<SEC-DOCUMENT>0000796505-25-000019.txt : 20250922
<SEC-HEADER>0000796505-25-000019.hdr.sgml : 20250922
<ACCEPTANCE-DATETIME>20250922115137
ACCESSION NUMBER:		0000796505-25-000019
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250918
FILED AS OF DATE:		20250922
DATE AS OF CHANGE:		20250922

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hill John P
		CENTRAL INDEX KEY:			0001449386
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-16106
		FILM NUMBER:		251329198

	MAIL ADDRESS:	
		STREET 1:		7050 WINNETKA AVE. N.
		STREET 2:		SUITE 100
		CITY:			BROOKLYN PARK
		STATE:			MN
		ZIP:			55428

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Clearfield, Inc.
		CENTRAL INDEX KEY:			0000796505
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				411347235
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		7050 WINNETKA AVE. N.
		STREET 2:		SUITE 100
		CITY:			BROOKLYN PARK
		STATE:			MN
		ZIP:			55428
		BUSINESS PHONE:		763-476-6866

	MAIL ADDRESS:	
		STREET 1:		7050 WINNETKA AVE. N.
		STREET 2:		SUITE 100
		CITY:			BROOKLYN PARK
		STATE:			MN
		ZIP:			55428

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APA Enterprises, Inc.
		DATE OF NAME CHANGE:	20041116

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	APA OPTICS INC /MN/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2025-09-18</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000796505</issuerCik>
        <issuerName>Clearfield, Inc.</issuerName>
        <issuerTradingSymbol>CLFD</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
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            <rptOwnerCik>0001449386</rptOwnerCik>
            <rptOwnerName>Hill John P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>7050 WINNETKA AVE. N.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 100</rptOwnerStreet2>
            <rptOwnerCity>BROOKLYN PARK</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>55428</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Operating Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
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            <transactionAmounts>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                    <value>167125</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Stock Option (Right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>23.74</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2025-09-18</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>17776</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2025-11-16</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>17776</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <value>32797</value>
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            </securityTitle>
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                <value></value>
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                <transactionPricePerShare>
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            <exerciseDate>
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            <expirationDate>
                <value>2025-11-13</value>
            </expirationDate>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                    <value>24000</value>
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                <sharesOwnedFollowingTransaction>
                    <value>8797</value>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Exercised as options were set to expire on November 16, 2025.</footnote>
        <footnote id="F2">Exercised as options were set to expire on November 13, 2025.</footnote>
        <footnote id="F3">The stock option exercised vested in 1/3rd increments beginning 11/16/2021 through 11/16/2023.</footnote>
        <footnote id="F4">The stock option exercised vested in 1/5th increments beginning 11/13/2020 through 11/13/2024.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Lucia Madan by Power of Attorney for John P. Hill</signatureName>
        <signatureDate>2025-09-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
