<SEC-DOCUMENT>0001262182-23-000005.txt : 20231122
<SEC-HEADER>0001262182-23-000005.hdr.sgml : 20231122
<ACCEPTANCE-DATETIME>20231122140419
ACCESSION NUMBER:		0001262182-23-000005
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20231120
FILED AS OF DATE:		20231122
DATE AS OF CHANGE:		20231122

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			COCCIO CHRISTOPHER L
		CENTRAL INDEX KEY:			0001262182

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40763
		FILM NUMBER:		231432730

	MAIL ADDRESS:	
		STREET 1:		SONO-TEK CORP
		STREET 2:		2012 RT 9W
		CITY:			MILTON
		STATE:			NY
		ZIP:			12547

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SONO TEK CORP
		CENTRAL INDEX KEY:			0000806172
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				141568099
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0228

	BUSINESS ADDRESS:	
		STREET 1:		2012 RT 9W BLDG 3
		CITY:			MILTON
		STATE:			NY
		ZIP:			12547
		BUSINESS PHONE:		8457952020

	MAIL ADDRESS:	
		STREET 1:		2012 RT. 9W, BLDG. 3,
		CITY:			MILTON
		STATE:			NY
		ZIP:			12547
</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>2023-11-20</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000806172</issuerCik>
        <issuerName>SONO TEK CORP</issuerName>
        <issuerTradingSymbol>SOTK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001262182</rptOwnerCik>
            <rptOwnerName>COCCIO CHRISTOPHER L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>SONO-TEK CORP</rptOwnerStreet1>
            <rptOwnerStreet2>2012 RT 9W</rptOwnerStreet2>
            <rptOwnerCity>MILTON</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>12547</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Sono-Tek Corp Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-11-20</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1530</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.01</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>344444</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Sono-Tek Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2023-11-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>298</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>5.01</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>344146</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Christopher Coccio</signatureName>
        <signatureDate>2023-11-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
