Key facts
- This page summarizes Mark Brosius's Form 4 filing for INTUITIVE SURGICAL INC (ISRG).
- 8 reported transactions and 4 derivative rows are listed below.
- Accepted by SEC: 27 Feb 2026, 13:19.
Mark Brosius - 26 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
- 26 Feb 2026
- Net transaction value
- -$651,947
- SEC form
- 4
- Accepted by SEC
- 27 Feb 2026, 13:19:56 UTC
- Prior SEC filing
- 10 Feb 2026
- Next SEC filing
- 02 Mar 2026
- Source filing
- View source filing
- Reporting owner signature
- By: Stephanie Lim-Ignacio For: Brosius, Mark
Source evidence
Original filing metadata and source links for verification.
5 source fields
Reporting owner
1 detail
Key filing fact
Mark Brosius filed Form 4 for INTUITIVE SURGICAL INC (ISRG) on 27 Feb 2026.
Change
- Previous filing in this sequence was filed on 10 Feb 2026.
- Current net transaction value: -$651,947.
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
View source filing
Ownership activity is grounded in SEC Form 4 disclosures.
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
- 27 Feb 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
- +1,622
- Change %
- +274%
- Price
- $0.000000
- Shares after
- 2,214
- Date
- 26 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
ISRG
transaction
Common Stock
Tax liability
- Transaction value
- $407,467
- Shares
- -805
- Change %
- -36%
- Price
- $506.17
- Shares after
- 1,409
- Date
- 26 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
ISRG
transaction
Common Stock
Options Exercise
- Transaction value
- $0
- Shares
- +973
- Change %
- +69%
- Price
- $0.000000
- Shares after
- 2,382
- Date
- 26 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
ISRG
transaction
Common Stock
Tax liability
- Transaction value
- $244,480
- Shares
- -483
- Change %
- -20%
- Price
- $506.17
- Shares after
- 1,899
- Date
- 26 Feb 2026
- Ownership
- Direct
- Footnotes
- F1
Reported derivative securities
Options, warrants, convertible securities, or similar derivative positions disclosed in the filing.
ISRG
transaction
Derivative
Performance Stock Units - 2-28-2023
Award
- Transaction value
- $0
- Shares
- +2,793
- Change %
- +50%
- Price
- $0.000000
- Shares after
- 8,378
- Date
- 26 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 2,793
- Exercise price
- $0.000000
- Footnotes
- F2
ISRG
transaction
Derivative
Restricted Stock Units - 2-26-2024
Options Exercise
- Transaction value
- $0
- Shares
- -1,622
- Change %
- -33%
- Price
- $0.000000
- Shares after
- 3,243
- Date
- 26 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 1,622
- Exercise price
- $0.000000
- Footnotes
- F3
ISRG
transaction
Derivative
Restricted Stock Units - 2-26-2025
Options Exercise
- Transaction value
- $0
- Shares
- -973
- Change %
- -25%
- Price
- $0.000000
- Shares after
- 2,918
- Date
- 26 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 973
- Exercise price
- $0.000000
- Footnotes
- F3
ISRG
transaction
Derivative
Restricted Stock Units - 2-26-2026
Award
- Transaction value
- $0
- Shares
- +4,928
- Change %
- Price
- $0.000000
- Shares after
- 4,928
- Date
- 26 Feb 2026
- Ownership
- Direct
- Underlying class
- Common Stock
- Underlying amount
- 4,928
- Exercise price
- $0.000000
- Footnotes
- F3
* marks a reported price that did not pass the local price check.
Additional SEC filing notes
Filing notes and footnotes
Explanation of responses 3 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
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.