X0202 4 2007-06-20 0 0000834306 BIOSITE INC BSTE 0001238935 TWOMEY CHRISTOPHER J BIOSITE INCORPORATED 9975 SUMMERS RIDGE ROAD SAN DIEGO CA 92121 0 1 0 1 Senior Vice President Finan Senior Vice President Finan Common Stock 2007-06-20 4 M 0 2245 53.38 A 3191 D Common Stock 2007-06-20 4 S 0 2245 92.33 D 946 D Common Stock 2007-06-20 4 M 0 237 47.66 A 1183 D Common Stock 2007-06-20 4 S 0 237 92.33 D 946 D Common Stock 2007-06-20 4 M 0 195 47.66 A 1141 D Common Stock 2007-06-20 4 S 0 195 92.33 D 946 D Common Stock 2007-06-20 4 M 0 326 44.18 A 1272 D Common Stock 2007-06-20 4 S 0 326 92.33 D 946 D Common Stock 40305 I by Trust Incentive Stock Option (right to buy) 47.66 2007-06-20 4 M 0 237 92.33 D 2003-06-18 2013-06-18 Common Stock 237 0 D Non-Qualified Stock Option (right to buy) 44.18 2007-06-20 4 M 0 326 92.33 D 2004-06-18 2014-06-18 Common Stock 326 3984 D Non-Qualified Stock Option (right to buy) 47.66 2007-06-20 4 M 0 195 92.33 D 2003-06-18 2013-06-18 Common Stock 195 0 D Non-Qualified Stock Option (right to buy) 53.38 2007-06-20 4 M 0 2245 92.33 D 2015-06-17 Common Stock 2245 15627 D Option vests daily over a four-year period commencing on the date of grant, except that no options are exercisable for the first six months after the date of grant. Option vests in sixteen equal quarterly installments over four years (on each quarterly anniversary of the applicable vesting commencement date), provided that no shares may be exercised during the first six (6) month period following the commencement of vesting. By: Robyn Shutak For: Christopher J. Twomey 2007-06-21