENAME>earn_image1a15.jpg
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Document 7 - file: earn_image1a15.jpg

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Document 8 - file: stbancorpincthirdquarter001.jpg

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Document 9 - file: stbancorpincthirdquarter002.jpg

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Document 10 - file: stbancorpincthirdquarter003.jpg

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<FILENAME>stbancorpincthirdquarter004.jpg
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Document 11 - file: stbancorpincthirdquarter004.jpg

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<FILENAME>stbancorpincthirdquarter005.jpg
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Document 12 - file: stbancorpincthirdquarter005.jpg

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<FILENAME>stbancorpincthirdquarter006.jpg
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Document 13 - file: stbancorpincthirdquarter006.jpg

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<FILENAME>stbancorpincthirdquarter007.jpg
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Document 14 - file: stbancorpincthirdquarter007.jpg

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Document 15 - file: stbancorpincthirdquarter008.jpg

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Document 16 - file: stbancorpincthirdquarter009.jpg

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Document 17 - file: stbancorpincthirdquarter010.jpg

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<FILENAME>stbancorpincthirdquarter011.jpg
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Document 18 - file: stbancorpincthirdquarter011.jpg

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<FILENAME>stbancorpincthirdquarter012.jpg
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Document 19 - file: stbancorpincthirdquarter012.jpg

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Document 21 - file: R1.htm

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<TYPE>EXCEL
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<FILENAME>Financial_Report.xlsx
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Document 22 - file: Financial_Report.xlsx

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Document 23 - file: Show.js

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Document 24 - file: report.css

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<FILENAME>FilingSummary.xml
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Document 26 - file: FilingSummary.html

Document 26 - RAW XML: FilingSummary.xml

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Document 28 - file: MetaLinks.json

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Document 29 - file: 0000719220-24-000085-xbrl.zip

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Document 30 - file: stba-20241017_htm.html

Document 30 - RAW XML: stba-20241017_htm.xml

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