<SEC-DOCUMENT>0001127602-24-027574.txt : 20241118
<SEC-HEADER>0001127602-24-027574.hdr.sgml : 20241118
<ACCEPTANCE-DATETIME>20241118211559
ACCESSION NUMBER:		0001127602-24-027574
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20241114
FILED AS OF DATE:		20241118
DATE AS OF CHANGE:		20241118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Fahnemann Thomas
		CENTRAL INDEX KEY:			0001943784
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03560
		FILM NUMBER:		241473141

	MAIL ADDRESS:	
		STREET 1:		5664 YARDARM CT.
		CITY:			CAPE CORAL
		STATE:			FL
		ZIP:			33914

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Magnera Corp
		CENTRAL INDEX KEY:			0000041719
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		ORGANIZATION NAME:           	04 Manufacturing
		IRS NUMBER:				230628360
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		9335 HARRIS CORNERS PKWY
		STREET 2:		SUITE 300
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28269
		BUSINESS PHONE:		866-744-7380

	MAIL ADDRESS:	
		STREET 1:		9335 HARRIS CORNERS PKWY
		STREET 2:		SUITE 300
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28269

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Glatfelter Corp
		DATE OF NAME CHANGE:	20200930

	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
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    <periodOfReport>2024-11-14</periodOfReport>

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        <issuerCik>0000041719</issuerCik>
        <issuerName>Magnera Corp</issuerName>
        <issuerTradingSymbol>MAGN</issuerTradingSymbol>
    </issuer>

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            <rptOwnerName>Fahnemann Thomas</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>9335 HARRIS CORNERS PKWY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 300</rptOwnerStreet2>
            <rptOwnerCity>CHARLOTTE</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>28269</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
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                <transactionAcquiredDisposedCode>
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            <exerciseDate>
                <value>2024-08-24</value>
                <footnoteId id="F6"/>
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            <expirationDate>
                <value>2025-08-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, Par Value $.01</value>
                </underlyingSecurityTitle>
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            <transactionAmounts>
                <transactionShares>
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                    <footnoteId id="F5"/>
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                    <value>0</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <value>2024-02-24</value>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2026-02-24</value>
            </expirationDate>
            <underlyingSecurity>
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                </underlyingSecurityTitle>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
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            <conversionOrExercisePrice>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>27210</value>
                    <footnoteId id="F5"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <value>2024-12-31</value>
                <footnoteId id="F8"/>
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            <expirationDate>
                <value>2027-02-28</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock, Par Value $.01</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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                </underlyingSecurityShares>
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    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents shares acquired by the reporting person upon the vesting of outstanding restricted stock units upon his separation of service from the Issuer in connection with the closing of a series of transactions pursuant to which a wholly-owned subsidiary of the Issuer combined with Berry Global Group Inc.'s global nonwovens and hygiene films business in a Reverse Morris Trust transaction (collectively, the &quot;Transactions&quot;).</footnote>
        <footnote id="F2">Represents shares being withheld to satisfy tax obligations.</footnote>
        <footnote id="F3">Represents shares acquired by the reporting person upon the vesting of outstanding performance stock awards (&quot;PSAs&quot;) in connection with the Transactions noted above.  Outstanding PSAs held by executive officers of the Issuer that were outstanding immediately prior to the Transactions vested upon the closing of the Transactions, and, as a result, were deemed to be earned and vested at (i) actual performance for completed performance periods, and (ii) target performance through the date of the Transactions for incomplete performance periods.</footnote>
        <footnote id="F4">Not applicable to this transaction.  RSUs have no value until all restrictions lapse on the final vesting date.</footnote>
        <footnote id="F5">The number of securities underlying awards beneficially owned by the reporting person have been adjusted to reflect a 1-for-13 reverse stock split effective on November 4, 2024.</footnote>
        <footnote id="F6">Represents the CEO sign-on RSU grant that vested in two equal annual installments beginning on August 24, 2024.</footnote>
        <footnote id="F7">Represents the 2023 RSU LTIP grant, which vests one-third 2/24/2024, one-third 2/24/2025 and one-third 2/24/2026.</footnote>
        <footnote id="F8">Represents the 2024 RSU LTIP grant, which vests one-third 12/31/2024, one-third 2/28/2026 and one-third 2/28/2027.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Laura A. Jones, attorney-in-fact for Thomas Fahnemann</signatureName>
        <signatureDate>2024-11-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
