<SEC-DOCUMENT>0001213900-17-006809.txt : 20170623
<SEC-HEADER>0001213900-17-006809.hdr.sgml : 20170623
<ACCEPTANCE-DATETIME>20170623193536
ACCESSION NUMBER:		0001213900-17-006809
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20161228
FILED AS OF DATE:		20170623
DATE AS OF CHANGE:		20170623

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McAvoy Sean M
		CENTRAL INDEX KEY:			0001642615

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38037
		FILM NUMBER:		17928732

	MAIL ADDRESS:	
		STREET 1:		345 LORTON AVENUE
		STREET 2:		SUITE 303
		CITY:			BURLINGAME
		STATE:			CA
		ZIP:			94010
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>f4122816mcavoy_sgblocks.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2016-12-28</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001023994</issuerCik>
        <issuerName>SG BLOCKS, INC.</issuerName>
        <issuerTradingSymbol>SGBX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001642615</rptOwnerCik>
            <rptOwnerName>McAvoy Sean M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O HILLAIR CAPITAL MANAGEMENT LLC</rptOwnerStreet1>
            <rptOwnerStreet2>345 LORTON AVENUE, SUITE 303</rptOwnerStreet2>
            <rptOwnerCity>BURLINGAME</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94010</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>3.00</value>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2016-12-28</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>16667</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <value>2016-10-31</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>16667</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">The exercise price and number of underlying shares of common stock reported herein reflect a 3-for-1 reverse stock split of the    issuer's common stock and preferred stock effected on February 28, 2017.</footnote>
        <footnote id="F2">The Reporting Person assigned the options to Hillair Capital Investments LP, a Cayman Islands limited partnership, an affiliate of the Reporting Person.</footnote>
        <footnote id="F3">The options vest, subject to the Reporting Person's continued role as director, as to 25% of the underlying shares on the last day of each fiscal quarter following the date of grant until the options are 100% vested.</footnote>
        <footnote id="F4">The options were granted under the issuer's stock incentive plan and without payment of consideration in connection with the reporting person's service as a director.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Sean M. McAvoy</signatureName>
        <signatureDate>2017-06-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
