<SEC-DOCUMENT>0000905718-16-001807-index.html : 20161215
<SEC-HEADER>0000905718-16-001807.hdr.sgml : 20161215
<ACCEPTANCE-DATETIME>20161215160210
ACCESSION NUMBER:		0000905718-16-001807
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20161214
FILED AS OF DATE:		20161215
DATE AS OF CHANGE:		20161215

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McMahon Gerald PhD
		CENTRAL INDEX KEY:			0001290747

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15006
		FILM NUMBER:		162053689

	MAIL ADDRESS:	
		STREET 1:		300 ELLIOTT AVENUE WEST
		STREET 2:		SUITE 500
		CITY:			SEATTLE
		STATE:			WA
		ZIP:			98119-4114
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>mcmahon_form3dec142016.xml
<DESCRIPTION>OWNERSHIP DOCUMENT
<TEXT>
Document 1 - file: mcmahon_form3dec142016.html

Document 1 - RAW XML: mcmahon_form3dec142016.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>mcmahon_poa.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 2 - file: mcmahon_poa.htm

</DOCUMENT>
</SEC-DOCUMENT>