Intuitive (ISRG) 4: LOEB GARY bought 2,543 shares of Performance Stock Units -… (Jan 30, 2026)

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-01-28 10b5-1 Pre-arranged Plan: No --- Issuer --- Name: INTUITIVE SURGICAL INC (ISRG) CIK: 0001035267 --- Reporting Owner --- Name: LOEB GARY CIK: 0001561733 Role: Officer (EVP & Chief Legal and Complian) --- Derivative Transactions --- [Transaction #1] Security: Performance Stock Units - 2-26-2024 Date: 2026-01-28 | Code: A (Grant or award) Shares: +2,543 | Price: $0.00 Shares Owned After: 2,543 | Ownership: D (Direct) Footnotes: [F1] Represents performance stock units ("PSUs") initially granted to the Reporting Person on February 26, 2024 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 26, 2027, the third anniversary of the grant date, subject to Reporting Person's continuous service to the Issuer through each such vesting date. [F1] Represents performance stock units ("PSUs") initially granted to the Reporting Person on February 26, 2024 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 26, 2027, the third anniversary of the grant date, subject to Reporting Person's continuous service to the Issuer through each such vesting date. [Transaction #2] Security: Performance Stock Units - 2-28-2023 Date: 2026-01-28 | Code: A (Grant or award) Shares: +2,098 | Price: $0.00 Shares Owned After: 2,098 | Ownership: D (Direct) Footnotes: [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. [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. --- Footnotes (Complete Index) --- F1: Represents performance stock units ("PSUs") initially granted to the Reporting Person on February 26, 2024 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 26, 2027, the third anniversary of the grant date, subject to Reporting Person's continuous service to the Issuer through each such vesting date. 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. --- Signature --- /s/ By: Stephanie Lim-Ignacio For: Loeb, Gary Howard (2026-01-30)