Intuitive Surgical EVP sells 48 ISRG shares

Rhea-AI Filing Summary

INTUITIVE SURGICAL INC (ISRG) executive Mark Brosius, EVP & Chief Manufacturing and Supply Chain, reported selling a total of 48 shares of common stock in open market or private transactions on September 10 and 11, 2026, under a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027.

Insider Trade Summary 10b5-1

Net Seller: 48 shares

Net Sell 2 txns

Insider Brosius Mark

Role EVP & Chief Mfg and Supply Cha

Sold 48 shs ($17K)

Type	Security	Shares	Price	Value
Sale	Common Stock F1	25	$365.79	$9K
Sale	Common Stock F1	23	$347.66	$8K

Holdings After Transaction: Common Stock — 764 shares (Direct)

Footnotes (1)

1. F1. The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027.

Key Figures

Shares sold on September 11, 2026: 25 shares Sale price on September 11, 2026: $365.79 per share Shares sold on September 10, 2026: 23 shares +3 more

6 metrics

Shares sold on September 11, 2026 25 shares Common stock sale by ISRG executive in open market or private transaction

Sale price on September 11, 2026 $365.79 per share Price received for 25 shares of Intuitive Surgical common stock

Shares sold on September 10, 2026 23 shares Common stock sale by ISRG executive in open market or private transaction

Sale price on September 10, 2026 $347.66 per share Price received for 23 shares of Intuitive Surgical common stock

Total shares sold 48 shares Combined total of the two reported sales of Intuitive Surgical common stock

Rule 10b5-1 Trading Plan expiry February 14, 2027 Expiration date of the Trading Plan under which the transactions occurred

Key Terms

Trading Plan, SEC Rule 10b5-1, open market or private transaction

3 terms

Trading Plan regulatory

"The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1"

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

"Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027"

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.

open market or private transaction market

"Sale in open market or private transaction"

FAQ

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

What insider transactions did ISRG executive Mark Brosius report?

He reported two sales totaling 48 shares of Intuitive Surgical common stock on September 10 and 11, 2026, executed as open market or private transactions under a Trading Plan that complies with SEC Rule 10b5-1.

On what dates did the ISRG insider stock sales occur?

The reported sales occurred on September 10, 2026 and September 11, 2026, according to the Form 4 filed for Intuitive Surgical executive Mark Brosius.

What prices were received in the recent ISRG insider share sales?

The Form 4 reports 23 shares sold at $347.66 per share on September 10, 2026, and 25 shares sold at $365.79 per share on September 11, 2026.

How many ISRG shares did the insider sell under the Rule 10b5-1 plan?

Under the Trading Plan that complies with SEC Rule 10b5-1, the executive sold 48 shares of Intuitive Surgical common stock across two transactions reported in this Form 4.

When does the ISRG insider’s Rule 10b5-1 Trading Plan expire?

The footnote states that the Trading Plan under which these transactions occurred expires on February 14, 2027.

What is the role of the reporting person in ISRG?

The reporting person, Mark Brosius, is identified as EVP & Chief Manufacturing and Supply Chain at Intuitive Surgical.

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

Form 4 Insider Transactions: What Each Field Means →

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Available on EDGAR 09/11/2026 - 06:41 PM Accepted by SEC EDGAR 09/11/2026 - 06:41 PM 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^*

Brosius Mark

(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)

	Director		10% Owner
X	Officer (give title below)		Other (specify below)
	EVP & Chief Mfg and Supply Cha

2a. Foreign Trading Symbol

3. Date of Earliest Transaction (Month/Day/Year)
09/10/2026

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	09/10/2026		S(1)		23	D	$347.66	789	D
Common Stock	09/11/2026		S(1)		25	D	$365.79	764	D

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 February 14, 2027.

	By: Stephanie Lim-Ignacio For: Brosius, Mark	09/11/2026
	** 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)