<SEC-DOCUMENT>0001375131-18-000001.txt : 20180515
<SEC-HEADER>0001375131-18-000001.hdr.sgml : 20180515
<ACCEPTANCE-DATETIME>20180515162324
ACCESSION NUMBER:		0001375131-18-000001
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180511
FILED AS OF DATE:		20180515
DATE AS OF CHANGE:		20180515

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WHITE MICHAEL B
		CENTRAL INDEX KEY:			0001375144

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31905
		FILM NUMBER:		18836877

	MAIL ADDRESS:	
		STREET 1:		337 METAIRIE ROAD
		STREET 2:		SUITE 202
		CITY:			METAIRIE
		STATE:			LA
		ZIP:			70005

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ottley Properties, LLC
		CENTRAL INDEX KEY:			0001375131
		STATE OF INCORPORATION:			LA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31905
		FILM NUMBER:		18836878

	BUSINESS ADDRESS:	
		STREET 1:		337 METAIRIE ROAD
		STREET 2:		SUITE 202
		CITY:			METAIRIE
		STATE:			LA
		ZIP:			70005
		BUSINESS PHONE:		504-833-7900

	MAIL ADDRESS:	
		STREET 1:		337 METAIRIE ROAD
		STREET 2:		SUITE 202
		CITY:			METAIRIE
		STATE:			LA
		ZIP:			70005

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CKX LANDS, INC.
		CENTRAL INDEX KEY:			0000352955
		STANDARD INDUSTRIAL CLASSIFICATION:	CRUDE PETROLEUM & NATURAL GAS [1311]
		IRS NUMBER:				720144530
		STATE OF INCORPORATION:			LA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1508 HODGES STREET
		CITY:			LAKE CHARLES
		STATE:			LA
		ZIP:			70601
		BUSINESS PHONE:		(337) 493-2399

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1864
		CITY:			LAKE CHARLES
		STATE:			LA
		ZIP:			70602

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CKX Lands Inc
		DATE OF NAME CHANGE:	20050801

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CALCASIEU REAL ESTATE & OIL CO INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2018-05-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000352955</issuerCik>
        <issuerName>CKX LANDS, INC.</issuerName>
        <issuerTradingSymbol>CKX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001375131</rptOwnerCik>
            <rptOwnerName>Ottley Properties, LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 POYDRAS ST.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2100</rptOwnerStreet2>
            <rptOwnerCity>NEW ORLEANS</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70130</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001375144</rptOwnerCik>
            <rptOwnerName>WHITE MICHAEL B</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>400 POYDRAS ST.</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 2100</rptOwnerStreet2>
            <rptOwnerCity>NEW ORLEANS</rptOwnerCity>
            <rptOwnerState>LA</rptOwnerState>
            <rptOwnerZipCode>70130</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2018-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>10.15</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>367638</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Shares are held directly by Ottley Properties, LLC.  Michael B White, as sole manager of Ottley Properties, LLC, may be deemed to have an indirect interest in the shares, but disclaims such interest of his pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>\s\ Michael B. White as sole manager of Ottley Properties, LLC</signatureName>
        <signatureDate>2018-05-15</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>\s\ Michael B. White</signatureName>
        <signatureDate>2018-05-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
