INTUITIVE SURGICAL INC

Rule 10b5-1 Plans

On April 30, 2024, Gary S. Guthart, Ph.D., the Company’s Chief Executive Officer and a member of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Dr. Guthart’s trading plan provides for (i) potential exercises of vested stock options to purchase up to 50,400 shares of the Company’s common stock, (ii) potential sales of shares of the Company’s common stock received upon such exercises to cover exercise costs, estimated tax withholding amounts, and customary brokerage fees as well as potential additional sales of such shares, (iii) the potential donation of 12,500 shares of the Company’s common stock from a trust in which Dr. Guthart is a trustee, and (iv) potential sales of up to 14,880 shares of the Company’s common stock held by trusts in which the beneficiaries are children of Dr. Guthart, until April 30, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.

On May 2, 2024, Amal M. Johnson, amember of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Ms. Johnson’s trading plan provides for the potential exercise and sale of up to 7,578 shares of the Company’s common stock subject to an option until May 2, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.

On May 6, 2024, Jamie E. Samath, the Company’s Chief Financial Officer, adopted a Rule 10b5-1 trading plan. Mr. Samath’s trading plan provides for the potential sale of up to 32,200 shares of the Company’s common stock, including the potential exercise and sale of up to 26,703 shares of the Company’s common stock subject to stock options, until May 6, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.

On May 24, 2024, Henry L. Charlton, the Company’s Chief Commercial and Marketing Officer, adopted a Rule 10b5-1 trading plan. Mr. Charlton’s trading plan provides for the potential sale of up to 40,243 shares of the Company’s common stock, including the potential exercise and sale of up to 19,758 shares of the Company’s common stock subject to stock options, until May 26, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.

On June 10, 2024, Gary H. Loeb, the Company’s General Counsel and Chief Compliance Officer, adopted a Rule 10b5-1 trading plan. Mr. Loeb’s trading plan provides for the potential sale of up to 300 shares of the Company’s common stock until June 10, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.

On June 13, 2024, Mark P. Brosius, the Company’s Senior Vice President and Chief Manufacturing and Supply Chain Officer, adopted a Rule 10b5-1 trading plan. Mr. Brosius’s trading plan provides for the potential sale of up to 7,972 shares of the Company’s common stock, including the potential exercise and sale of up to 4,221 shares of the Company’s common stock subject to stock options, until June 13, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.

On June 14, 2024, Amy L. Ladd, M.D., amember of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Dr. Ladd’s trading plan provides for the potential sale of up to 600 shares of the Company’s common stock, until July 25, 2025. This trading plan was entered into during an open insider trading window and is intended to satisfy the affirmative defense of Rule 10b5-1(c) under the Exchange Act and the Company’s policies regarding transactions in the Company’s securities.