<SEC-DOCUMENT>0001213900-17-012324.txt : 20171120
<SEC-HEADER>0001213900-17-012324.hdr.sgml : 20171120
<ACCEPTANCE-DATETIME>20171120103017
ACCESSION NUMBER:		0001213900-17-012324
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20171120
DATE AS OF CHANGE:		20171120

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SG BLOCKS, INC.
		CENTRAL INDEX KEY:			0001023994
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-LUMBER & OTHER CONSTRUCTION MATERIALS [5030]
		IRS NUMBER:				954463937
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-53033
		FILM NUMBER:		171212896

	BUSINESS ADDRESS:	
		STREET 1:		195 MONTAGUE STREET, 14TH FLOOR
		CITY:			BROOKLYN
		STATE:			NY
		ZIP:			11201
		BUSINESS PHONE:		(646) 240-4235

	MAIL ADDRESS:	
		STREET 1:		195 MONTAGUE STREET, 14TH FLOOR
		CITY:			BROOKLYN
		STATE:			NY
		ZIP:			11201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CDSI HOLDINGS INC
		DATE OF NAME CHANGE:	19990114

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PC411 INC
		DATE OF NAME CHANGE:	19961001

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Galvin Paul M.
		CENTRAL INDEX KEY:			0001532974

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	MAIL ADDRESS:	
		STREET 1:		C/O SG BLOCKS, INC.
		STREET 2:		400 MADISON AVENUE, SUITE 16C
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>sc13d1117a1galvin_sgblocks.htm
<DESCRIPTION>AMENDMENT TO FORM SCHEDULE 13D
<TEXT>
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     <TITLE></TITLE>
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<P STYLE="margin: 0"></P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 0in; margin-bottom: 0in"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION<BR>
WASHINGTON, DC 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"><B>SCHEDULE 13D</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Rule 13d-101)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"><B>INFORMATION
TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULE 13<FONT STYLE="text-transform: none">d</FONT>-1(<FONT STYLE="text-transform: none">a</FONT>)
AND <BR>
AMENDMENTS THERETO FILED PURSUANT TO RULE 13<FONT STYLE="text-transform: none">d</FONT>-2(<FONT STYLE="text-transform: none">a</FONT>)</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Under the Securities Exchange Act of
1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Amendment No. 1)*</B></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 100%; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>SG BLOCKS, INC.</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-size: 10pt">(Name of Issuer)</FONT><BR>
<BR>
</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>Common Stock, par value $0.01 per share</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class of Securities)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>78418A 307</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Paul M. Galvin</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>c/o SG Blocks, Inc.</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>195 Montague Street, 14th Floor</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Brooklyn, NY 11201</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(646) 240-4235</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><U>With a copy to</U>:</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>David D. Watson</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Thompson Hine LLP</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>3900 Key Center</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>127 Public Square</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Cleveland, Ohio 44114</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(216) 566-5500</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name, Address and Telephone Number of Person<BR>
        Authorized to Receive Notices and Communications)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>October 24, 2017</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-size: 10pt">(Date of Event Which Requires Filing of this Statement)</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">If the filing person
has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing
this schedule because of &sect;&sect; 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check the following box &#9744;.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><I>Note</I>: Schedules
filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. <I>See</I> &sect;
240.13d-7 for other parties to whom copies are to be sent.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">* The remainder of this cover page shall
be filled out for a reporting person&rsquo;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: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">The information required
on the remainder of this cover page shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities
Exchange Act of 1934 (&ldquo;Act&rdquo;) or otherwise subject to the liabilities of that section of the Act but shall be subject
to all other provisions of the Act (however, <I>see</I> the <I>Notes</I>).</P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0pt"></P>

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

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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><P STYLE="margin: 0pt">&nbsp;</P></DIV>
    <!-- Field: /Page -->

