<SEC-DOCUMENT>0001214659-23-004689.txt : 20230403
<SEC-HEADER>0001214659-23-004689.hdr.sgml : 20230403
<ACCEPTANCE-DATETIME>20230403165342
ACCESSION NUMBER:		0001214659-23-004689
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230331
FILED AS OF DATE:		20230403
DATE AS OF CHANGE:		20230403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Worthington Scott A
		CENTRAL INDEX KEY:			0001799151

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22684
		FILM NUMBER:		23793554

	MAIL ADDRESS:	
		STREET 1:		2801 EAST BELTLINE NE
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49525

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UFP INDUSTRIES INC
		CENTRAL INDEX KEY:			0000912767
		STANDARD INDUSTRIAL CLASSIFICATION:	SAWMILLS, PLANNING MILLS, GENERAL [2421]
		IRS NUMBER:				381465835
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2801 EAST BELTLINE NE
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49525
		BUSINESS PHONE:		6163646161

	MAIL ADDRESS:	
		STREET 1:		2801 EAST BELTLINE NE
		CITY:			GRAND RAPIDS
		STATE:			MI
		ZIP:			49505

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UNIVERSAL FOREST PRODUCTS INC
		DATE OF NAME CHANGE:	19930929
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>marketforms-61147.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0407</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2023-03-31</periodOfReport>

    <issuer>
        <issuerCik>0000912767</issuerCik>
        <issuerName>UFP INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>UFPI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001799151</rptOwnerCik>
            <rptOwnerName>Worthington Scott A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>2801 E BELTLINE AVE NE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>GRAND RAPIDS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49525</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>President, UFP Industrial, LLC</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2023-03-31</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>79.47</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>18</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>15080</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">1</footnote>
        <footnote id="F2">The phantom stock units were accrued under the Company's Deferred Compensation Plan and are payable in shares of the Company's common stock until the reporting person's death, disability or retirement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Katherine L. Karel, Attorney In Fact for Scott A. Worthington</signatureName>
        <signatureDate>2023-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>