<SEC-DOCUMENT>0001213900-21-054650-index.html : 20211026
<SEC-HEADER>0001213900-21-054650.hdr.sgml : 20211026
<ACCEPTANCE-DATETIME>20211026164131
ACCESSION NUMBER:		0001213900-21-054650
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20211026
DATE AS OF CHANGE:		20211026

FILER:

	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:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-228882
		FILM NUMBER:		211349130

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>ea149390-424b5_sgblocks.htm
<DESCRIPTION>PROSPECTUS SUPPLEMENT
<TEXT>
Document 1 - file: ea149390-424b5_sgblocks.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>image_001.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: image_001.jpg
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>3 <FILENAME>image_002.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 3 - file: image_002.jpg
</DOCUMENT> </SEC-DOCUMENT>