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; border: Black 1pt solid; font-size: 10pt; padding-left: 3">CUSIP No. 78418A 307</TD>
    <TD STYLE="width: 32%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3"><B>13D</B></TD>
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3">Page
    2  of 7  Pages</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>


<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 6%; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1</B></FONT></TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 86%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">NAME OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>Paul M. Galvin</B></P></TD>
    <TD STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt; width: 8%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>2</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">CHECK THE APPROPRIATE BOX
        IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>&nbsp;</B></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(a) </FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT><BR>
<FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b) </FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>3</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>4</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">SOURCE OF FUNDS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>PF; AF; OO</B></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>5</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">CHECK IF DISCLOSURE OF LEGAL
        PROCEEDINGS IS REQUIRED PURSUANT TO ITEM 2(d) or 2(e)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; vertical-align: top"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>6</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">CITIZENSHIP OR PLACE OF
        ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>United States of America</B></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD ROWSPAN="4" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt; width: 15%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">NUMBER OF <BR>
SHARES<BR>
 BENEFICIALLY<BR>
 OWNED BY<BR>
 EACH<BR>
 REPORTING<BR>
 PERSON WITH</FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 6%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>7</B></FONT></TD>
    <TD STYLE="vertical-align: top; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 79%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>338,942(1)</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>8</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>10,144(2)</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>9</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>338,942(1)</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>&nbsp;10</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>10,144(2)</B></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>11</B></FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">AGGREGATE AMOUNT BENEFICIALLY
        OWNED BY REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>349,086(1)(2)</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; width: 6%"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>12</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; width: 86%">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">CHECK IF THE AGGREGATE AMOUNT
        IN ROW (11) EXCLUDES CERTAIN SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>&nbsp;</B></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt; width: 8%"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>13</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">PERCENT OF CLASS REPRESENTED
        BY AMOUNT IN ROW (11)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>7.6%(3)</B></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>14</B></FONT></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; text-indent: 0pt"><B>IN</B></P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 5.4pt; padding-left: 5.4pt; text-align: left; text-indent: 0pt; font-size: 10pt">&nbsp;</TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(1) Mr. Galvin&rsquo;s ownership includes 318,492
shares of Common Stock that may be acquired through the exercise of stock options (including 9,627 shares issuable upon the exercise
of stock options vesting within 60 days of the date of this Schedule 13D) and 20,000 shares of Common Stock held by Mr. Galvin
personally.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">(2) Includes 10,144 shares held by TAG Partners,
LLC (&ldquo;TAG&rdquo;), an investment partnership formed for the purpose of investing in SG Blocks, Inc. Mr. Galvin is a managing
member of and has a controlling interest in TAG. Mr. Galvin may be deemed to beneficially own the shares of Common Stock owned
by TAG. Mr. Galvin specifically disclaims beneficial ownership of the shares of Common Stock held by TAG, except to the extent
of his pecuniary interest therein, and this shall not be deemed to be an admission that Mr. Galvin is a beneficial owner of such
shares of Common Stock.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">(3) All percentages reported herein are calculated based upon an
aggregate of 4,257,238 shares of Common Stock outstanding as of October 27, 2017, as reported on the Company&rsquo;s Quarterly
Report on Form 10-Q, filed on November 8, 2017.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"></P>

