Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
BNP PARIBAS SECURITIES CORP
  2. Issuer Name and Ticker or Trading Symbol
MEDAREX INC [MEDX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
787 SEVENTH AVE
3. Date of Earliest Transaction (Month/Day/Year)
08/08/2007
(Street)

NEW YORK, NY 10019
4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
MEDAREX INC 08/08/2007 08/08/2007 S   4,500 D $ 16.44 14,295,504 D  
MEDAREX INC 08/08/2007 08/08/2007 P   4,500 A $ 16.45 14,300,004 D  
MEDAREX INC 08/08/2007 08/08/2007 S   33,000 D $ 17.38 15,951,304 D  
MEDAREX INC 08/08/2007 08/08/2007 S   75,000 D $ 17.43 16,039,104 D  
MEDAREX INC 08/08/2007 08/08/2007 S   33,000 D $ 17.38 16,006,104 D  
MEDAREX INC 08/08/2007 08/08/2007 S   470,000 D $ 16.62 15,536,104 D  
MEDAREX INC 08/08/2007 08/08/2007 S   1,700,000 D $ 17.01 13,836,104 D  
MEDAREX INC 08/08/2007 08/08/2007 S   1,650,000 D $ 17.01 12,186,104 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P   50   08/08/2007 01/18/2008 MEDAREX INC 5,000 $ 1.75 14,305,004 D  
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P   3,900   08/08/2007 01/18/2008 MEDAREX INC 390,000 $ 1.83 14,695,004 D  
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P   6,100   08/08/2007 01/18/2008 MEDAREX INC 610,000 $ 1.82 15,305,004 D  
MEDAREX INC $ 12.5 08/08/2007 08/08/2007 S   1,000   08/08/2007 01/19/2007 MEDAREX INC 100,000 $ 0.55 15,405,004 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   379   08/08/2007 01/19/2008 MEDAREX INC 37,900 $ 1.25 15,442,904 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   40   08/08/2007 01/19/2008 MEDAREX INC 4,000 $ 1.25 15,446,904 D  
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P     77 08/08/2007 11/17/2007 MEDAREX INC 7,700 $ 1.9 15,439,204 D  
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P     20 08/08/2007 11/17/2007 MEDAREX INC 2,000 $ 1.9 15,437,204 D  
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P     274 08/08/2007 11/17/2007 MEDAREX INC 27,400 $ 1.9 15,409,804 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   3,000   08/08/2007 01/18/2008 MEDAREX INC 300,000 $ 1.33 15,709,804 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   640   08/08/2007 09/22/2007 MEDAREX INC 64,000 $ 0.35 15,773,804 D  
MEDAREX INC $ 17.5 08/08/2007 08/08/2007 P   257   08/08/2007 11/17/2007 MEDAREX INC 25,700 $ 2 15,799,504 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   26   08/08/2007 01/19/2008 MEDAREX INC 2,600 $ 1.3 15,802,104 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   154   08/08/2007 01/19/2008 MEDAREX INC 15,400 $ 1.3 15,817,504 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   145   08/08/2007 01/19/2008 MEDAREX INC 14,500 $ 1.3 15,832,004 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   23   08/08/2007 01/19/2008 MEDAREX INC 2,300 $ 1.3 15,834,304 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 P     1,500 08/08/2007 11/16/2007 MEDAREX INC 150,000 $ 0.93 15,984,304 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   10   08/08/2007 01/19/2008 MEDAREX INC 1,000 $ 1.1 15,952,304 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   12   08/08/2007 01/19/2008 MEDAREX INC 1,200 $ 1.1 15,953,504 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   100   08/08/2007 01/19/2008 MEDAREX INC 10,000 $ 1.1 15,963,504 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   297   08/08/2007 01/19/2008 MEDAREX INC 29,700 $ 1.15 15,993,204 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   69   08/08/2007 01/19/2008 MEDAREX INC 6,900 $ 1.15 16,000,104 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   65   08/08/2007 01/19/2008 MEDAREX INC 6,500 $ 1.15 16,006,604 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   287   08/08/2007 01/19/2008 MEDAREX INC 28,700 $ 1.25 16,035,304 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   394   08/08/2007 01/19/2008 MEDAREX INC 39,400 $ 1.25 16,074,704 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   73   08/08/2007 01/19/2008 MEDAREX INC 7,300 $ 1.25 16,082,004 D  
MEDAREX INC $ 15 08/08/2007 08/08/2007 S   321   08/08/2007 01/19/2008 MEDAREX INC 32,100 $ 1.35 16,114,104 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BNP PARIBAS SECURITIES CORP
787 SEVENTH AVE
NEW YORK, NY 10019
    X    

Signatures

 Brenda Hinton   08/13/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
 
Remarks:
The last sale transaction of 1,650,000 shares noted herein brought the firm's ownership below 10% of total outstanding shares.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.