<SEC-DOCUMENT>0001104659-21-055589-index.html : 20210427
<SEC-HEADER>0001104659-21-055589.hdr.sgml : 20210427
<ACCEPTANCE-DATETIME>20210427160606
ACCESSION NUMBER:		0001104659-21-055589
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20210617
FILED AS OF DATE:		20210427
DATE AS OF CHANGE:		20210427

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:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15006
		FILM NUMBER:		21858925

	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>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>tm212386-1_def14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: tm212386-1_def14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>tm212386d1-proxy_cellpg1bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: tm212386d1-proxy_cellpg1bw.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>tm212386d1-proxy_cellpg2bw.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: tm212386d1-proxy_cellpg2bw.jpg

</DOCUMENT>
</SEC-DOCUMENT>