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

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; border: Black 1pt solid; font-size: 10pt; padding-left: 3">CUSIP No. 78418A 307</TD>
    <TD STYLE="width: 32%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3"><B>13D</B></TD>
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3">Page
    3  of  7 Pages</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">This Amendment No. 1 to
Schedule 13D (&ldquo;Amendment No. 1&rdquo;) amends and restates the information set forth in the Schedule 13D filed by Tag Partners,
LLC, Paul M. Galvin and Joseph Tacopina with the U.S. Securities and Exchange Commission (the &ldquo;SEC&rdquo;) on November 18,
2011 (the &ldquo;Schedule 13D&rdquo;) relating to their ownership interests in the common stock, par value $0.01 per share (the
&ldquo;Common Stock&rdquo;) of SG Blocks, Inc., a Delaware corporation (the &ldquo;Company&rdquo;). This Amendment No. 1 is being
filed solely on behalf of Mr. Galvin, due to changes in his ownership interest in the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 1. Security and Issuer.&nbsp;</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">This Amendment No. 1 relates
to the Common Stock of the Company. The Company&rsquo;s principal executive offices are located at 195 Montague Street, 14th Floor,
Brooklyn, NY 11201. The shares presented in this Amendment No. 1 are reflected to give effect to the Company&rsquo;s 1-for-3 reverse
stock split effected on February 28, 2017.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>Item 2. Identity and Background.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(a) This Statement is filed
by Paul M. Galvin, the Chief Executive Officer and Chairman of the Company. Mr. Galvin has a controlling interest in TAG due to
his role as one of its managing members and, as such, may be deemed to have voting power and dispositive power over the Common
Stock owned by TAG. Mr. Galvin specifically disclaims beneficial ownership of the shares of Common Stock held by TAG, except to
the extent of his pecuniary interest therein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(b) The principal business
address of Mr. Galvin is c/o SG Blocks, Inc., 195 Montague Street, 14th Floor, Brooklyn, NY 11201.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(c) Mr. Galvin&rsquo;s principal
occupation is serving as the Chief Executive Officer and Chairman of the Board of Directors of the Company; he also serves as
a managing member of TAG. TAG was formed for the purpose of holding securities, including the securities of SG Building Blocks,
Inc. (formerly known as SG Blocks, Inc. (&ldquo;SG Building&rdquo;)).&nbsp;&nbsp;On November 4, 2011, CDSI Merger Sub, Inc., a
Delaware corporation and wholly owned subsidiary of the Company (&ldquo;Merger Sub&rdquo;), merged with and into SG Building (described
in Item 3 as the &ldquo;Merger&rdquo;).&nbsp;&nbsp;Upon consummation of the Merger, SG Building became a wholly owned subsidiary
and principal operating business of the Company.&nbsp;The Merger is further described in Item 3.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(d) During the last five
years, Mr. Galvin has not been convicted in a criminal proceeding (excluding traffic violations and similar misdemeanors).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(e) During the last five
years, Mr. Galvin has not been a party to a civil proceeding of a judicial or administrative body of competent jurisdiction nor,
as a result of such proceeding, was or is subject to a judgment, decree or final order enjoining future violations of, or prohibiting
or mandating activities subject to, federal or state securities laws or finding any violation with respect to such laws.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">(f) Mr. Galvin is a citizen
of the United States of America.</P>

