Date Name Title Filing Type Shares Traded Price Total Held
May 05, 2004
VP Clinical Programs
VP Clinical Programs Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 $7.44 32,530
May 05, 2004
VP Clinical Programs
VP Clinical Programs Form 4 Open market or private sale of non-derivative or derivative security 20,000 $13.50 12,530
May 05, 2004
VP Clinical Programs
VP Clinical Programs Form 4 Open market or private sale of non-derivative or derivative security 2,000 $13.50 10,530
May 05, 2004
VP Clinical Programs
VP Clinical Programs Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 20,000 -- 15,000
May 03, 2004
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 100 $6.00 5,358
May 03, 2004
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 100 $12.59 5,258
May 03, 2004
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 200 $6.00 5,458
May 03, 2004
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 200 $12.54 5,258
May 03, 2004
Director
Director Form 4 Exercise or conversion of derivative security exempted pursuant to Rule 16b-3 500 $6.00 5,758
May 03, 2004
Director
Director Form 4 Open market or private sale of non-derivative or derivative security 500 $12.64 5,258

* Represents the number of non-derivative securities directly held. (I) Indicates that some (or all) of these shares are held indirectly.