X0306 4 2020-02-05 0 0001035267 INTUITIVE SURGICAL INC ISRG 0001388397 Johnson Amal M 1020 KIFER ROAD SUNNYVALE CA 94086 1 0 0 0 Common Stock 2020-02-05 4 M 0 4250 119.0633 A 13456 D Common Stock 2020-02-05 4 S 0 4250 577.4332 D 9206 D Non-Qualified Stock Option (right to buy) 119.0633 2020-02-05 4 M 0 4250 0.0 D 2021-04-21 Common Stock 4250 3000 D These shares were sold in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on December 15, 2020. The average selling price for the transaction was $577.433231. Shares sold at $574.381 - $574.951 = 500; shares sold at $575.05 - $575.79 = 1,059; shares sold at $576.40 - $576.449 = 557; shares sold at $577.958 - $578.82 = 358; shares sold at $579.09 - $579.882 = 1,495; shares sold at $580.6 - $581.36 = 281. Non-statutory stock option granted pursuant to the Non-Employee Directors' Stock Option Plan. Option shall vest 100% one year after the date of grant or at the next Shareholders Meeting, whichever should take place first, provided that vesting will cease on termination of the Directors service to the Company. By: Lori Serrano For: Amal M. Johnson 2020-02-05