<SEC-DOCUMENT>0001403967-25-000002.txt : 20251103
<SEC-HEADER>0001403967-25-000002.hdr.sgml : 20251103
<ACCEPTANCE-DATETIME>20251103152700
ACCESSION NUMBER:		0001403967-25-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20251103
FILED AS OF DATE:		20251103
DATE AS OF CHANGE:		20251103

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Tuuk Kuras Mary
		CENTRAL INDEX KEY:			0001403967
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22684
		FILM NUMBER:		251443754

	MAIL ADDRESS:	
		STREET 1:		625 KENMOOR AVE SE
		STREET 2:		SUITE 301
		CITY:			GRAND  RAPIDS
		STATE:			MI
		ZIP:			49456

	FORMER NAME:	
		FORMER CONFORMED NAME:	Tuuk Mary E
		DATE OF NAME CHANGE:	20070621

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UFP INDUSTRIES INC
		CENTRAL INDEX KEY:			0000912767
		STANDARD INDUSTRIAL CLASSIFICATION:	SAWMILLS, PLANNING MILLS, GENERAL [2421]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				381465835
		STATE OF INCORPORATION:			MI
		FISCAL YEAR END:			1227

	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>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-11-03</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001403967</rptOwnerCik>
            <rptOwnerName>Tuuk Kuras Mary</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>625 KENMOOR AVE SE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 301</rptOwnerStreet2>
            <rptOwnerCity>GRAND  RAPIDS</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>49456</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-11-03</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>1</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>366</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>92.13</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>21671</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Katherine L. Karel</signatureName>
        <signatureDate>2025-11-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
