Intuitive Surgical (ISRG) EVP sells 2,345 shares after PSU vesting

Rhea-AI Filing Summary

Intuitive Surgical EVP & Chief Medical Officer Myriam Curet reported multiple equity award transactions involving performance stock units (PSUs), restricted stock units (RSUs), and common stock. PSUs initially granted on February 28, 2023 had their performance criteria certified, and the resulting PSUs vested on February 28, 2026, converting into common shares.

On the same date, RSUs also vested and converted one-for-one into common stock. Some of the newly delivered shares were withheld to cover statutory tax obligations related to the PSU and RSU settlements, using shares valued at about $503.51 per share. In a separate move on February 27, 2026, a trust associated with Curet sold 2,345 shares of Intuitive Surgical common stock at an average price of $499.71 per share under a pre-arranged Rule 10b5-1 trading plan that expires on July 29, 2026.

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

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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^*

Curet Myriam

(Last) (First) (Middle)

1020 KIFER ROAD

(Street)

SUNNYVALE CA 94086

(City) (State) (Zip)

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 Medical Officer

3. Date of Earliest Transaction (Month/Day/Year)
02/27/2026

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

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. 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	02/27/2026		S(1)		2,345	D	$499.71	409	I	by Trust
Common Stock	02/28/2026		M(2)		1,002	A	$0.0	1,411	I	by Trust
Common Stock	02/28/2026		F(2)		497	D	$503.51	914	I	by Trust
Common Stock	02/28/2026		M(3)		8,378	A	$0.0	9,292	I	by Trust
Common Stock	02/28/2026		F(4)		4,155	D	$503.51	5,137	I	by Trust

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
Performance Stock Units - 2-28-2023	$0.0	02/28/2026		M			8,378	(3)	(3)	Common Stock	8,378	$0.0	0	D
Restricted Stock Units	$0.0	02/28/2026		M			1,002	(5)	02/28/2026(5)	Common Stock	1,002	$0.0	0	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 July 29, 2026.

2. RSUs vest 25% per year over a four year period, commencing on the first anniversary of the grant date. RSUs convert into common stock on the vest date on a one-for-one basis. 25% of the shares have been released and a portion of the shares were held back to cover the statutory tax withholding requirements. The net shares were deposited into the holders account.

3. Represents performance stock units ("PSUs") initially granted to the Reporting Person on February 28, 2023 subject to achievement of certain performance metrics. The performance criteria for the PSUs reported herein have been achieved, as determined by the Compensation Committee of the Issuer. The PSUs reported herein vest on February 28, 2026, the third anniversary of the grant date, subject to Reporting Person's continuous service to the Issuer through each such vesting date.

4. This transaction represents the withholding of shares to cover taxes applicable to a settlement of PSUs reported on this Form 4.

5. Each RSU granted represents a contingent right to receive one share of Intuitive Surgical common stock. The grant vests 25% on the first anniversary of the date of grant and annually thereafter, over a four year period.

	By: Stephanie Lim-Ignacio For: McAdams, Myriam Curet	03/02/2026
	** Signature of Reporting Person	Date
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FAQ

What did Intuitive Surgical (ISRG) executive Myriam Curet report in this Form 4?

Myriam Curet reported vesting and conversion of PSUs and RSUs into Intuitive Surgical common stock, share withholdings to cover tax obligations, and an open-market sale of 2,345 shares executed through a pre-arranged Rule 10b5-1 trading plan.

How many Intuitive Surgical (ISRG) shares were sold in the open market?

A trust associated with Myriam Curet sold 2,345 Intuitive Surgical common shares at an average price of $499.71 per share. The Form 4 identifies this as an open-market or private sale transaction executed under a Rule 10b5-1 trading plan.

What is the role of performance stock units (PSUs) in this ISRG Form 4?

The Form 4 shows PSUs granted on February 28, 2023 had their performance goals achieved, as determined by the issuer’s compensation committee. These PSUs vested on February 28, 2026 and converted into Intuitive Surgical common stock for Myriam Curet, subject to continued service.

How did restricted stock units (RSUs) impact Myriam Curet’s Intuitive Surgical holdings?

RSUs vested based on a schedule of 25% per year over four years, starting on the grant’s first anniversary. Upon vesting, each RSU converted into one share of Intuitive Surgical common stock, with a portion of shares retained to satisfy statutory tax withholding requirements.

Why were some Intuitive Surgical shares withheld instead of delivered in this filing?

Certain common shares were withheld to satisfy tax obligations arising from the settlement of PSUs and RSUs. The Form 4 characterizes these as tax-withholding dispositions, where shares worth about $503.51 each were retained rather than delivered in cash to cover required tax liabilities.

Was the sale of Intuitive Surgical (ISRG) shares by Myriam Curet discretionary?

The sale of 2,345 shares occurred under a pre-established Trading Plan that complies with SEC Rule 10b5-1. This plan-based structure means trades follow preset instructions rather than ad hoc timing decisions, and the plan is scheduled to expire on July 29, 2026.