<SEC-DOCUMENT>0001104659-21-092200-index.html : 20210715 <SEC-HEADER>0001104659-21-092200.hdr.sgml : 20210715 <ACCEPTANCE-DATETIME>20210714190952 ACCESSION NUMBER: 0001104659-21-092200 CONFORMED SUBMISSION TYPE: 424B5 PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20210715 DATE AS OF CHANGE: 20210714 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: 333-249917 FILM NUMBER: 211091310 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>424B5 <SEQUENCE>1 <FILENAME>tm2121701-4_424b5.htm <DESCRIPTION>424B5 <TEXT> Document 1 - file: tm2121701-4_424b5.htm
</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>2 <FILENAME>lg_celldextherapeutics-4c.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 2 - file: lg_celldextherapeutics-4c.jpg
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