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



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B></B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; border: Black 1pt solid; font-size: 10pt; padding-left: 3">CUSIP No. 78418A 307</TD>
    <TD STYLE="width: 32%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3"><B>13D</B></TD>
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3">Page
    4  of 7  Pages</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 3. Source and Amount of Funds or Other Consideration.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 20pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The shares held by TAG were received in connection
with that certain Merger Agreement and Plan of Reorganization, dated July 27, 2011 (the &ldquo;Merger Agreement&rdquo;), by and
among the Company, Merger Sub, SG Building and certain stockholders of SG Building, pursuant to which Merger Sub merged with and
into SG Building (the &ldquo;Merger&rdquo;).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Under the terms of the
Merger Agreement, upon consummation of the Merger, each share of common stock of SG Building outstanding immediately prior to the
closing of the Merger was converted into the right to receive 20.1851851852 shares of Former Common Stock, as defined below. Under
the terms of the Merger Agreement, fractional shares were rounded up to the next whole share. Accordingly, the Company issued 2,658,127
shares of Former Common Stock (adjusted for rounding) to TAG in consideration of the 131,687 shares of SG Building common stock
held by TAG. All stock options previously granted to Mr. Galvin in connection with the Merger were thereafter cancelled in connection
with the Company&rsquo;s emergence from bankruptcy, as described below.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The Company and its subsidiaries
voluntarily filed for Chapter 11 bankruptcy on October 15, 2015, from which the Company emerged on June 30, 2016. In connection
with the emergence, all previously issued and outstanding shares of the Company&rsquo;s common stock (the &ldquo;Former Common
Stock&rdquo;) were deemed discharged, cancelled and extinguished, and, pursuant to the bankruptcy plan of reorganization (the &ldquo;Plan&rdquo;),
the Company issued new Common Stock to the holders of Former Common Stock. TAG received 10,144 shares of Common Stock, on a post-reverse
stock split basis. In accordance with the Plan, all stock options granted prior to June 30, 2016 were cancelled.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Pursuant to the SG Blocks,
Inc. Stock Incentive Plan (the &ldquo;Incentive Plan&rdquo;), Mr. Galvin has been granted 393,846 options by the Company as consideration
for his roles as Chief Executive Officer and Chairman of the Company. As of the date of this Amendment No. 1, 318,942 of such options
are currently exercisable or will be exercisable within 60 days.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">On June 27, 2017, in connection
with the Company&rsquo;s public offering of Common Stock pursuant to the Registration Statement on Form S-1 filed with the Securities
and Exchange Commission on February 6, 2017 and effective as of June 21, 2017 (the &ldquo;Public Offering&rdquo;), Mr. Galvin used
personal funds to acquire 20,000 shares of Common Stock for $5.00 per share, for aggregate consideration of approximately $100,000.
No borrowed funds were used in the purchase of such shares.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 20pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 4. Purpose of Transaction. </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: justify; text-indent: 0.5in">Mr. Galvin acquired
the shares of Common Stock reported in this Amendment No. 1 for investment purposes and as part of his compensation as an officer
and director of the Company. Mr. Galvin may continue to be granted stock options or other equity compensation as part of his compensation
as the Chief Executive Officer and Chairman of the Company. He may acquire additional securities of the Company or dispose of additional
securities of the Company at any time and from time to time in the open market or otherwise.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Except for
transactions in Mr. Galvin&rsquo;s capacity as an officer or director of the Company and as set forth in this Amendment No.
1, Mr. Galvin has no present plans or proposals that would result in any of the actions described in paragraphs (a) through
(j) of Item 4 of Schedule 13D. Mr. Galvin reserves the right in the future to formulate any such plans or proposals, and to take
any actions with respect to their investments in the Company, including any or all of the actions described in paragraphs (a)
through (j) of Item 4 of Schedule 13D.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; border: Black 1pt solid; font-size: 10pt; padding-left: 3">CUSIP No. 78418A 307</TD>
    <TD STYLE="width: 32%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3"><B>13D</B></TD>
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3">Page
    5  of 7  Pages</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 5. Interest in Securities of the Issuer.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: justify">(a)<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>As
of the date hereof, Mr. Galvin may be deemed to beneficially own, in the aggregate, 349,086 shares of Common Stock, which represents
approximately 7.6% of the Company&rsquo;s outstanding shares of Common Stock. This number includes 20,000 shares of Common Stock
held by Mr. Galvin directly, 318,942 options granted to Mr. Galvin by the Company that are or will be exercisable within 60 days
of the date of this Amendment No. 1 and 10,144 shares of Common Stock held by TAG, over which Mr. Galvin has shared voting and
dispositive power.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: justify">Mr. Galvin&rsquo;s percentage ownership
of Common Stock set forth in this Amendment No. 1 is based upon an aggregate of 4,257,238 shares of Common Stock outstanding as
of October 27, 2017, as reported on the Company&rsquo;s Quarterly Report on Form 10-Q, filed on November 8, 2017.&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: justify">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr.
Galvin has sole voting and dispositive power over 338,942 shares of Common Stock held by him, including 318,942 options granted
