X0202 4 2005-08-24 1 0001106842 SEEBEYOND TECHNOLOGY CORP sbyn 0001091426 PLAGA BARRY J 800 E. ROYAL OAKS DR. MONROVIA CA 91016-3633 0 1 0 0 EVP & CFO Common Stock 2005-08-24 4 P 0 444 2.34 A 25844 D Common Stock 2005-08-25 4 D 0 25844 D 0 D Stock Option (right to buy) 4 2005-08-25 4 D 0 475000 D 2010-04-19 Common Stock 475000 0 D Stock option (right to buy) 3.01 2005-08-25 4 D 0 50000 D 2012-05-31 Common Stock 50000 0 D Stock option (right to buy) 1.35 2005-08-25 4 D 0 180000 D 2012-09-20 Common Stock 180000 0 D Stock option (right to buy) 3.5 2005-08-25 4 D 0 300000 D 2015-01-21 Common Stock 300000 0 D Stock option (right to buy) 5.7 2005-08-25 4 D 0 100000 D 2011-12-07 Common Stock 100000 0 D Shares acquired on 8/24/2005 pursuant to the issuer's Employee Stock Purchase Plan. Disposed of pursuant to merger agreement between Seebeyond Technology Corporation and Sun Microsystems for a cash price per share of $4.25 as detailed in the definitive proxy statement of SeeBeyond Technology Corporation dated July 16, 2005. These options were cancelled in the merger in exchange for a cash payment of $720,500.00 representing the difference between the exercise price and the merger consideration ($4.25/share). These options were assumed pursuant to the merger agreement between Seebeyond Technology Corporation and Sun Microsystems. /s/Barry Plaga 2005-08-29