<SEC-DOCUMENT>0001628280-25-013425.txt : 20250318
<SEC-HEADER>0001628280-25-013425.hdr.sgml : 20250318
<ACCEPTANCE-DATETIME>20250318152316
ACCESSION NUMBER:		0001628280-25-013425
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250314
FILED AS OF DATE:		20250318
DATE AS OF CHANGE:		20250318

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Vadaketh Tom George
		CENTRAL INDEX KEY:			0001694891
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03970
		FILM NUMBER:		25747839

	MAIL ADDRESS:	
		STREET 1:		1727 JOCKEYS WAY
		CITY:			YARDLEY
		STATE:			PA
		ZIP:			19067

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENVIRI Corp
		CENTRAL INDEX KEY:			0000045876
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-SERVICES, NEC [8900]
		ORGANIZATION NAME:           	07 Trade & Services
		IRS NUMBER:				231483991
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		TWO LOGAN SQUARE
		STREET 2:		100-120 NORTH 18TH STREET, 17TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103
		BUSINESS PHONE:		267-857-8715

	MAIL ADDRESS:	
		STREET 1:		TWO LOGAN SQUARE
		STREET 2:		100-120 NORTH 18TH STREET, 17TH FLOOR
		CITY:			PHILADELPHIA
		STATE:			PA
		ZIP:			19103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HARSCO CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1742325790.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-03-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000045876</issuerCik>
        <issuerName>ENVIRI Corp</issuerName>
        <issuerTradingSymbol>NVRI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001694891</rptOwnerCik>
            <rptOwnerName>Vadaketh Tom George</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>TWO LOGAN SQUARE</rptOwnerStreet1>
            <rptOwnerStreet2>100-120 N. 18TH STREET, 17TH FLOOR</rptOwnerStreet2>
            <rptOwnerCity>PHILADELPHIA</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>SVP and CFO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-03-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>40297</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>6.204</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>132431</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The price reported in Column 4 is a weighted average price. The shares were purchased in multiple transactions at prices ranging from $6.18 to $6.27, inclusive. The reporting person undertakes to provide to Enviri Corporation, any security holder of Enviri Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in footnote (1) to this Form 4.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Tom G. Vadaketh</signatureName>
        <signatureDate>2025-03-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
