<SEC-DOCUMENT>0000914760-15-000181.txt : 20150512
<SEC-HEADER>0000914760-15-000181.hdr.sgml : 20150512
<ACCEPTANCE-DATETIME>20150512164154
ACCESSION NUMBER:		0000914760-15-000181
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150512
DATE AS OF CHANGE:		20150512

SUBJECT COMPANY:	

	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

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-33906
		FILM NUMBER:		15854960

	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

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PORT RONALD B
		CENTRAL INDEX KEY:			0001209519

	FILING VALUES:
		FORM TYPE:		SC 13D/A
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>l02121_sc13da16.htm
<DESCRIPTION>AMENDMENT NO. 16
<TEXT>
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<P STYLE="margin: 0"></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">UNITED STATES</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">SECURITIES AND EXCHANGE COMMISSION</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">Washington, D.C. 20549</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">--------------</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">Amendment No. 6</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">to</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">SCHEDULE 13D/A</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">UNDER THE SECURITIES EXCHANGE ACT OF 1934</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Amendment No. 6)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.5pt solid"><B>LAWSON
PRODUCTS, INC.</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name of Issuer)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.25pt solid"><B>Common
Stock, par value $1.00 per share</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Title of Class of Securities)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.25pt solid"><B>520776
10 5</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">(CUSIP Number)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">Ronald B. Port, M.D.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">Lawson Products, Inc.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">1666 East Touhy Avenue</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">Des Plaines, Illinois 60018</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">Tel. No.: (847) 827-9666</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; border-bottom: Black 0.25pt solid">&#9;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name, Address and Telephone Number of Person
Authorized</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">to Receive Notices and Communications)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center; border-bottom: Black 0.25pt solid">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>May 4, 2015</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Date of Event which Requires Filing of this
Statement)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">If the filing person has previously filed a statement on Schedule
13G to report the acquisition which is the subject of this Schedule 13D, and is filing this statement because of Rule 13d-1(e),
13d-1(f) or 13d-1(g), check the following box: [ ]</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">*The remainder of this cover page shall be filled out for a reporting
person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing
information which would alter disclosures provided in a prior cover page.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">The information required on the remainder of this cover page shall
not be deemed to be &quot;filed&quot; for the purpose of Section 18 of the Securities Exchange Act of 1934 (&quot;Act&quot;) or
otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the act (however,
see the Notes).</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center">SCHEDULE 13D</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center"><U>CUSIP No. 520776 10 5&#9;</U></P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 1pt; margin-bottom: 1pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.25pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">1 NAME OF REPORTING PERSON</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in"><B>Ronald B. Port, M.D.</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 83%; font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">2&nbsp;&nbsp;&nbsp;&nbsp;CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="width: 17%; font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">(a)&nbsp;&nbsp;[&nbsp;&nbsp;&nbsp;]</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">(b)&nbsp;&nbsp;[<B>X</B>]</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">3 SEC USE ONLY</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 83%; font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">4&nbsp;&nbsp;&nbsp;&nbsp;SOURCE OF FUNDS</FONT></TD>
    <TD STYLE="width: 17%; font: 12pt Times New Roman, Times, Serif; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">PF</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 83%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">5&nbsp;&nbsp;&nbsp;&nbsp;CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED </FONT></TD>
    <TD STYLE="width: 17%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT TO ITEMS 2(d) or 2(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">[&nbsp;&nbsp;]</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">6 CITIZENSHIP OR PLACE OF ORGANIZATION</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">United States of America</P>

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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 37%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 63%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">7&nbsp;&nbsp;&nbsp;&nbsp;SOLE VOTING POWER</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">NUMBER OF SHARES&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;136,607</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">BENEFICIALLY</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">_______________________________________________</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">OWNED BY EACH</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">8 &nbsp;&nbsp;&nbsp;SHARED VOTING POWER</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">REPORTING PERSON</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;1,131,041</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">WITH</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">_______________________________________________</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">9&nbsp;&nbsp;&nbsp;&nbsp;SOLE DISPOSITIVE POWER</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;136,607</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">_______________________________________________</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">10&nbsp;&nbsp;&nbsp;SHARED DISPOSITIVE POWER</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;1,131,041</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">11 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">1,267,648</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">12 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 12pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 87%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;CERTAIN SHARES&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></TD>
    <TD STYLE="width: 13%; padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">[&nbsp;&nbsp;]</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">13 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">14.6% based on 8,708,469 shares of Common Stock
outstanding as of April 15, 2015.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">14 TYPE OF REPORTING PERSON</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in; border-bottom: Black 0.25pt solid">IN</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">SCHEDULE 13D</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">This Amendment No. 6 to Schedule 13D (the &ldquo;Amendment&rdquo;)
is filed by Ronald B. Port, M.D. Dr. Port has previously filed a Schedule 13D on June 20, 2012 which has been further amended (the
&ldquo;Schedule 13D&rdquo;). The Amendment amends the Schedule 13D to include the information set forth below. This Amendment reflects
the reorganization of certain Family trusts formed on behalf of Dr. Port&rsquo;s Family.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><B>Item 1. Security and Issuer</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">This statement relates to the Common Stock,
par value $1.00 per share (the &ldquo;Common Stock&rdquo;), of Lawson Products, Inc., a Delaware corporation (the &ldquo;Company&rdquo;),
having its principal executive offices at 1666 East Touhy Road, Des Plaines, Illinois 60018.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><B>Item 5. Interest in Securities of the Issuer</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Dr. Port has the power to vote a total of 1,267,648
shares of Common Stock, representing approximately 14.6% of the outstanding Common Stock of the Company. Of these shares, Dr. Port
owns 125,244 shares directly, 1,131,041 shares as co-trustee of trusts formed for the benefit of Dr. Port and/or his family, and
11,363 shares of Common Stock as financial advisor of a trust.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Reference is made to the cover page of this
Schedule 13D for additional information on Dr. Port&rsquo;s Common Stock ownership.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">Dr. Port engaged in the following transactions
in the last sixty days: On May 4, 2015, Dr. Port sold 150,000 shares of common stock for $23.50 per share. The shares were sold
from trusts for which Dr. Port is co-trustee. On May 11, 2015, Dr. Port was awarded by the Company 3,260 shares of Restricted Common Stock for his services
as a director of the Company (the &ldquo;Restricted Stock&rdquo;). The Restricted Stock vests one year from the date of grant.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>


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<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0"><B>SIGNATURE</B></P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">After reasonable inquiry and to the best of
my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">Dated: May 12, 2015</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 12pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

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    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="width: 14%; padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
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    <TD STYLE="width: 58%; padding-right: 5.4pt; padding-left: 5.4pt; text-decoration: underline"><FONT STYLE="font-size: 12pt"><U>/s/ Ronald B. Port, M.D.</U></FONT></TD></TR>
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    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt"><FONT STYLE="font-size: 12pt">Ronald B. Port, M.D.</FONT></TD></TR>
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