X0306 4 2013-05-16 0 0001035267 INTUITIVE SURGICAL INC ISRG 0001238937 SMITH LONNIE M 1266 KIFER ROAD SUNNYVALE CA 94086 1 0 0 0 Common Stock 2013-05-16 4 G 0 5.0 0.0 D 236208 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 236153 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 236098 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 236043 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 235988 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 235933 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 235878 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 235823 D Common Stock 2013-05-16 4 G 0 55.0 0.0 D 235768 D Common Stock 2013-05-16 4 G 0 1500.0 0.0 D 234268 D Common Stock 2013-05-21 4 G 0 30000.0 0.0 D 204268 D Common Stock 2013-05-21 4 G 0 30000.0 0.0 A 156937 I by Trust These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Catherine Smith Howell ACF Colton J. Howell U/MN/UTMA. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Kristen Smith Dayley ACF Matthew Stuart Dayley. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Kristen Smith Dayley ACF Caroline Eleanor Dayley. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Catherine Smith Howell ACF Elizabeth D Howell U/MN/UTMA. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Rebecca S Eggleston CF Madeleine Diane Eggleston. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Maryam Smith Keyser ACF Cade S. Keyser U/TX/UTMA. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Rebecca S. Eggleston ACF Brooks D. Eggleston U/CO/UTMA. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Michael Smith ACF Weston Davis Smithl U/CA/UTMA. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to Rebecca S Eggleston ACF Parker Keith Eggleston U/CO/UTMA. These shares were gifted from the account of Lonnie Smith & Cheryl Smith, Community Property to The Church of Jesus Christ of Latter-Day Saints. The reporting person contributed shares to a grantor retained annuity trust ("Lonnie M. Smith Equalization GRAT U/A 5/21/13"). The sole trustee of the GRAT is The Trust Company of Oxford. Lonnie M Smith 2013-05-22