<SEC-DOCUMENT>0001108565-25-000002.txt : 20250212
<SEC-HEADER>0001108565-25-000002.hdr.sgml : 20250212
<ACCEPTANCE-DATETIME>20250212145721
ACCESSION NUMBER:		0001108565-25-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250211
FILED AS OF DATE:		20250212
DATE AS OF CHANGE:		20250212

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WINSPEAR ROBERT L
		CENTRAL INDEX KEY:			0001108565
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41051
		FILM NUMBER:		25614332

	MAIL ADDRESS:	
		STREET 1:		C/O BLACKBOXSTOCKS INC.
		STREET 2:		5430 LBJ FREEWAY, SUITE 1485
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACKBOXSTOCKS INC.
		CENTRAL INDEX KEY:			0001567900
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-COMPUTER PROGRAMMING SERVICES [7371]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				453598066
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1485
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240
		BUSINESS PHONE:		972-726-9203

	MAIL ADDRESS:	
		STREET 1:		5430 LBJ FREEWAY
		STREET 2:		SUITE 1485
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75240

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SMSA BALLINGER ACQUISITION CORP
		DATE OF NAME CHANGE:	20130125
</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>2025-02-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001567900</issuerCik>
        <issuerName>BLACKBOXSTOCKS INC.</issuerName>
        <issuerTradingSymbol>BLBX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001108565</rptOwnerCik>
            <rptOwnerName>WINSPEAR ROBERT L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O BLACKBOXSTOCKS INC.</rptOwnerStreet1>
            <rptOwnerStreet2>5430 LBJ FREEWAY, SUITE 1485</rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>75201</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $0.001</value>
            </securityTitle>
            <transactionDate>
                <value>2025-02-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>68250</value>
                    <footnoteId id="F1"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes 25,000 new shares of common stock reported on this Form 4 that are directly owned by Robert Winspear, 37,000 shares of common stock owned by Winspear Investments LLC which is 100% owned by Mr. Winspear and his wife, and 6,250 shares of common stock owned by ACM Winspear Investments L.P. of which Mr. Winspear is general partner.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>Robert Winspear</signatureName>
        <signatureDate>2025-02-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
