Intuitive Surgical (ISRG) SVP nets 592 shares after RSU vesting

Rhea-AI Filing Summary

Intuitive Surgical executive Mark Brosius reported routine equity compensation activity. On February 10, 2026, 838 restricted stock units granted on February 28, 2023 converted into the same number of common shares at an exercise price of $0.00.

To cover statutory tax withholding, 433 common shares were automatically disposed of at $492.84 per share, leaving Brosius with 592 shares of Intuitive Surgical common stock held directly after the transactions. The RSUs vest in four equal annual installments, each representing 25% of the award.

Insider Trade Summary

838 shares exercised/converted

Mixed 3 txns

Insider Brosius Mark

Role SVP & Chief Mfg and Supply Cha

Type	Security	Shares	Price	Value
Exercise	Restricted Stock Units - 2-28-2023	838	$0.00	--
Exercise	Common Stock	838	$0.00	--
Tax Withholding	Common Stock	433	$492.84	$213K

Holdings After Transaction: Restricted Stock Units - 2-28-2023 — 838 shares (Direct); Common Stock — 1,025 shares (Direct)

Footnotes (1)

1. RSUs vest 25% per year over a four year period, commencing on each anniversary of February 10, 2023. 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. Constitute restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock upon vesting. 25% of the RSUs shall vest on each anniversary of February 10, 2023, subject to Reporting Person's continuous service to the Issuer through each such vesting date.

Form 4 Insider Transactions: What Each Field Means →

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^*

Brosius Mark

(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)
	SVP & Chief Mfg and Supply Cha

3. Date of Earliest Transaction (Month/Day/Year)
02/10/2026

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	02/10/2026		M(1)		838	A	$0.0	1,025	D
Common Stock	02/10/2026		F(1)		433	D	$492.84	592	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
Restricted Stock Units - 2-28-2023	$0.0	02/10/2026		M			838	(2)	(2)	Common Stock	838	$0.0	838	D

Explanation of Responses:

1. RSUs vest 25% per year over a four year period, commencing on each anniversary of February 10, 2023. 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.

2. Constitute restricted stock units ("RSUs"). Each RSU represents a contingent right to receive one share of Issuer common stock upon vesting. 25% of the RSUs shall vest on each anniversary of February 10, 2023, subject to Reporting Person's continuous service to the Issuer through each such vesting date.

	By: Stephanie Lim-Ignacio For: Brosius, Mark	02/10/2026
	** 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.

FAQ

What did Intuitive Surgical (ISRG) executive Mark Brosius report in this Form 4?

Mark Brosius reported the vesting of 838 restricted stock units into common stock, followed by the sale of 433 shares to satisfy statutory tax withholding, resulting in direct ownership of 592 Intuitive Surgical common shares after the transactions.

How many Intuitive Surgical shares does Mark Brosius own after the 02/10/2026 transactions?

After the February 10, 2026 equity transactions, Mark Brosius directly holds 592 shares of Intuitive Surgical common stock, reflecting the net position after 838 RSUs converted and 433 shares were disposed of to cover required tax withholding obligations.

What is the vesting schedule of Mark Brosius’s Intuitive Surgical RSUs from February 2023?

The restricted stock units vest 25% per year over four years, with each tranche vesting on the anniversary of February 10, 2023. Each RSU converts into one share of Intuitive Surgical common stock upon vesting, subject to his continuous service with the company.

Why were 433 Intuitive Surgical shares sold at $492.84 in this Form 4?

A total of 433 Intuitive Surgical common shares were disposed of at $492.84 per share to cover statutory tax withholding on the RSU vesting. This type of sale-to-cover transaction is commonly used to satisfy tax obligations without requiring separate cash payments.

What does transaction code M mean in Mark Brosius’s Intuitive Surgical Form 4?

Transaction code M indicates the exercise or conversion of a derivative security, in this case restricted stock units, into common stock. For Mark Brosius, 838 RSUs converted into 838 Intuitive Surgical common shares at a stated price of $0.00 per share on February 10, 2026.

What does transaction code F represent in the Intuitive Surgical Form 4 for Mark Brosius?

Transaction code F reflects the disposition of shares to pay tax withholding obligations associated with an equity award. Here, 433 Intuitive Surgical common shares were withheld or sold at $492.84 per share to satisfy statutory taxes from the RSU vesting event.