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Tobias C Ray – ‘4’ for 9/15/20 re: Dawson Geophysical Co.

On:  Thursday, 9/17/20, at 6:37pm ET   ·   For:  9/15/20   ·   Accession #:  1104659-20-106194   ·   File #:  1-32472

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  As Of               Filer                 Filing    For·On·As Docs:Size             Issuer                      Filing Agent

 9/17/20  Tobias C Ray                      4                      1:6K   Dawson Geophysical Co.            Toppan Merrill/FA

Statement of Changes in Beneficial Ownership of Securities by an Insider   —   Form 4   —   SEA’34
Filing Table of Contents

Document/Exhibit                   Description                      Pages   Size 

 1: 4           Statement of Changes in Beneficial Ownership of     HTML      3K 
                Securities by an Insider -- a4.xml/3.6


        

This ‘4’ Document is an XML Data File that may be rendered in various formats:

  Form 4    –   Plain Text   –  SEC Website  –  EDGAR System  –    XML Data    –  <?xml?> File
 
 
XML Data rendering:  Statement of Changes in Beneficial Ownership of Securities by an Insider
 
                                                                                                                                                                                
<?xml version="1.0" encoding="windows-1252"?>
<ownershipDocument>
<schemaVersion> X0306 </schemaVersion>
<documentType> 4 </documentType>
<periodOfReport> 2020-09-15 </periodOfReport>
<notSubjectToSection16> 0 </notSubjectToSection16>
<issuer>
<issuerCik> 0000799165 </issuerCik>
<issuerName> DAWSON GEOPHYSICAL CO </issuerName>
<issuerTradingSymbol> DWSN </issuerTradingSymbol>
</issuer>
<reportingOwner>
<reportingOwnerId>
<rptOwnerCik> 0001210507 </rptOwnerCik>
<rptOwnerName> TOBIAS C RAY </rptOwnerName>
</reportingOwnerId>
<reportingOwnerAddress>
<rptOwnerStreet1> 508 W. WALL SUITE 800 </rptOwnerStreet1>
<rptOwnerStreet2></rptOwnerStreet2>
<rptOwnerCity> MIDLAND </rptOwnerCity>
<rptOwnerState> TX </rptOwnerState>
<rptOwnerZipCode> 79701 </rptOwnerZipCode>
<rptOwnerStateDescription></rptOwnerStateDescription>
</reportingOwnerAddress>
<reportingOwnerRelationship>
<isDirector> 0 </isDirector>
<isOfficer> 1 </isOfficer>
<isTenPercentOwner> 0 </isTenPercentOwner>
<isOther> 0 </isOther>
<officerTitle> EVP, Chief Operating Officer </officerTitle>
</reportingOwnerRelationship>
</reportingOwner>
<nonDerivativeTable>
<nonDerivativeTransaction>
<securityTitle>
<value> Dawson Geophysical Company-Common Stock $0.01 par value </value>
</securityTitle>
<transactionDate>
<value> 2020-09-15 </value>
</transactionDate>
<transactionCoding>
<transactionFormType> 4 </transactionFormType>
<transactionCode> S </transactionCode>
<equitySwapInvolved> 0 </equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value> 516 </value>
</transactionShares>
<transactionPricePerShare>
<value> 1.750 </value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value> D </value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 121089 </value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> D </value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeTransaction>
<securityTitle>
<value> Dawson Geophysical Company-Common Stock $0.01 par value </value>
</securityTitle>
<transactionDate>
<value> 2020-09-16 </value>
</transactionDate>
<transactionCoding>
<transactionFormType> 4 </transactionFormType>
<transactionCode> S </transactionCode>
<equitySwapInvolved> 0 </equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value> 13639 </value>
</transactionShares>
<transactionPricePerShare>
<value> 1.750 </value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value> D </value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 107450 </value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> D </value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
<nonDerivativeTransaction>
<securityTitle>
<value> Dawson Geophysical Company-Common Stock $0.01 par value </value>
</securityTitle>
<transactionDate>
<value> 2020-09-17 </value>
</transactionDate>
<transactionCoding>
<transactionFormType> 4 </transactionFormType>
<transactionCode> S </transactionCode>
<equitySwapInvolved> 0 </equitySwapInvolved>
</transactionCoding>
<transactionTimeliness>
<value></value>
</transactionTimeliness>
<transactionAmounts>
<transactionShares>
<value> 2448 </value>
</transactionShares>
<transactionPricePerShare>
<value> 1.750 </value>
</transactionPricePerShare>
<transactionAcquiredDisposedCode>
<value> D </value>
</transactionAcquiredDisposedCode>
</transactionAmounts>
<postTransactionAmounts>
<sharesOwnedFollowingTransaction>
<value> 105002 </value>
</sharesOwnedFollowingTransaction>
</postTransactionAmounts>
<ownershipNature>
<directOrIndirectOwnership>
<value> D </value>
</directOrIndirectOwnership>
</ownershipNature>
</nonDerivativeTransaction>
</nonDerivativeTable>
<ownerSignature>
<signatureName> C. Ray Tobias </signatureName>
<signatureDate> 2020-09-17 </signatureDate>
</ownerSignature>
</ownershipDocument>


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Filing Submission 0001104659-20-106194   –   Alternative Formats (Word / Rich Text, HTML, Plain Text, et al.)
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