<SEC-DOCUMENT>0001013594-25-001413.txt : 20251114
<SEC-HEADER>0001013594-25-001413.hdr.sgml : 20251114
<ACCEPTANCE-DATETIME>20251114101850
ACCESSION NUMBER:		0001013594-25-001413
CONFORMED SUBMISSION TYPE:	SCHEDULE 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20251114
DATE AS OF CHANGE:		20251114

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Magnera Corp
		CENTRAL INDEX KEY:			0000041719
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				230628360
		STATE OF INCORPORATION:			PA
		FISCAL YEAR END:			0927

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-14245
		FILM NUMBER:		251482241

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Madison Avenue Partners, LP
		CENTRAL INDEX KEY:			0001801265
		ORGANIZATION NAME:           	
		EIN:				320567414
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SCHEDULE 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		150 EAST 58TH STREET
		STREET 2:		14TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10155
		BUSINESS PHONE:		212-702-8644

	MAIL ADDRESS:	
		STREET 1:		150 EAST 58TH STREET
		STREET 2:		14TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10155
</SEC-HEADER>
<DOCUMENT>
<TYPE>SCHEDULE 13G/A
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/schedule13g" xmlns:com="http://www.sec.gov/edgar/common">
<headerData>
<submissionType>SCHEDULE 13G/A</submissionType>
<filerInfo>
<filer>
<filerCredentials>
<cik>0001801265</cik>
<ccc>XXXXXXXX</ccc>
</filerCredentials>
</filer>
<liveTestFlag>LIVE</liveTestFlag>



</filerInfo>
</headerData>
<formData>
<coverPageHeader>
<amendmentNo>1</amendmentNo>
<securitiesClassTitle>Common Stock, $0.01 par value per share (the "Common Stock")</securitiesClassTitle>
<eventDateRequiresFilingThisStatement>09/30/2025</eventDateRequiresFilingThisStatement>
<issuerInfo>
<issuerCik>0000041719</issuerCik>
<issuerName>Magnera Corp</issuerName>
<issuerCusip>55939A107</issuerCusip>
<issuerPrincipalExecutiveOfficeAddress>
<com:street1>9335 HARRIS CORNERS PKWY</com:street1>
<com:street2>SUITE 300</com:street2>
<com:city>CHARLOTTE</com:city>
<com:stateOrCountry>NC</com:stateOrCountry>
<com:zipCode>28269</com:zipCode>
</issuerPrincipalExecutiveOfficeAddress>
</issuerInfo>
<designateRulesPursuantThisScheduleFiled>
<designateRulePursuantThisScheduleFiled>Rule 13d-1(c)</designateRulePursuantThisScheduleFiled>
</designateRulesPursuantThisScheduleFiled>
</coverPageHeader>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Madison Avenue Partners, LP</reportingPersonName>
<citizenshipOrOrganization>DE</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>0</soleVotingPower>
<sharedVotingPower>2832281</sharedVotingPower>
<soleDispositivePower>0</soleDispositivePower>
<sharedDispositivePower>2832281</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2832281</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8</classPercent>
<typeOfReportingPerson>PN</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Madison Avenue International LP</reportingPersonName>
<citizenshipOrOrganization>E9</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>0</soleVotingPower>
<sharedVotingPower>2832281</sharedVotingPower>
<soleDispositivePower>0</soleDispositivePower>
<sharedDispositivePower>2832281</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2832281</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8</classPercent>
<typeOfReportingPerson>PN</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>EMAI Management, LLC</reportingPersonName>
<citizenshipOrOrganization>DE</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>0</soleVotingPower>
<sharedVotingPower>2832281</sharedVotingPower>
<soleDispositivePower>0</soleDispositivePower>
<sharedDispositivePower>2832281</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2832281</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8</classPercent>
<typeOfReportingPerson>OO</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Madison Avenue GP, LLC</reportingPersonName>
<citizenshipOrOrganization>DE</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>0</soleVotingPower>
<sharedVotingPower>2832281</sharedVotingPower>
<soleDispositivePower>0</soleDispositivePower>
<sharedDispositivePower>2832281</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2832281</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8</classPercent>
<typeOfReportingPerson>OO</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Caraway Jackson Investments LLC</reportingPersonName>
<citizenshipOrOrganization>DE</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>0</soleVotingPower>
<sharedVotingPower>2832281</sharedVotingPower>
<soleDispositivePower>0</soleDispositivePower>
<sharedDispositivePower>2832281</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2832281</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8</classPercent>
<typeOfReportingPerson>OO</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<coverPageHeaderReportingPersonDetails>

