0000905718-16-001807.txt : 20161215 0000905718-16-001807.hdr.sgml : 20161215 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 3 1 mcmahon_form3dec142016.xml OWNERSHIP DOCUMENT X0206 3 2016-12-14 0 0000744218 Celldex Therapeutics, Inc. CLDX 0001290747 McMahon Gerald PhD C/O CELLDEX THERAPEUTICS, INC. 53 FRONTAGE ROAD, SUITE 220 HAMPTON NJ 08827 1 0 0 0 Common Stock, par value $0.001 per share 267356 D The number of shares of common stock, par value $0.001 per share ("Common Stock") of Celldex Therapeutics, Inc. ("Issuer") reported on this Form 3 does not reflect the withholding by the Issuer of Common Stock equal to the amount of required tax and other withholdings (the "Withholdings"). On November 28, 2016, in connection with Reporting Person's employment separation with Kolltan Pharmaceuticals, Inc., Reporting Person entered into a severance agreement with the Issuer whereby Issuer agreed to pay Reporting Person 267,356 shares of Common Stock less required Withholdings. 200,517 shares of Common Stock, less Withholdings, will be issued to Reporting Person ratably over 24 months commencing in the first quarter of 2017 and 66,839 shares of Common Stock, less Withholdings will be issued not later than March 15, 2017. /s/ Avery W. Catlin, attorney-in-fact for Gerald McMahon PhD 2016-12-15 EX-24 2 mcmahon_poa.htm POWER OF ATTORNEY

Exhibit 24

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints each of Anthony S. Marucci and Avery W. Catlin his true and lawful attorney-in-fact to:

execute for and on behalf of the undersigned Schedules 13D and 13G, Form ID, and Forms 3, 4 and 5 in accordance with Sections 13 and 16(a) of the Securities Exchange Act of 1934 and the rules thereunder;

do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete the execution of any such Schedules 13D or 13G, Form ID and Forms 3, 4 or 5, and the timely filing of such Forms with the United States Securities and Exchange Commission and any other authority; and

take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of benefit to, in the best interest of, or legally required by, the undersigned, including without limitation the execution and filing of a Form 4 with respect to a transaction which may be reported on a Form 5, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve in his discretion.

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform all and every act and thing whatsoever requisite, necessary and proper to be done in the exercise of any of the rights and powers herein granted, as fully and to all intents and purposes as he might or could do in person, with full power of substitution and resubstitution, hereby ratifying and confirming all that such attorney-in-fact, or his substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming any of the undersigned's responsibilities to comply with Sections 13 and 16 of the Securities Exchange Act of 1934.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this 5th day of December, 2016.

/s/ Gerald McMahon

Name: Gerald McMahon