<SEC-DOCUMENT>0000310051-18-000010.txt : 20180516
<SEC-HEADER>0000310051-18-000010.hdr.sgml : 20180516
<ACCEPTANCE-DATETIME>20180516201215
ACCESSION NUMBER:		0000310051-18-000010
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20180515
FILED AS OF DATE:		20180516
DATE AS OF CHANGE:		20180516

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			King John Bryan
		CENTRAL INDEX KEY:			0001406297

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		18841487

	MAIL ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAWSON PRODUCTS INC/NEW/DE/
		CENTRAL INDEX KEY:			0000703604
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MACHINERY, EQUIPMENT & SUPPLIES [5080]
		IRS NUMBER:				362229304
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		8770 WEST BRYN MAWR AVENUE
		STREET 2:		SUITE 900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
		BUSINESS PHONE:		773-304-5208

	MAIL ADDRESS:	
		STREET 1:		8770 WEST BRYN MAWR AVENUE
		STREET 2:		SUITE 900
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60631
</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>2018-05-15</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000703604</issuerCik>
        <issuerName>LAWSON PRODUCTS INC/NEW/DE/</issuerName>
        <issuerTradingSymbol>LAWS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001406297</rptOwnerCik>
            <rptOwnerName>King John Bryan</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1600</rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</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>2018-05-15</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>3260</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>23</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>7048</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2317914</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnotes</value>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Represents grant of restricted common stock issued to J. Bryan King as a director of the issuer.  These shares of restricted common stock will have no voting, dividend or transfer rights until the earlier to occur of (i) the first anniversary of the grant date or (ii) the date immediately preceding the date of the regularly scheduled annual meeting of the issuer's stockholders which occurs in the calendar year following the grant date.</footnote>
        <footnote id="F2">Includes (i) 1,689,358 shares held by LKCM Private Discipline Master Fund, SPC (PDP), (ii) 26,102 shares held by LKCM Micro-Cap Partnership, L.P. (Micro), (iii) 10,128 shares held by LKCM Core Discipline, L.P. (Core), and (iv) 592,326 shares held by LKCM Headwater Investments II, L.P. (HW).  LKCM Private Discipline Management, L.P. holds the management shares of PDP, and LKCM Alternative Management, LLC (PDP GP) is its general partner. LKCM Micro-Cap Management, L.P. (Micro GP) is the general partner of Micro. LKCM Core Discipline Management, L.P. (Core GP) is the general partner of Core. LKCM Headwater Investments II GP, L.P. (HW GP) is the general partner of HW.  J. Bryan King is a controlling member of PDP GP, Micro GP, Core GP, and HW GP.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>J. Bryan King</signatureName>
        <signatureDate>2018-05-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
