FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

SMITH LONNIE M
2. Issuer Name and Ticker or Trading Symbol

INTUITIVE SURGICAL INC [ ISRG ]
5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

__X__ Director                    _____ 10% Owner
_____ Officer (give title below)    _____ Other (specify below)
(Last)          (First)          (Middle)

1020 KIFER ROAD
3. Date of Earliest Transaction (MM/DD/YYYY)

1/28/2020
(Street)

SUNNYVALE, CA 94086
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 1/28/2020  G(1)  13012 A$0.0 291964 D  
Common Stock 1/28/2020  G(2)  10750 A$0.0 302714 D  
Common Stock 2/13/2020  S(3)  4337 D$600.303 298377 D  
Common Stock 2/13/2020  G(4)  1300 D$0.0 297077 D  
Common Stock 1/28/2020  G(1)  13012 D$0.0 334679 I by Trust 
Common Stock 1/28/2020  G(2)  10750 D$0.0 323929 I by Trust 
Common Stock 1/28/2020  G(5)  9179 D$0.0 314750 I by Trust 
Common Stock 2/12/2020  S(6)  227 D$592.7826 314523 I by Trust 
Common Stock 2/13/2020  S(3)  3463 D$600.303 311060 I by Trust 

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security3. Trans. Date3A. Deemed Execution Date, if any4. Trans. Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
6. Date Exercisable and Expiration Date7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)11. Nature of Indirect Beneficial Ownership (Instr. 4)
CodeV(A)(D)Date ExercisableExpiration DateTitleAmount or Number of Shares

Explanation of Responses:
(1) These shares were transferred from The Trust Company of Oxford TR U/A 11/29/18 Lonnie M. Smith GRAT No. 14 to Lonnie Smith & Cheryl Smith, Community Property.
(2) These shares were transferred from The Trust Company of Oxford, TR U/A 12/05/2017 Lonnie M. Smith GRAT No. 12 to the account of Lonnie Smith & Cheryl Smith, Community Property.
(3) These shares were sold in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on March 13, 2020.
(4) These shares were were transferred to a Fidelity charitable account in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on March 13, 2020.
(5) The shares were distributed from an indirect holding, The Trust Company of Oxford, TR U/A 12/5/17 Lonnie M. Smith GRAT No. 12, to various children of the holder.
(6) The shares were sold from the Lonnie M. Smith 2013 Charitable Remainder Unitrust, from which Mr. Smith is not an Investment Advisor.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director10% OwnerOfficerOther
SMITH LONNIE M
1020 KIFER ROAD
SUNNYVALE, CA 94086
X



Signatures
By: Lori Serrano For: Lonnie M Smith2/14/2020
**Signature of Reporting PersonDate

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