<reportingPersonName>Eli Samaha</reportingPersonName>
<citizenshipOrOrganization>X1</citizenshipOrOrganization>
<reportingPersonBeneficiallyOwnedNumberOfShares>
<soleVotingPower>0</soleVotingPower>
<sharedVotingPower>2832281</sharedVotingPower>
<soleDispositivePower>0</soleDispositivePower>
<sharedDispositivePower>2832281</sharedDispositivePower>
</reportingPersonBeneficiallyOwnedNumberOfShares>
<reportingPersonBeneficiallyOwnedAggregateNumberOfShares>2832281</reportingPersonBeneficiallyOwnedAggregateNumberOfShares>
<aggregateAmountExcludesCertainSharesFlag>N</aggregateAmountExcludesCertainSharesFlag>
<classPercent>8</classPercent>
<typeOfReportingPerson>IN</typeOfReportingPerson>
</coverPageHeaderReportingPersonDetails>
<items>
<item1>
<issuerName>Magnera Corp</issuerName>
<issuerPrincipalExecutiveOfficeAddress>9335 HARRIS CORNERS PKWY, SUITE 300, CHARLOTTE, North Carolina, 28269</issuerPrincipalExecutiveOfficeAddress>
</item1>
<item2>
<filingPersonName>The names of the persons filing this statement on Schedule 13G (collectively, the "Reporting Persons") are: &#13;
&#13;
Madison Avenue International LP,&#13;
Madison Avenue Partners, LP,&#13;
EMAI Management, LLC,&#13;
Madison Avenue GP, LLC&#13;
Caraway Jackson Investments LLC, and&#13;
Eli Samaha.</filingPersonName>
<principalBusinessOfficeOrResidenceAddress>The principal business address for each of the Reporting Persons is 150 East 58th St, 14th Fl, New York, NY 10155.</principalBusinessOfficeOrResidenceAddress>
<citizenship>Madison Avenue International LP is a Cayman Islands exempted limited partnership. Madison Avenue Partners, LP is a Delaware limited partnership. Each of EMAI Management, LLC, Madison Avenue GP, LLC and Caraway Jackson Investments LLC is a Delaware limited liability company. Mr. Samaha is a citizen of the United States of America.</citizenship>
</item2>
<item3>
<notApplicableFlag>N</notApplicableFlag>
<typeOfPersonFiling>IA</typeOfPersonFiling>
</item3>
<item4>
<amountBeneficiallyOwned>As of November 14, 2025, Madison Avenue International LP beneficially owned 2,832,281 shares of Common Stock.&#13;
&#13;
Madison Avenue Partners, LP and Madison Avenue GP, LLC, as the investment manager and general partner of Madison Avenue International LP, respectively, may be deemed to be the beneficial owner of the shares of Common Stock owned directly by Madison Avenue International LP.&#13;
&#13;
EMAI Management, LLC, as the general partner of Madison Avenue Partners, LP, may be deemed to be the beneficial owner of the shares of Common Stock owned directly by Madison Avenue International LP.&#13;
&#13;
Caraway Jackson Investments LLC, as the owner of Madison Avenue GP, LLC, may be deemed to be the beneficial owner of the shares of Common Stock owned directly by Madison Avenue International LP.&#13;
&#13;
Mr. Samaha, as the non-member manager of Madison Avenue GP, LLC, the managing member of EMAI Management, LLC, and the majority owner of Caraway Jackson Investments LLC, may be deemed to be the beneficial owner of the shares of Common Stock owned by Madison Avenue International LP.</amountBeneficiallyOwned>