to Mr. Galvin by the Company that are or will be exercisable within 60 days of the date of this Amendment No. 1. Mr. Galvin has
shared voting and dispositive power over the 10,144 shares of Common Stock held by TAG through his position as one of the managing
members of TAG.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: justify">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Mr.
Galvin was granted options to purchase 185,425 shares of Common Stock in connection with the Public Offering (the &ldquo;Offering
Options&rdquo;), which options were to vest and become exercisable based on the achievement of certain performance thresholds.
On October 24, 2017, all of the Offering Options vested and became exercisable, with 105,957 of such options having an exercise
price of $5.00 per share and 79,468 of such options having an exercise price of $6.00 per share.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: justify">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Other
than Joseph Tacopina, another managing member of TAG, solely in regards to the shares of Common Stock held by TAG, no person other
than Mr. Galvin is known to have the right to receive, or the power to direct the receipt of dividends from, or proceeds from
the sale of, such shares of Common Stock.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 36pt">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 36pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; border: Black 1pt solid; font-size: 10pt; padding-left: 3">CUSIP No. 78418A 307</TD>
    <TD STYLE="width: 32%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3"><B>13D</B></TD>
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3">Page
    6  of 7  Pages</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 36pt; text-indent: -36pt"><B>Item 6. Contracts, Arrangements,
Understandings or Relationships With Respect to Securities of the Issuer.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">The information set forth
in Items 3, 4 and 5 above is incorporated in this Item 6 in its entirety.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Mr. Galvin is the Chief
Executive Officer and Chairman of the Company and, accordingly, may have the ability to effect and influence control of the Company.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><I>Employment and Stock Option Agreements </I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">Mr. Gavin and the Company
are parties to an Employment Agreement, dated March 10, 2017 and effective January 1, 2017. Mr. Gavin is also a party to various
stock option agreements under the Incentive Plan, relating to his positions as Chief Executive Officer and Chairman of the Board
of Directors of the Company.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><I>Lock-Up Agreement</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in">In connection with
the Public Offering, Mr. Galvin entered into a lock-up agreement (the &ldquo;Lock-Up Agreement&rdquo;), pursuant to  which he
agreed not to, except in limited circumstances, offer, pledge, sell, contract to sell, grant, lend or otherwise transfer or
dispose of, directly or indirectly, any shares of Common Stock or any securities convertible into or exercisable or
exchangeable for shares of Common Stock for a period 365 days from June 22, 2017. The foregoing description of the Lock-Up
Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the form of
Lock-Up Agreement, which is filed as Exhibit 99.4 to this Amendment No. 1 and is incorporated herein by reference.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 7. Material to Be Filed as Exhibits.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 72pt; text-align: justify; text-indent: -36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 72pt; text-align: justify; text-indent: -36pt"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt">
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="background-color: White; width: 36pt">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt; width: 36pt">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><FONT STYLE="font-size: 10pt">99.1</FONT></TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><A HREF="http://www.sec.gov/Archives/edgar/data/1023994/000114420411043419/v230056_ex2-1.htm"><FONT STYLE="font-size: 10pt">Merger Agreement and Plan of Reorganization, dated July 27, 2011, by and among CDSI Holdings Inc., CDSI Merger Sub, Inc., SG Building Blocks, Inc. and certain shareholders of SG Building Blocks, Inc. (incorporated herein by reference to Exhibit 2.01 to the Current Report on Form 8-K as filed by the Company with the Securities and Exchange Commission on August 2, 2011).</FONT></A></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><FONT STYLE="font-size: 10pt">99.2</FONT></TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><A HREF="http://www.sec.gov/Archives/edgar/data/1023994/000121390017002294/f8k031317ex10i_sgblocks.htm"><FONT STYLE="font-size: 10pt">Employment Agreement, dated March 10, 2017, between Paul Galvin and SG Blocks, Inc. (incorporated herein by reference to Exhibit 10.1 to the Current Report on Form 8-K as filed by SG Blocks, Inc. with the Securities and Exchange Commission on March 14, 2017).</FONT></A></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><FONT STYLE="font-size: 10pt">99.3</FONT></TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><A HREF="http://www.sec.gov/Archives/edgar/data/1023994/000121390016017851/f8k102616ex10i_sgblocksinc.htm"><FONT STYLE="font-size: 10pt">Form
of SG Blocks, Inc. Incentive Stock Option Agreement (incorporated herein by reference to Exhibit 10.1 to the Current Report on
Form 8-K as filed by SG Blocks, Inc. with the Securities and Exchange Commission on November 1, 2016).</FONT></A></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,238,255)">
    <TD STYLE="background-color: White">&nbsp;</TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><FONT STYLE="font-size: 10pt">99.4</FONT></TD>
    <TD STYLE="text-align: justify; text-indent: 0pt"><FONT STYLE="font-size: 10pt"><A HREF="sc13d1117a1tgalvinex99-4_sg.htm">Form of Lock-Up Agreement.</A></FONT></TD></TR>
</TABLE>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 72pt; text-align: justify; text-indent: -36pt">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center">&nbsp;</P>

