Intuitive Surgical EVP sells 56 shares under plan

Accepted by SEC EDGAR 07/31/2026 - 05:59 PM EDT Learn about SEC filing dates

Rhea-AI Filing Summary

Intuitive Surgical executive Mark Brosius, EVP & Chief Mfg and Supply Cha, reported selling a total of 56 shares of common stock in two open-market or private transactions: 28 shares at 351.0000 per share on July 31, 2026 and 28 shares at 346.8300 per share on July 30, 2026. The sales took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027.

Insider Trade Summary 10b5-1

Net Seller: 56 shares

Net Sell 2 txns

Insider Brosius Mark

Role EVP & Chief Mfg and Supply Cha

Sold 56 shs ($20K)

Share of Position Sold 4.2%

Type	Security	Shares	Price	Value
Sale	Common Stock F1	28	$351.00	$10K
Sale	Common Stock F1	28	$346.83	$10K

Holdings After Transaction: Common Stock — 1,266 shares (Direct)

Holdings Before and After: Common Stock, 1,322 to 1,266 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

Total shares sold: 56 shares Shares sold 2026-07-31: 28.0000 shares Shares sold 2026-07-30: 28.0000 shares

3 metrics

Total shares sold 56 shares Aggregate common stock sold by Mark Brosius across reported transactions

Shares sold 2026-07-31 28.0000 shares Common stock sale by Mark Brosius on 2026-07-31 at 351.0000 per share

Shares sold 2026-07-30 28.0000 shares Common stock sale by Mark Brosius on 2026-07-30 at 346.8300 per share

Key Terms

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

3 terms

Rule 10b5-1 regulatory

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

Rule 10b5-1 is a regulation that allows company insiders to buy or sell their shares at predetermined times, even if they have access to non-public information. It acts like setting a schedule in advance for transactions, helping prevent accusations of unfair trading. This rule provides a way for insiders to plan trades transparently, giving investors confidence that these transactions are not based on hidden information.

open market or private transaction market

"Sale in open market or private transaction"

Trading Plan financial

"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.

FAQ

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

What insider stock transaction did Intuitive Surgical (ISRG) report for Mark Brosius?

Intuitive Surgical (ISRG) reported that executive Mark Brosius sold 56 shares of common stock in two transactions. He sold 28 shares on July 30, 2026 at 346.8300 per share and 28 shares on July 31, 2026 at 351.0000 per share.

On what dates did the ISRG insider sales by Mark Brosius occur and at what prices?

Mark Brosius sold Intuitive Surgical (ISRG) shares on July 30, 2026 at 346.8300 per share and on July 31, 2026 at 351.0000 per share, each transaction involving 28 shares of common stock.

How many Intuitive Surgical (ISRG) shares did Mark Brosius sell in total?

Across the reported transactions, Mark Brosius sold a total of 56 shares of Intuitive Surgical (ISRG) common stock. The sales were split evenly into two trades of 28 shares each on consecutive days, July 30 and July 31, 2026.

Were the ISRG insider sales by Mark Brosius made under a Rule 10b5-1 trading plan?

Yes, the reported Intuitive Surgical (ISRG) sales were made under a Trading Plan that complies with SEC Rule 10b5-1. The filing states that this plan governs the transactions and expires on February 14, 2027.

What is Mark Brosius’s role at Intuitive Surgical (ISRG) in this insider transaction?

In this Intuitive Surgical (ISRG) insider transaction, the reporting person is Mark Brosius, who serves as EVP & Chief Mfg and Supply Cha. The reported sales involve his directly held common stock, according to the ownership coding.

What type of transactions did Intuitive Surgical (ISRG) report for Mark Brosius on the Form 4?

Intuitive Surgical (ISRG) reported that Mark Brosius executed open-market or private sales of common stock. Both transactions are coded as “S” on Form 4, indicating sales, and each relates to 28 shares of non-derivative common stock.

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).

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)
07/30/2026

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	07/30/2026		S(1)		28	D	$346.83	1,294	D
Common Stock	07/31/2026		S(1)		28	D	$351	1,266	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	07/31/2026
	** 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)