<SEC-DOCUMENT>0001104659-17-067407-index.html : 20171109
<SEC-HEADER>0001104659-17-067407.hdr.sgml : 20171109
<ACCEPTANCE-DATETIME>20171109162911
ACCESSION NUMBER:		0001104659-17-067407
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		6
FILED AS OF DATE:		20171109
DATE AS OF CHANGE:		20171109

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Celldex Therapeutics, Inc.
		CENTRAL INDEX KEY:			0000744218
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				133191702
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-214882
		FILM NUMBER:		171191271

	BUSINESS ADDRESS:	
		STREET 1:		53 FRONTAGE ROAD
		STREET 2:		SUITE 220
		CITY:			HAMPTON
		STATE:			NJ
		ZIP:			08827
		BUSINESS PHONE:		908-200-7500

	MAIL ADDRESS:	
		STREET 1:		53 FRONTAGE ROAD
		STREET 2:		SUITE 220
		CITY:			HAMPTON
		STATE:			NJ
		ZIP:			08827

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AVANT IMMUNOTHERAPEUTICS INC
		DATE OF NAME CHANGE:	19980828

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	T CELL SCIENCES INC
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
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<SEQUENCE>1
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<DESCRIPTION>424B5
<TEXT>
Document 1 - file: a17-26160_1424b5.htm

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<SEQUENCE>2
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g261601bui001.jpg

</DOCUMENT>
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<SEQUENCE>3
<FILENAME>g261601bui002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g261601bui002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g261601bai001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g261601bai001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g261601bai002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g261601bai002.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g261601bmi001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g261601bmi001.jpg

</DOCUMENT>
</SEC-DOCUMENT>