INTUITIVE SURGICAL INC — Director's Dealing 2026

Feb 27, 2026

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: INTUITIVE SURGICAL INC (ISRG)
CIK: 0001035267
Period of Report: 2026-02-26

Reporting Person: Brosius Mark (SVP & Chief Mfg and Supply Cha)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2026-02-26	Common Stock	M	1622	$0.0	Acquired	2214	Direct
2026-02-26	Common Stock	F	805	$506.17	Disposed	1409	Direct
2026-02-26	Common Stock	M	973	$0.0	Acquired	2382	Direct
2026-02-26	Common Stock	F	483	$506.17	Disposed	1899	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2026-02-26	Performance Stock Units - 2-28-2023	$0.0	A	2793	Acquired		Common Stock (2793)	Direct
2026-02-26	Restricted Stock Units - 2-26-2024	$0.0	M	1622	Disposed		Common Stock (1622)	Direct
2026-02-26	Restricted Stock Units - 2-26-2025	$0.0	M	973	Disposed		Common Stock (973)	Direct
2026-02-26	Restricted Stock Units - 2-26-2026	$0.0	A	4928	Acquired		Common Stock (4928)	Direct

Footnotes

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.

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.

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.