SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Wright Richard M. (Last) (First) (Middle) C/O CELLDEX THERAPEUTICS, INC. 53 FRONTAGE ROAD, SUITE 220 (Street) HAMPTON NJ 08827 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/01/2015	3. Issuer Name and Ticker or Trading Symbol Celldex Therapeutics, Inc. [ CLDX ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) Sr. VP & CCO	5. If Amendment, Date of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common stock, par value $0.001 per share	3,125	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Employee Stock Option (right to buy)	(1)	06/01/2022	Common Stock	12,500	$3.99	D
Employee Stock Option (right to buy)	(2)	07/01/2023	Common Stock	20,000	$16.36	D
Employee Stock Option (right to buy)	(3)	06/04/2024	Common Stock	25,000	$13.45	D
Employee Stock Option (right to buy)	(4)	06/10/2025	Common Stock	75,000	$25.41	D

Explanation of Responses:

1. The option became exercisable as to 25% of the shares on 6/1/2013. This option is currently vested as to 6,250 shares and the remaining shares vest quarterly (in equal amounts) over the subsequent 4 quarters.

2. The option became exercisable as to 25% of the shares on 7/1/2014. This option is currently vested as to 10,000 shares and the remaining shares vest quarterly (in equal amounts) over the subsequent 8 quarters.

3. The option became exercisable as to 25% of the shares on 6/4/2015. This option is currently vested as to 6,250 shares and the remaining shares vest quarterly (in equal amounts) over the subsequent 12 quarters.

4. The option becomes exercisable as to 25% of the shares on 6/10/2016 and the remaining shares vest quarterly (in equal amounts) over the subsequent 12 quarters.

Remarks:

Exhibit 24.1 - Power of Attorney

	/s/ Avery W. Catlin, attorney-in-fact	07/01/2015
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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