<SEC-DOCUMENT>0001489096-25-000087.txt : 20250603
<SEC-HEADER>0001489096-25-000087.hdr.sgml : 20250603
<ACCEPTANCE-DATETIME>20250603152059
ACCESSION NUMBER:		0001489096-25-000087
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250601
FILED AS OF DATE:		20250603
DATE AS OF CHANGE:		20250603

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Lucas Thomas Gregory
		CENTRAL INDEX KEY:			0002019369
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35159
		FILM NUMBER:		251018986

	MAIL ADDRESS:	
		STREET 1:		7171 SOUTHWEST PARKWAY
		STREET 2:		BLD. 300, STE. 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78735

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Thermon Group Holdings, Inc.
		CENTRAL INDEX KEY:			0001489096
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL INDUSTRIAL APPARATUS [3620]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				272228185
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		7171 SOUTHWEST PARKWAY
		STREET 2:		BUILDING 300, SUITE 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78735
		BUSINESS PHONE:		5126900600

	MAIL ADDRESS:	
		STREET 1:		7171 SOUTHWEST PARKWAY
		STREET 2:		BUILDING 300, SUITE 200
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78735
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1748978453.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-06-01</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001489096</issuerCik>
        <issuerName>Thermon Group Holdings, Inc.</issuerName>
        <issuerTradingSymbol>THR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0002019369</rptOwnerCik>
            <rptOwnerName>Lucas Thomas Gregory</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7171 SOUTHWEST PKWY</rptOwnerStreet1>
            <rptOwnerStreet2>BLD. 300, STE. 200</rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78735</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP, Corporate Controller</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>1349</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8738</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-06-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>787</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>25.94</value>
                    <footnoteId id="F3"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7951</value>
                    <footnoteId id="F4"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On June 1, 2025, the reporting person was granted an award of restricted stock units. Each restricted stock unit represents the right to receive, at settlement, one share of the Issuer's common stock. The award vests in full on the third anniversary of the grant date. Restricted stock units convert into shares of the Issuer's common stock on a one-for-one basis.</footnote>
        <footnote id="F2">These shares were surrendered for tax payment upon vesting of restricted stock units on June 1, 2025.</footnote>
        <footnote id="F3">Sales price is the fair market value on Friday, May 30, 2025.</footnote>
        <footnote id="F4">Includes 4.528 restricted stock units held by the reporting person.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ryan Tarkington, Attorney-in-Fact</signatureName>
        <signatureDate>2025-06-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
