Was the ISRG share sale made under a Rule 10b5-1 plan?

The sale was made under a Trading Plan complying with SEC Rule 10b5-1, which expires June 15, 2027.

Intuitive Surgical: Guthart trust sells 10,000 shares

Q: How many ISRG shares did the trust sell, and at what price?

A trust reported by director Gary S. Guthart sold 10,000 common shares on November 4, 2026, at a weighted-average price of $457.3370 per share. The trust's reported post-sale position was 1,194,530 shares.

Q: What were the reported prices for the ISRG trust sale?

The reported sale prices ranged from $453.69 to $458.27. The price details list 720 shares at $453.69 to $454.11, 1,845 shares at $455.00 to $455.15, 200 shares at $456.93, and 7,235 shares at $458.27.

The sale followed a Rule 10b5-1 Trading Plan set to expire June 15, 2027, with reported sale prices ranging from $453.69 to $458.27.

Available on EDGAR 11/05/2026 - 01:39 PM EST Accepted by SEC EDGAR 11/05/2026 - 01:38 PM EST

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Rhea-AI Filing Summary

Intuitive Surgical Inc. (ISRG) director Gary S. Guthart reported that a trust sold 10,000 common shares on November 4, 2026, at a weighted-average price of $457.3370 per share. The reported post-sale position for that trust was 1,194,530 shares.

The sale was made under a Trading Plan complying with SEC Rule 10b5-1 that expires June 15, 2027. Separate indirect holding entries list 26,247 shares in a trust for a daughter and 26,247 shares in a trust for a son.

Insider Trade Summary 10b5-1

Net Seller: 10,000 shares

Net Sell 1 txn

Insider GUTHART GARY S

Role Director

Sold 10,000 shs ($4.57M)

Share of Position Sold 0.83%

Type	Security	Shares	Price	Value
Sale	Common Stock ^{F1, F2}	10,000	$457.337	$4.57M
Holding	Common Stock	--	--	--
Holding	Common Stock	--	--	--

Holdings After Transaction: Common Stock — 1,194,530 shares (Indirect, by Trust); Common Stock — 26,247 shares (Indirect, Trust FBO Daughter); Common Stock — 26,247 shares (Indirect, Trust FBO Son)

Holdings Before and After: Common Stock, 1,204,530 to 1,194,530 shares (Indirect, by Trust)

Other Insiders: 4 other insiders reported open-market sales of this stock in the 30 days up to this filing.

Footnotes (2)

F1. The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on June 15, 2027.
F2. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $453.69 to $458.27 as follows: 720 shares sold at $453.69 to $454.11; 1,845 shares sold at $455.00 to $455.15; 200 shares sold at $456.93; and 7,235 shares sold at $458.27. 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: 10,000 shares Weighted-average sale price: $457.3370 per share Shares held by trust after sale: 1,194,530 shares +4 more

7 metrics

Shares sold 10,000 shares November 4, 2026

Weighted-average sale price $457.3370 per share November 4, 2026

Shares held by trust after sale 1,194,530 shares Reported following the November 4, 2026 sale

Reported sale-price range $453.69 to $458.27 per share Multiple transactions

Shares in trust for a daughter 26,247 shares Indirect holding entry

Shares in trust for a son 26,247 shares Indirect holding entry

Trading Plan expiration June 15, 2027 SEC Rule 10b5-1 Trading Plan

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 the trust sell, and at what price?

A trust reported by director Gary S. Guthart sold 10,000 common shares on November 4, 2026, at a weighted-average price of $457.3370 per share. The trust's reported post-sale position was 1,194,530 shares.

What were the reported prices for the ISRG trust sale?

The reported sale prices ranged from $453.69 to $458.27. The price details list 720 shares at $453.69 to $454.11, 1,845 shares at $455.00 to $455.15, 200 shares at $456.93, and 7,235 shares at $458.27.

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

Form 4 Insider Transactions: What Each Field Means →

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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).

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)
11/04/2026

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)
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	11/04/2026		S⁽¹⁾		10,000	D	$457.337⁽²⁾	1,194,530	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)
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)	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)		10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)

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 $453.69 to $458.27 as follows: 720 shares sold at $453.69 to $454.11; 1,845 shares sold at $455.00 to $455.15; 200 shares sold at $456.93; and 7,235 shares sold at $458.27. 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	11/05/2026
	** 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)

Source: View Original Filing on SEC EDGAR