X0202 4 2005-09-09 0 0000874255 MEDAREX INC MEDX 0001214505 NICHOL GEOFFREY MEDAREX, INC. 707 STATE ROAD PRINCETON NJ 08540 0 1 0 0 Senior Vice President Common Stock, $.01 par value per share 2005-09-09 4 M 0 110000 5.245 A 150000 D Common Stock, $.01 par value per share 2005-09-09 4 S 0 110000 10.11 D 40000 D Common Stock, $.01 par value per share 2005-09-09 4 S 0 10000 10.11 D 30000 D Stock Options (Right to Buy) 7.155 2003-10-14 4 A 0 200000 0 A 2004-10-14 2013-10-13 Common Stock 200000 200000 D Phantom Stock Units 0 2004-03-02 4 A 0 9010 0 A 2004-03-02 2007-03-02 Common Stock 9010 9010 D Stock Options (Right to Buy) 5.61 2004-07-26 4 A 0 185000 0 A 2005-07-26 2014-07-25 Common Stock 185000 185000 D Phantom Stock Units 0 2005-02-08 4 A 0 16986 0 A 2005-02-08 2008-02-08 Common Stock 16986 16986 D Stock Options (Right to Buy) 9.90 2005-09-06 4 A 0 250000 0 A 2006-09-06 2015-09-05 Common Stock 250000 250000 D Stock Options (Right to Buy) 5.245 2005-09-09 4 D 0 110000 0 D 2003-09-09 2012-09-08 Common Stock 110000 90000 D Options representing 50,000 shares became exercisable on September 9, 2003. The remaining options become exercisable in 36 equal monthly installments. Options representing 50,000 shares became exercisable on October 14, 2004. The remaining options vest in 36 equal monthly installments beginning on November 14, 2004. Represents phantom stock units convertible into shares of the Company's common stock on a 1-for-1 basis. The phantom stock units are settled 100% in shares of the Company's common stock on March 2, 2007. Phantom stock units representating 5,631 vest immediately. The remaining phantom stock units vest in three equal annual installments beginning on March 2, 2005. Options representing 46,250 shares became exercisable on July 26, 2005. The remaining options become exercisable in 36 equal monthly installments beginning on August 26, 2005. Represents phantom stock units convertible into shares of the Company's common stock on a 1-for-1 basis. The phantom stock units are to be settled 100% in shares of the Company's common stock on February 8, 2008. Phantom stock units representing 10,616 shares vest immediately. The remaining phantom stock units vest in three equal annual installments beginning on February 8, 2006. Options representing 62,500 shares become exercisable on September 6, 2006. The remaining options become exercisable in 36 equal monthly installments beginning on October 6, 2006. GEOFFREY M. NICHOL 2005-09-13