<SEC-DOCUMENT>0000310051-20-000002.txt : 20200316
<SEC-HEADER>0000310051-20-000002.hdr.sgml : 20200316
<ACCEPTANCE-DATETIME>20200316192122
ACCESSION NUMBER:		0000310051-20-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200313
FILED AS OF DATE:		20200316
DATE AS OF CHANGE:		20200316

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KING LUTHER CAPITAL MANAGEMENT CORP
		CENTRAL INDEX KEY:			0000310051
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718820

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		8173323235

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			King Luther Jr
		CENTRAL INDEX KEY:			0001290407

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718821

	MAIL ADDRESS:	
		STREET 1:		5949 SHERRY LANE, SUITE 1400
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75225

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:		20718822

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LKCM Investment Partnership, L.P.
		CENTRAL INDEX KEY:			0001406371
		STATE OF INCORPORATION:			TX
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718823

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-3235

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LKCM Core Discipline, L.P.
		CENTRAL INDEX KEY:			0001502283
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718824

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET, SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-3235

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

	FORMER NAME:	
		FORMER CONFORMED NAME:	LKCM Long-Short Onshore Fund, L.P.
		DATE OF NAME CHANGE:	20100928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LKCM Micro-Cap Partnership, L.P.
		CENTRAL INDEX KEY:			0001502285
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718825

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-3235

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LKCM Headwater Investments II, L.P.
		CENTRAL INDEX KEY:			0001621801
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718826

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-3235

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LKCM Private Discipline Master Fund, SPC
		CENTRAL INDEX KEY:			0001406372

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718827

	BUSINESS ADDRESS:	
		STREET 1:		PO BOX 309GT
		STREET 2:		UGLAND HOUSE, SOUTH CHURCH STREET
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			00000
		BUSINESS PHONE:		817-332-3235

	MAIL ADDRESS:	
		STREET 1:		PO BOX 309GT
		STREET 2:		UGLAND HOUSE, SOUTH CHURCH STREET
		CITY:			GRAND CAYMAN
		STATE:			E9
		ZIP:			00000

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Headwater Lawson Investors, LLC
		CENTRAL INDEX KEY:			0001765653
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-10546
		FILM NUMBER:		20718828

	BUSINESS ADDRESS:	
		STREET 1:		301 COMMERCE STREET
		STREET 2:		SUITE 1600
		CITY:			FORT WORTH
		STATE:			TX
		ZIP:			76102
		BUSINESS PHONE:		817-332-3235

	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>2020-03-13</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000310051</rptOwnerCik>
            <rptOwnerName>KING LUTHER CAPITAL MANAGEMENT CORP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE SUITE 1600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001290407</rptOwnerCik>
            <rptOwnerName>King Luther Jr</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>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <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>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001406371</rptOwnerCik>
            <rptOwnerName>LKCM Investment Partnership, L.P.</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>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001502283</rptOwnerCik>
            <rptOwnerName>LKCM Core Discipline, L.P.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>301 COMMERCE STREET, SUITE 1600</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FORT WORTH</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>76102</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001502285</rptOwnerCik>
            <rptOwnerName>LKCM Micro-Cap Partnership, L.P.</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>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001621801</rptOwnerCik>
            <rptOwnerName>LKCM Headwater Investments II, L.P.</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>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001406372</rptOwnerCik>
            <rptOwnerName>LKCM Private Discipline Master Fund, SPC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 309GT</rptOwnerStreet1>
            <rptOwnerStreet2>UGLAND HOUSE, SOUTH CHURCH STREET</rptOwnerStreet2>
            <rptOwnerCity>GRAND CAYMAN</rptOwnerCity>
            <rptOwnerState>E9</rptOwnerState>
            <rptOwnerZipCode>00000</rptOwnerZipCode>
            <rptOwnerStateDescription>CAYMAN ISLANDS</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001765653</rptOwnerCik>
            <rptOwnerName>Headwater Lawson Investors, LLC</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>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-03-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>11600</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>34.5871</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>4350556</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See footnote</value>
                    <footnoteId id="F2"/>
                    <footnoteId id="F3"/>
                    <footnoteId id="F4"/>
                    <footnoteId id="F5"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Includes (i) 362 shares purchased by LKCM Core Discipline, L.P. (Core), (ii) 752 shares purchased by LKCM Micro-Cap Partnership, L.P. (Micro), and (iii) 10,513 shares purchased by LKCM Private Discipline Master Fund, SPC (PDP).</footnote>
        <footnote id="F2">This Form 4 is filed by Luther King Capital Management Corporation (LKCM), PDP, Core, Micro, LKCM Investment Partnership, L.P. (LIP), LKCM Headwater Investments II, L.P. (HW2), Headwater Lawson Investors, LLC (HLI), J. Luther King, Jr. and J. Bryan King (Reporting Persons). LKCM Private Discipline Management, L.P. holds the management shares of PDP, and LKCM Alternative Management, LLC (PDP GP) is its general partner. LKCM Investment Partnership GP, LLC (LIP GP) is the general partner of LIP. 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. (HW2 GP) is the general partner of HW2.</footnote>
        <footnote id="F3">LKCM is the investment manager for PDP, LIP, Micro, Core, HW2 and HLI. J. Luther King, Jr. is a controlling shareholder or member, as applicable, of LKCM and LIP GP. J. Bryan King is a controlling member of HW2 GP and managing member of HLI. J. Luther King, Jr. and J. Bryan King are controlling members of PDP GP, Micro GP and Core GP.</footnote>
        <footnote id="F4">Includes (i) 1,699,871 shares held by PDP, (ii) 250,000 shares held by LIP, (iii) 10,490 shares held by Core, (iv) 26,827 shares held by Micro, (v) 1,761,494 shares held by HLI, (vi) 592,326 shares held by HW2, (vii) 2,500 shares held by a separately managed portfolio for which LKCM serves as investment manager, and (viii) 7,048 shares held directly by J. Bryan King.</footnote>
        <footnote id="F5">Each of the Reporting Persons expressly disclaims membership in a group under the Securities Exchange Act of 1934, as amended, with respect to the securities reported herein, and this Form 4 shall not be an admission that any such Reporting Person is a member of such a group. Each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein, except to the extent of its pecuniary interest therein, and this Form 4 shall not be deemed to be an admission that any such Reporting Person is the beneficial owner of such securities for purposes of the Securities Exchange Act of 1934, as amended, or for any other purpose.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>J. Bryan King, for Luther King Capital Management Corporation</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Bryan King, for LKCM Private Discipline Master Fund, SPC</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Bryan King, for LKCM Micro-Cap Partnership, L.P.</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Bryan King, for LKCM Headwater Investments II, L.P.</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Bryan King, for Headwater Lawson Investors, LLC</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Bryan King, for LKCM Core Discipline, L.P.</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Bryan King</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Luther King, Jr., for LKCM Investment Partnership, L.P.</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>J. Luther King, Jr.</signatureName>
        <signatureDate>2020-03-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
