Intuitive Surgical director sells 20,095 shares

The director's reported sale was made under a Rule 10b5-1 Trading Plan that expires June 15, 2027.

Rhea-AI Filing Summary

Intuitive Surgical (ISRG) director Gary S. Guthart reported the sale of 20,095 shares held indirectly by a Trust on October 23, 2026, at a weighted average sale price of $451.6117 per share. The reported post-sale position held through a Trust was 1,204,530 shares. The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on June 15, 2027. The reported indirect holdings also included 26,247 shares in a Trust FBO Daughter and 26,247 shares in a Trust FBO Son.

Insider Trade Summary 10b5-1

Net Seller: 20,095 shares

Net Sell 3 txns

Insider GUTHART GARY S

Role Director

Sold 20,095 shs ($9.08M)

Type	Security	Shares	Price	Value
Sale	Common Stock F1, F2	20,095	$451.6117	$9.08M
holding	Common Stock	--	--	--
holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,204,530 shares (Indirect, by Trust); Common Stock — 26,247 shares (Indirect, Trust FBO Daughter); Common Stock — 26,247 shares (Indirect, Trust FBO Son)

Footnotes (2)

1. F1. The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on June 15, 2027.
2. F2. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $444.04 to $458.10 as follows: 120 shares sold at $444.04 to $444.43; 240 shares sold at $445.55 to $446.21; 200 shares sold at $446.78 to $447.34; 320 shares sold at $448.00 to $448.91; 10,360 shares sold at $449.04 to $450.02; 160 shares sold at $450.13 to $450.44; 840 shares sold at $451.20 to $452.19; 3,577 shares sold at $452.20 to $453.17; 908 shares sold at $453.20 to $454.11; 702 shares sold at $454.33 to $455.32; 988 shares sold at $455.34 to $456.32; 960 shares sold at $456.36 to $457.28; and 720 shares sold at $457.36 to $458.10 The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

Key Figures

Shares sold: 20,095 shares Weighted average sale price: $451.6117 per share Reported transaction price range: $444.04 to $458.10 per share +3 more

6 metrics

Shares sold 20,095 shares Sale reported October 23, 2026

Weighted average sale price $451.6117 per share Multiple transactions on October 23, 2026

Reported transaction price range $444.04 to $458.10 per share Multiple transactions on October 23, 2026

Indirect shares held through a Trust following the sale 1,204,530 shares Reported after the October 23, 2026 sale

Indirect shares in Trust FBO Daughter 26,247 shares Reported holding

Indirect shares in Trust FBO Son 26,247 shares Reported holding

Key Terms

Trading Plan, SEC Rule 10b5-1, weighted average sale price

3 terms

Trading Plan regulatory

"in accordance with a Trading Plan"

A trading plan is a written set of rules an investor follows about what to buy or sell, when to enter and exit positions, and how much risk to accept—like a travel itinerary that maps the route, stops, and budget before a trip. It matters because it helps remove emotional decisions during market swings, enforces discipline, and makes performance easier to review and improve, reducing the chance of costly impulsive moves.

SEC Rule 10b5-1 regulatory

"complies with SEC Rule 10b5-1"

A SEC Rule 10b5-1 trading plan lets company insiders set up a written, prearranged schedule for buying or selling shares so those trades are not treated as illegal insider trading later, provided the plan was adopted when they did not possess important, nonpublic information and they follow it exactly. For investors this matters because such plans can make insider activity more predictable and reduce the appearance that trades were made on secret knowledge—think of it like programming an automatic thermostat so temperature changes aren’t blamed on someone’s private decisions—though changes to or disclosures about plans can still affect confidence.

weighted average sale price financial

"a weighted average sale price"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How many ISRG shares did Gary S. Guthart sell, and at what price?

Gary S. Guthart reported selling 20,095 shares on October 23, 2026, at a weighted average sale price of $451.6117 per share. The shares were held indirectly by a Trust, which reported 1,204,530 shares following the sale; the transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1.

What was the price range for Gary S. Guthart's ISRG share sale?

The shares were sold in multiple transactions at prices ranging from $444.04 to $458.10 per share.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Available on EDGAR 10/26/2026 - 02:32 PM EDT Accepted by SEC EDGAR 10/26/2026 - 02:32 PM EDT Learn about SEC filing dates

SEC Form 4

FORM 4

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

OMB APPROVAL

OMB Number:			3235-0287
Estimated average burden
hours per response:			0.5

Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

X

Check this box to indicate that a transaction was made pursuant to a contract, instruction or written plan for the purchase or sale of equity securities of the issuer that is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c). See Instruction 10.

1. Name and Address of Reporting Person^*

GUTHART GARY S

(Last) (First) (Middle)

1020 KIFER ROAD

(Street)

SUNNYVALE CALIFORNIA 94086

(City) (State) (Zip)

UNITED STATES

(Country)

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)

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
10/23/2026

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

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

4. If Amendment, Date of Original Filed (Month/Day/Year)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction 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	10/23/2026		S(1)		20,095	D	$451.6117(2)	1,204,530	I	by Trust
Common Stock								26,247	I	Trust FBO Daughter
Common Stock								26,247	I	Trust FBO Son

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction 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 (Month/Day/Year)		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: 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

Explanation of Responses:

1. The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on June 15, 2027.

2. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $444.04 to $458.10 as follows: 120 shares sold at $444.04 to $444.43; 240 shares sold at $445.55 to $446.21; 200 shares sold at $446.78 to $447.34; 320 shares sold at $448.00 to $448.91; 10,360 shares sold at $449.04 to $450.02; 160 shares sold at $450.13 to $450.44; 840 shares sold at $451.20 to $452.19; 3,577 shares sold at $452.20 to $453.17; 908 shares sold at $453.20 to $454.11; 702 shares sold at $454.33 to $455.32; 988 shares sold at $455.34 to $456.32; 960 shares sold at $456.36 to $457.28; and 720 shares sold at $457.36 to $458.10 The Reporting Person hereby undertakes to provide to the Securities and Exchange Commission staff, the Issuer, or a security holder of the Issuer, upon request, full information regarding the number of shares sold at each respective price within the range set forth in this footnote.

	By: Stephanie Lim-Ignacio For: Guthart, Gary S	10/26/2026
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.
* Form 4: SEC 1474 (03-26)