<SEC-DOCUMENT>0001104659-21-081982-index.html : 20210616 <SEC-HEADER>0001104659-21-081982.hdr.sgml : 20210616 <ACCEPTANCE-DATETIME>20210616160150 ACCESSION NUMBER: 0001104659-21-081982 CONFORMED SUBMISSION TYPE: S-8 PUBLIC DOCUMENT COUNT: 3 FILED AS OF DATE: 20210616 DATE AS OF CHANGE: 20210616 EFFECTIVENESS DATE: 20210616 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: S-8 SEC ACT: 1933 Act SEC FILE NUMBER: 333-257137 FILM NUMBER: 211021441 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>S-8 <SEQUENCE>1 <FILENAME>tm2119432d1_s8.htm <DESCRIPTION>FORM S-8 <TEXT> Document 1 - file: tm2119432d1_s8.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>tm2119432d1_ex5-1.htm <DESCRIPTION>EXHIBIT 5.1 <TEXT> Document 2 - file: tm2119432d1_ex5-1.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-23.1 <SEQUENCE>3 <FILENAME>tm2119432d1_ex23-1.htm <DESCRIPTION>EXHIBIT 23.1 <TEXT> Document 3 - file: tm2119432d1_ex23-1.htm
</DOCUMENT> </SEC-DOCUMENT>