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<TR STYLE="vertical-align: top">
    <TD STYLE="width: 35%; border: Black 1pt solid; font-size: 10pt; padding-left: 3">CUSIP No. 78418A 307</TD>
    <TD STYLE="width: 32%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3"><B>13D</B></TD>
    <TD STYLE="width: 33%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; font-size: 10pt; padding-left: 3">Page
    7       of 7   Pages</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center"><B>SIGNATURE</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 0pt; text-align: justify; text-indent: 0.5in">After
reasonable inquiry and to the best of my knowledge and belief, the undersigned certifies that the information set forth in
this Amendment No. 1 is true, complete and correct.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0pt">Dated: November 20, 2017</P>

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

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    <TD STYLE="width: 60%; text-align: right; text-indent: 0pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 4%; text-align: right; text-indent: 0pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 36%; text-align: right; text-indent: 0pt; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-indent: 0pt; font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="text-indent: 0pt; font-size: 10pt; border-bottom: Black 1.5pt solid"><FONT STYLE="font-size: 10pt">/s/&nbsp;Paul M. Galvin</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-indent: 0pt; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-indent: 0pt; font-size: 10pt"><FONT STYLE="font-size: 10pt">Paul M. Galvin</FONT></TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>

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

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

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

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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.4
<SEQUENCE>2
<FILENAME>sc13d1117a1tgalvinex99-4_sg.htm
<DESCRIPTION>FORM OF LOCK-UP AGREEMENT
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0pt"><B>EXHIBIT 99.4</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Lock-Up Agreement<BR>
<BR>
</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 36pt">April __, 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">The undersigned understands
that Joseph Gunnar &amp; Co., LLC (the &ldquo;<B>Representative</B>&rdquo;) proposes to enter into an Underwriting Agreement (the
&ldquo;<B>Underwriting Agreement</B>&rdquo;) with SG Blocks, Inc., a Delaware corporation (the &ldquo;<B>Company</B>&rdquo;), providing
for the public offering (the &ldquo;<B>Public Offering</B>&rdquo;) of shares of common stock, par value $0.01 per share, of the
Company (the &ldquo;<B>Shares</B>&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">To induce the Representative
to continue its efforts in connection with the Public Offering, the undersigned hereby agrees that, without the prior written consent
of the Representative, the undersigned will not, during the period commencing on the date hereof and ending 180 or 365 days if
a director or officer after the date of the final prospectus (the &ldquo;<B>Prospectus</B>&rdquo;) relating to the Public Offering
(the &ldquo;<B>Lock-Up Period</B>&rdquo;), (1) offer, pledge, sell, contract to sell, grant, lend, or otherwise transfer or dispose
of, directly or indirectly, any Shares or any securities convertible into or exercisable or exchangeable for Shares, whether now
owned or hereafter acquired by the undersigned or with respect to which the undersigned has or hereafter acquires the power of
disposition (collectively, the &ldquo;<B>Lock-Up Securities</B>&rdquo;); (2) enter into any swap or other arrangement that transfers
to another, in whole or in part, any of the economic consequences of ownership of the Lock-Up Securities, whether any such transaction
described in clause (1) or (2) above is to be settled by delivery of Lock-Up Securities, in cash or otherwise; (3) make any demand
for or exercise any right with respect to the registration of any Lock-Up Securities; or (4) publicly disclose the intention to
make any offer, sale, pledge or disposition, or to enter into any transaction, swap, hedge or other arrangement relating to any
Lock-Up Securities. Notwithstanding the foregoing, and subject to the conditions below, the undersigned may transfer Lock-Up Securities
without the prior written consent of the Representative in connection with (a) transactions relating to Lock-Up Securities acquired
