X0306 4 2020-02-05 0 0001035267 INTUITIVE SURGICAL INC ISRG 0001280628 GUTHART GARY S 1020 KIFER ROAD SUNNYVALE CA 94086 1 1 0 0 President & CEO Common Stock 2020-02-05 4 M 0 31875 113.73 A 403603 D Common Stock 2020-02-05 4 S 0 22233 576.5609 D 381370 D Non-Qualified Stock Option (right to buy) 113.73 2020-02-05 4 M 0 31875 0.0 D 2021-02-15 Common Stock 31875 31875 D The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on November 5, 2020. The average selling price for the transactions was $576.560879.The shares sold at:$573.48 to $573.98 = 834 shares;$574 to 574.98 = 5,880 shares; $575 to $575.95 = 3,512 shares; $576.05 to $576.93 = 2,457 shares; $577.09 to $599.99 = 5,591 shares; $578.16 to $578.87 = 528 shares; $579.03 to $579.96 = 2,320 shares; $580.29 to $580.94 = 700 shares; $581.36 to $582 = 411 shares. Non-statutory stock option granted pursuant to the 2010 Incentive Award Plan. Option shall vest 1/8 six months after the date of grant and 1/48th each month thereafter. Gary S Guthart 2020-02-06