<SEC-DOCUMENT>0001562180-25-004140.txt : 20250523
<SEC-HEADER>0001562180-25-004140.hdr.sgml : 20250523
<ACCEPTANCE-DATETIME>20250523171843
ACCESSION NUMBER:		0001562180-25-004140
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250523
FILED AS OF DATE:		20250523
DATE AS OF CHANGE:		20250523

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Elwart Ryan Michael
		CENTRAL INDEX KEY:			0002013323
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13948
		FILM NUMBER:		25983444

	MAIL ADDRESS:	
		STREET 1:		C/O MATIV HOLDINGS, INC.
		STREET 2:		100 KIMBALL PLACE, SUITE 600
		CITY:			ALPHARETTA
		STATE:			GA
		ZIP:			30009

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Mativ Holdings, Inc.
		CENTRAL INDEX KEY:			0001000623
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				621612879
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		100 KIMBALL PLACE
		STREET 2:		SUITE 600
		CITY:			ALPHARETTA
		STATE:			GA
		ZIP:			30009
		BUSINESS PHONE:		8005140186

	MAIL ADDRESS:	
		STREET 1:		100 KIMBALL PLACE
		STREET 2:		SUITE 600
		CITY:			ALPHARETTA
		STATE:			GA
		ZIP:			30009

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCHWEITZER MAUDUIT INTERNATIONAL INC
		DATE OF NAME CHANGE:	19950914
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-05-23</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001000623</issuerCik>
        <issuerName>Mativ Holdings, Inc.</issuerName>
        <issuerTradingSymbol>MATV</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002013323</rptOwnerCik>
            <rptOwnerName>Elwart Ryan Michael</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>100 KIMBALL PLACE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 600</rptOwnerStreet2>
            <rptOwnerCity>ALPHARETTA</rptOwnerCity>
            <rptOwnerState>GA</rptOwnerState>
            <rptOwnerZipCode>30009</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Group President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>false</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-05-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>94828.00</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.00</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>143037.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Represents a grant of restricted stock units (&quot;RSUs&quot;). Each RSU represents a right to receive one share of the Issuer's common stock upon vesting. Each RSU will vest on the second anniversary of the grant date subject to Reporting Person's employment or service with the Issuer as contemplated in the RSU Agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Brian Park, attorney-in-fact for Ryan Elwart, principal</signatureName>
        <signatureDate>2025-05-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poaelwart.txt
<DESCRIPTION>POA DATED 4/15/2025
<TEXT>
POWER OF ATTORNEY

The undersigned hereby makes, constitutes and appoints each of Greg Weitzel,
Mark W. Johnson, Brian Park, or any of them acting individually, and with
full power of substitution, the undersigned's true and lawful agents and
attorneys-in-fact (each hereinafter referred to as an "Attorney") to act
either together or alone in the name and on behalf of the undersigned for
and with respect to the matters hereinafter described.

Each Attorney shall have the power and authority to prepare, execute, deliver
and file Statements of Changes of Beneficial Ownership of Securities on Form 3,
Form 4 or Form 5 (or such other forms as may be designated from time-to-time by
the Securities and Exchange Commission (the "Commission") for such purpose) or
any amendments thereto required to be filed with the Commission under the
Securities Exchange Act of 1934 on behalf of the undersigned as a result of the
undersigned's transactions in or changes in beneficial ownership of, equity
securities (including derivative securities) of Mativ Holdings, Inc.

Each Attorney is hereby authorized to execute and deliver all documents,
acknowledgments, consents and other agreements and to take such further action
as may be necessary or convenient in order to more effectively carry out the
intent and purposes of the foregoing.

The Power of Attorney conferred hereby is not delegable by any Attorney. Each
Attorney shall serve without compensation for acting in the capacity of agent
and attorney-in-fact hereunder.

The undersigned hereby ratifies, confirms and adopts as the undersigned's own
act and deed all action lawfully taken by the Attorneys, or any of them,
pursuant to the power and authority herein granted.

Unless sooner revoked by the undersigned, this Power of Attorney shall be
governed by the laws of the State of Georgia, and the power and authority
granted herein shall remain in full force and effect until such time as the
undersigned is no longer subject to Section 16 or and required to file
Forms 3, 4 and 5.

IN WITNESS WHEREOF, the undersigned has set his or her hand as of the 15th day
of April, 2025.

/s/ Ryan Elwart
Signature
Name: Ryan Elwart

State of Georgia
County of Fulton

Signed and sworn before me, Honor Winks, Notary Public, on April 15, 2025,
by Ryan Elwart, personally known to me.

/s/ Honor Winks
Signature of Notary
Name:  Honor Winks
Notary Public State of Georgia
My commission expires: February 6, 2028
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