in open market transactions after the completion of the Public Offering; <U>provided</U> that no filing under Section&nbsp;16(a)
of the Securities Exchange Act of 1934, as amended (the &ldquo;<B>Exchange Act</B>&rdquo;), shall be required or shall be voluntarily
made in connection with subsequent sales of Lock-Up Securities acquired in such open market transactions; (b) transfers of Lock-Up
Securities as a <I>bona fide</I> gift, by will or intestacy or to a family member or trust for the benefit of a family member (for
purposes of this lock-up agreement, &ldquo;family member&rdquo; means any relationship by blood, marriage or adoption, not more
remote than first cousin); (c) transfers of Lock-Up Securities to a charity or educational institution; or (d) if the undersigned,
directly or indirectly, controls a corporation, partnership, limited liability company or other business entity, any transfers
of Lock-Up Securities to any shareholder, partner or member of, or owner of similar equity interests in, the undersigned, as the
case may be; <U>provided</U> that in the case of any transfer pursuant to the foregoing clauses&nbsp;(b), (c) or (d), (i) any such
transfer shall not involve a disposition for value, (ii) each transferee shall sign and deliver to the Representative a lock-up
agreement substantially in the form of this lock-up agreement and (iii) no filing under Section&nbsp;16(a) of the Exchange Act
shall be required or shall be voluntarily made. The undersigned also agrees and consents to the entry of stop transfer instructions
with the Company&rsquo;s transfer agent and registrar against the transfer of the undersigned&rsquo;s Lock-Up Securities except
in compliance with this lock-up agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">If (i) during the last
17 days of the Lock-Up Period, the Company issues an earnings release or material news or a material event relating to the Company
occurs, or (ii) prior to the expiration of the Lock-Up Period, the Company announces that it will release earnings results or becomes
aware that material news or a material event will occur during the 16-day period beginning on the last day of the Lock-Up Period,
the restrictions imposed by this lock-up agreement shall continue to apply until the expiration of the 18-day period beginning
on the issuance of the earnings release or the occurrence of such material news or material event, as applicable, unless the Representative
waives, in writing, such extension; provided, however, that this extension of the Lock-Up Period shall not apply to the extent
that FINRA has amended or repealed NASD Rule 2711(f)(4), or has otherwise provided written interpretive guidance regarding such
rule, in each case, so as to eliminate the prohibition of any broker, dealer, or member of a national securities association from
publishing or distributing any research report, with respect to the securities of an Emerging Growth Company prior to or after
the expiration of any agreement between the broker, dealer, or member of a national securities association and the Emerging Growth
Company or its shareholders that restricts or prohibits the sale of securities held by the Emerging Growth Company or its shareholders
after the initial public offering date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">The undersigned agrees
that, prior to engaging in any transaction or taking any other action that is subject to the terms of this lock-up agreement during
the period from the date hereof to and including the 34<SUP>th</SUP> day following the expiration of the initial Lock-Up Period,
the undersigned will give notice thereof to the Company and will not consummate any such transaction or take any such action unless
it has received written confirmation from the Company that the Lock-Up Period (as may have been extended pursuant to the previous
paragraph) has expired.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">If the undersigned is
an officer or director of the Company, (i) the undersigned agrees that the foregoing restrictions shall be equally applicable to
any issuer-directed or &ldquo;friends and family&rdquo; Shares that the undersigned may purchase in the Public Offering; (ii) the
Representative agrees that, at least three (3) business days before the effective date of any release or waiver of the foregoing
restrictions in connection with a transfer of Lock-Up Securities, the Representative will notify the Company of the impending release
or waiver; and (iii) the Company has agreed in the Underwriting Agreement to announce the impending release or waiver by press
