<SEC-DOCUMENT>0001193125-17-037281-index.html : 20170210 <SEC-HEADER>0001193125-17-037281.hdr.sgml : 20170210 <ACCEPTANCE-DATETIME>20170210094055 ACCESSION NUMBER: 0001193125-17-037281 CONFORMED SUBMISSION TYPE: SC 13G PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20170210 DATE AS OF CHANGE: 20170210 GROUP MEMBERS: COLUMBIA ACORN FUND 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 SEC ACT: 1934 Act SEC FILE NUMBER: 005-37761 FILM NUMBER: 17590019 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: COLUMBIA WANGER ASSET MANAGEMENT LLC CENTRAL INDEX KEY: 0000908733 STANDARD INDUSTRIAL CLASSIFICATION: UNKNOWN SIC - 0000 [0000] IRS NUMBER: 043519872 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: SC 13G BUSINESS ADDRESS: STREET 1: 227 W MONROE STREET STREET 2: SUITE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 BUSINESS PHONE: 312-634-9200 MAIL ADDRESS: STREET 1: 227 W MONROE ST STREET 2: STE 3000 CITY: CHICAGO STATE: IL ZIP: 60606 FORMER COMPANY: FORMER CONFORMED NAME: COLUMBIA WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 20040427 FORMER COMPANY: FORMER CONFORMED NAME: LIBERTY WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 20010220 FORMER COMPANY: FORMER CONFORMED NAME: WANGER ASSET MANAGEMENT LP DATE OF NAME CHANGE: 19990108 </SEC-HEADER> <DOCUMENT> <TYPE>SC 13G <SEQUENCE>1 <FILENAME>d287830dsc13g.htm <DESCRIPTION>SC 13G <TEXT> Document 1 - file: d287830dsc13g.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-99.1 <SEQUENCE>2 <FILENAME>d287830dex991.htm <DESCRIPTION>EX-99.1 <TEXT> Document 2 - file: d287830dex991.htm
</DOCUMENT> </SEC-DOCUMENT>