<SEC-DOCUMENT>0001127602-22-022172.txt : 20220908
<SEC-HEADER>0001127602-22-022172.hdr.sgml : 20220908
<ACCEPTANCE-DATETIME>20220908085510
ACCESSION NUMBER:		0001127602-22-022172
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220907
FILED AS OF DATE:		20220908
DATE AS OF CHANGE:		20220908

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hackett Darrel H.
		CENTRAL INDEX KEY:			0001829199

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03560
		FILM NUMBER:		221232654

	MAIL ADDRESS:	
		STREET 1:		4350 CONGRESS STREET
		STREET 2:		SUITE 600
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28209

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Glatfelter Corp
		CENTRAL INDEX KEY:			0000041719
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		IRS NUMBER:				230628360
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4350 CONGRESS STREET
		STREET 2:		SUITE 600
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28209
		BUSINESS PHONE:		866-744-7380

	MAIL ADDRESS:	
		STREET 1:		4350 CONGRESS STREET
		STREET 2:		SUITE 600
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28209

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GLATFELTER P H CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-09-07</periodOfReport>

    <issuer>
        <issuerCik>0000041719</issuerCik>
        <issuerName>Glatfelter Corp</issuerName>
        <issuerTradingSymbol>GLT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829199</rptOwnerCik>
            <rptOwnerName>Hackett Darrel H.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>4350 CONGRESS STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28209</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, Par Value $.01</value>
            </securityTitle>
            <transactionDate>
                <value>2022-09-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>4.20</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>36702</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The price reported is the price of all the shares purchased on September 7, 2022.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Jill L. Urey, Attorney-in-fact</signatureName>
        <signatureDate>2022-09-08</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
