X0202 4 2005-08-01 0 0001035267 INTUITIVE SURGICAL INC ISRG 0001055919 DUGGAN ROBERT W 950 KIFER ROAD SUNNYVALE CA 94086 1 0 0 0 Common Stock 2005-08-01 4 S 0 1695 67.24 D 1074189 D Common Stock 2005-08-01 4 S 0 81 67.23 D 1074108 D Common Stock 2005-08-01 4 S 0 172 67.21 D 1073936 D Common Stock 2005-08-01 4 S 0 128 67.35 D 1073808 D Common Stock 2005-08-01 4 S 0 258 67.30 D 1073550 D Common Stock 2005-08-01 4 S 0 1118 67.15 D 1072432 D Common Stock 2005-08-01 4 S 0 86 67.16 D 1072346 D Common Stock 2005-08-01 4 S 0 129 67.17 D 1072217 D Common Stock 2005-08-01 4 S 0 3010 67.20 D 1069207 D Common Stock 2005-08-01 4 S 0 344 67.23 D 1068863 D Common Stock 2005-08-01 4 S 0 688 67.25 D 1068175 D Common Stock 2005-08-01 4 S 0 149 67.38 D 1068026 D Common Stock 2005-08-01 4 S 0 642 67.50 D 1067384 D Common Stock 2005-08-01 4 S 0 1077 67.47 D 1066307 D Common Stock 2005-08-01 4 S 0 86 67.45 D 1066221 D Common Stock 2005-08-01 4 S 0 860 67.40 D 1065361 D Common Stock 2005-08-01 4 S 0 430 67.42 D 1064931 D Common Stock 2005-08-01 4 S 0 2277 67.60 D 1062654 D Common Stock 2005-08-01 4 S 0 172 67.63 D 1062482 D Common Stock 2005-08-01 4 S 0 344 67.75 D 1062138 D Common Stock 2005-08-01 4 S 0 258 67.71 D 1061880 D Common Stock 2005-08-01 4 S 0 1290 67.70 D 1060590 D Common Stock 2005-08-01 4 S 0 1978 68.00 D 1058612 D Common Stock 2005-08-01 4 S 0 77 67.87 D 1058535 D Common Stock 2005-08-01 4 S 0 86 67.89 D 1058449 D Common Stock 2005-08-01 4 S 0 86 67.97 D 1058363 D Common Stock 2005-08-01 4 S 0 86 67.99 D 1058277 D Common Stock 2005-08-01 4 S 0 2924 68.04 D 1055353 D Common Stock 2005-08-01 4 S 0 172 68.07 D 1055181 D Common Stock 2005-08-01 4 S 0 2462 68.05 D 1052719 D /s/ Robert W. Duggan 2005-08-03