X0202 4/A 2005-11-10 2005-11-10 0 0001035267 INTUITIVE SURGICAL INC ISRG 0001280628 GUTHART GARY S 950 KIFER ROAD SUNNYVALE CA 94086 0 1 0 0 Sr. Vice President Common Stock 2005-11-10 4 M 0 1500 18.50 A 3148 D Common Stock 2005-11-10 4 M 0 4000 11.74 A 7148 D Common Stock 2005-11-10 4 S 0 5425 95.54 D 1723 D Common Stock 2005-11-10 4 S 0 75 95.36 D 1648 D Stock Option 18.50 2005-11-10 4 M 0 1500 18.50 A 2012-02-01 Common Stock 29093 29093 D Stock Option 18.50 2005-11-10 4 M 0 4000 11.74 A 2013-02-06 Common Stock 10024 10024 D The purpose of this amendment is to correctly report the sale price and number of shares sold of the issuer's common stock owned by the reporting person following the tranactions reported in the original Form 4 filed with the Securities and Exchange Commission on 11/10/2005 All share option grants are vested. Exercised shares are fully exercisable; remaining option shares vested at 1/48th of total grant per month. /s/Gary Guthart 2005-11-15