Statement of Changes in Beneficial Ownership (4)

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 * GUTHART GARY S	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 __X__ Officer (give title below)    _____ Other (specify below) President & CEO
(Last)          (First)          (Middle) 1020 KIFER ROAD	3. Date of Earliest Transaction (MM/DD/YYYY) 12/5/2019
(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	12/5/2019		M(1)		31875	A	$113.73	396105	D
Common Stock	12/5/2019		S(1)		22377	D	$582.1193 (2)	373728	D
Common Stock	12/9/2019		G(3)		2000	D	$0.0	371728	D

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 Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. 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 Date		7. 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)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	$113.73	12/5/2019		M (1)			31875	(4)	2/15/2021	Common Stock	31875	$0.0	63750	D

Explanation of Responses:
(1)	The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on November 5, 2020.
(2)	The average selling price for the transactions was $582.1183 The shares sold at: $579.00 to $579.99 = 878 shares; $580.00 to $580.99 = 4,613 shares; $581.00 - $581.99 = 4,676 shares; $582.00 - $582.99 = 5,680 shares; $583.00 - $583.99 = 4,530 shares; $584.00 - $584.99 = 1,900 shares; $585.00 - $585.99 = 100 shares.
(3)	The shares were donated to a Donor Advised (TIMBO) Fund in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on November 5, 2020.
(4)	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.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GUTHART GARY S 1020 KIFER ROAD SUNNYVALE, CA 94086	X		President & CEO

Signatures
Gary S Guthart		12/9/2019
**Signature of Reporting Person		Date