<SEC-DOCUMENT>0000902664-22-001350-index.html : 20220210 <SEC-HEADER>0000902664-22-001350.hdr.sgml : 20220210 <ACCEPTANCE-DATETIME>20220210091523 ACCESSION NUMBER: 0000902664-22-001350 CONFORMED SUBMISSION TYPE: SC 13G/A PUBLIC DOCUMENT COUNT: 1 FILED AS OF DATE: 20220210 DATE AS OF CHANGE: 20220210 SUBJECT COMPANY: 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: SC 13G/A SEC ACT: 1934 Act SEC FILE NUMBER: 005-37761 FILM NUMBER: 22611430 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 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: ADAGE CAPITAL PARTNERS GP, L.L.C. CENTRAL INDEX KEY: 0001165408 IRS NUMBER: 043574590 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G/A BUSINESS ADDRESS: STREET 1: 200 CLARENDON STREET STREET 2: 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: (617) 867-2800 MAIL ADDRESS: STREET 1: 200 CLARENDON STREET, 52ND FLOOR CITY: BOSTON STATE: MA ZIP: 02116 FORMER COMPANY: FORMER CONFORMED NAME: ADAGE CAPITAL PARTNERS GP LLC DATE OF NAME CHANGE: 20020117 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G/A <SEQUENCE>1 <FILENAME>p22-0664sc13ga.htm <DESCRIPTION>CELLDEX THERAPEUTICS, INC. <TEXT> Document 1 - file: p22-0664sc13ga.htm
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