<classPercent>The following percentage is based on 35,600,000 shares of Common Stock outstanding as of August 6, 2025, as disclosed in the Issuer's Quarterly Report on Form 10-Q, filed with the Securities and Exchange Commission on August 6, 2025.&#13;
&#13;
As of November 14, 2025, the Reporting Persons may be deemed to have beneficially owned approximately 8.0% of the outstanding shares of Common Stock.</classPercent>
<numberOfSharesPersonHas>
<solePowerOrDirectToVote>See Cover Pages Items 5-9.</solePowerOrDirectToVote>
<sharedPowerOrDirectToVote>See Cover Pages Items 5-9.</sharedPowerOrDirectToVote>
<solePowerOrDirectToDispose>See Cover Pages Items 5-9.</solePowerOrDirectToDispose>
<sharedPowerOrDirectToDispose>See Cover Pages Items 5-9.</sharedPowerOrDirectToDispose>
</numberOfSharesPersonHas>
</item4>
<item5>
<notApplicableFlag>Y</notApplicableFlag>
</item5>
<item6>
<notApplicableFlag>Y</notApplicableFlag>
</item6>
<item7>
<notApplicableFlag>Y</notApplicableFlag>
</item7>
<item8>
<notApplicableFlag>N</notApplicableFlag>
<identificationAndClassificationOfGroupMembers>See Exhibit A of the Schedule 13G filed by the reporting persons with the Securities and Exchange Commission on November 14, 2024.</identificationAndClassificationOfGroupMembers>
</item8>
<item9>
<notApplicableFlag>Y</notApplicableFlag>
</item9>
<item10>
<notApplicableFlag>N</notApplicableFlag>
<certifications>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under ?? 240.14a-11.</certifications>
</item10>
</items>
<signatureInformation>
<reportingPersonName>Madison Avenue Partners, LP</reportingPersonName>
<signatureDetails>
<signature>/s/ Eli Samaha</signature>
<title>Eli Samaha, as Managing Member of EMAI Management, LLC, the General Partner of Madison Avenue Partners, LP</title>
<date>11/14/2025</date>
</signatureDetails>
</signatureInformation>
<signatureInformation>
<reportingPersonName>Madison Avenue International LP</reportingPersonName>
<signatureDetails>
<signature>/s/ Eli Samaha</signature>
<title>Eli Samaha, as Manager of Madison Avenue GP, LLC, the General Partner of Madison Avenue International LP</title>
<date>11/14/2025</date>
</signatureDetails>
</signatureInformation>
<signatureInformation>
<reportingPersonName>EMAI Management, LLC</reportingPersonName>
<signatureDetails>
<signature>/s/ Eli Samaha</signature>
<title>Eli Samaha, as Managing Member</title>
<date>11/14/2025</date>
</signatureDetails>
</signatureInformation>
<signatureInformation>
<reportingPersonName>Madison Avenue GP, LLC</reportingPersonName>
<signatureDetails>
<signature>/s/ Eli Samaha</signature>
<title>Eli Samaha, as Manager</title>
<date>11/14/2025</date>
</signatureDetails>
</signatureInformation>
<signatureInformation>
<reportingPersonName>Caraway Jackson Investments LLC</reportingPersonName>
<signatureDetails>
<signature>/s/ Eli Samaha</signature>
<title>Eli Samaha, as Member</title>
<date>11/14/2025</date>
</signatureDetails>
</signatureInformation>
<signatureInformation>
<reportingPersonName>Eli Samaha</reportingPersonName>
<signatureDetails>
<signature>/s/ Eli Samaha</signature>
<title>Eli Samaha</title>
<date>11/14/2025</date>
</signatureDetails>
</signatureInformation>
</formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
