INTUITIVE SURGICAL INC (ISRG) · Insider Trading (Form 4) SEC Filing

=== SEC Form 4 — Statement of Changes in Beneficial Ownership === Document Type: 4 Period of Report: 2026-05-18 10b5-1 Pre-arranged Plan: Yes --- Issuer --- Name: INTUITIVE SURGICAL INC (ISRG) CIK: 0001035267 --- Reporting Owner --- Name: Brosius Mark CIK: 0002010300 Role: Officer (EVP & Chief Mfg and Supply Cha) --- Non-Derivative Transactions --- [Transaction #1] Security: Common Stock Date: 2026-05-18 | Code: S (Open market sale) Shares: -18 | Price: $422.47 Total Value: $7,604.46 Shares Owned After: 1,595 | Ownership: D (Direct) Footnotes: [F1] The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027. [Transaction #2] Security: Common Stock Date: 2026-05-19 | Code: S (Open market sale) Shares: -18 | Price: $440.70 Total Value: $7,932.60 Shares Owned After: 1,577 | Ownership: D (Direct) Footnotes: [F1] The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027. [Transaction #3] Security: Common Stock Date: 2026-05-20 | Code: S (Open market sale) Shares: -18 | Price: $440.38 Total Value: $7,926.84 Shares Owned After: 1,559 | Ownership: D (Direct) Footnotes: [F1] The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027. --- Footnotes (Complete Index) --- F1: The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027. --- Signature --- /s/ By: Stephanie Lim-Ignacio For: Brosius, Mark (2026-05-20)