Mark Brosius - 28 Feb 2026 Form 4 Insider Report for INTUITIVE SURGICAL INC (ISRG)

Reporting relationship: SVP & Chief Mfg and Supply Cha
Issuer ticker: ISRG
Reported as of: 28 Feb 2026
Net transaction value: -$2,311,111
SEC form: 4
Accepted by SEC: 02 Mar 2026, 16:48:04 UTC
Prior SEC filing: 27 Feb 2026
Next SEC filing: 05 Mar 2026
Source filing: View source filing
Reporting owner signature: By: Stephanie Lim-Ignacio For: Brosius, Mark

Key filing fact

Mark Brosius filed Form 4 for INTUITIVE SURGICAL INC (ISRG) on 02 Mar 2026.

Key facts

This page summarizes Mark Brosius's Form 4 filing for INTUITIVE SURGICAL INC (ISRG).
6 reported transactions and 2 derivative rows are listed below.
Accepted by SEC: 02 Mar 2026, 16:48.

Change

Previous filing in this sequence was filed on 27 Feb 2026.
Current net transaction value: -$2,311,111.

Research use

This tells you what this filing adds before you inspect full transaction and derivative tables.
You can trace every row back to the original SEC filing document.

Evidence

Filed on Form 4

Ownership activity is grounded in SEC Form 4 disclosures.

View source filing

Reporting Owners (1)

CIK 0002010300 Primary reporting owner

Brosius Mark

Relationship: SVP & Chief Mfg and Supply Cha
Address: 1020 KIFER ROAD, SUNNYVALE
Signature: By: Stephanie Lim-Ignacio For: Brosius, Mark
Signature date: 02 Mar 2026

Reported non-derivative transactions

Shares, units, or other non-derivative securities reported in this filing.

ISRG transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +877
Change %: +46%
Price: $0.000000
Shares after: 2,776
Date: 28 Feb 2026
Ownership: Direct
Footnotes: F1

ISRG transaction

Common Stock

Tax liability

Transaction value: $219,027
Shares: -435
Change %: -16%
Price: $503.51
Shares after: 2,341
Date: 28 Feb 2026
Ownership: Direct
Footnotes: F1

ISRG transaction

Common Stock

Options Exercise

Transaction value: $0
Shares: +8,378
Change %: +358%
Price: $0.000000
Shares after: 10,719
Date: 28 Feb 2026
Ownership: Direct
Footnotes: F2

ISRG transaction

Common Stock

Tax liability

Transaction value: $2,092,084
Shares: -4,155
Change %: -39%
Price: $503.51
Shares after: 6,564
Date: 28 Feb 2026
Ownership: Direct
Footnotes: F3

Reported derivative securities

Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.

ISRG transaction Derivative

Performance Stock Units - 2-28-2023

Options Exercise

Transaction value: $0
Shares: -8,378
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 28 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 8,378
Exercise price: $0.000000
Footnotes: F2

ISRG transaction Derivative

Restricted Stock Units - 2-28-2022

Options Exercise

Transaction value: $0
Shares: -877
Change %: -100%
Price: $0.000000
Shares after: 0
Date: 28 Feb 2026
Ownership: Direct
Underlying class: Common Stock
Underlying amount: 877
Exercise price: $0.000000
Footnotes: F4

^* marks a reported price that did not pass the local price check.

Additional SEC filing notes

Filing notes and footnotes

Explanation of responses 4 footnotes

Footnote F1

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.

Footnote F2

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.

Footnote F3

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

Footnote F4

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.