release through a major news service at least two (2) business days before the effective date of the release or waiver. Any release
or waiver granted by the Representative hereunder to any such officer or director shall only be effective two (2) business days
after the publication date of such press release. The provisions of this paragraph will not apply if (a) the release or waiver
is effected solely to permit a transfer of Lock-Up Securities not for consideration and (b) the transferee has agreed in writing
to be bound by the same terms described in this lock-up agreement to the extent and for the duration that such terms remain in
effect at the time of such transfer.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">No provision in this
agreement shall be deemed to restrict or prohibit the exercise, exchange or conversion by the undersigned of any securities exercisable
or exchangeable for or convertible into Shares, as applicable; <U>provided</U> that the undersigned does not transfer the Shares
acquired on such exercise, exchange or conversion during the Lock-Up Period, unless otherwise permitted pursuant to the terms of
this lock-up agreement. In addition, no provision herein shall be deemed to restrict or prohibit the entry into or modification
of a so-called &ldquo;10b5-1&rdquo; plan at any time (other than the entry into or modification of such a plan in such a manner
as to cause the sale of any Lock-Up Securities within the Lock-Up Period).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">The undersigned understands
that the Company and the Representative are relying upon this lock-up agreement in proceeding toward consummation of the Public
Offering. The undersigned further understands that this lock-up agreement is irrevocable and shall be binding upon the undersigned&rsquo;s
heirs, legal representatives, successors and assigns.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">The undersigned understands
that, if the Underwriting Agreement is not executed by November 22, 2017, or if the Underwriting Agreement (other than the provisions
thereof which survive termination) shall terminate or be terminated prior to payment for and delivery of the Shares to be sold
thereunder, then this lock-up agreement shall be void and of no further force or effect.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">&nbsp;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt">Whether or not the Public
Offering actually occurs depends on a number of factors, including market conditions. Any Public Offering will only be made pursuant
to an Underwriting Agreement, the terms of which are subject to negotiation between the Company and the Representative.</P>

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    <TD STYLE="width: 45%"><FONT STYLE="font-size: 10pt"><B>STOCKHOLDER</B></FONT></TD></TR>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
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    <TD>&nbsp;</TD>
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    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">(Name - Please Print)</FONT></TD></TR>
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    <TD STYLE="text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
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    <TD STYLE="text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">(Signature)</FONT></TD></TR>
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    <TD STYLE="text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
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    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify; border-bottom: Black 1.5pt solid"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">(Name of Signatory, in the case of entities - Please Print)</FONT></TD></TR>
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    <TD STYLE="text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: justify">&nbsp;</TD></TR>
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    <TD STYLE="text-align: justify">&nbsp;</TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font-size: 10pt">(Title of Signatory, in the case of entities - Please Print)</FONT></TD></TR>
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    <TD STYLE="width: 9%"><FONT STYLE="font-size: 10pt">Address:</FONT></TD>
    <TD STYLE="width: 36%; border-bottom: Black 1.5pt solid">&nbsp;</TD></TR>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
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    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">3</P>

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