INTUITIVE SURGICAL INC

Rule 10b5-1 Plans

On January 27, 2026, 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 619 shares of the Company’s common stock until January 29, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On January 27, 2026, Keith R. Leonard Jr., amember of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Mr. Leonard’s trading plan provides for the potential exercise and sale of up to 4,656 shares of the Company’s common stock subject to stock options until January 27, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On January 28, 2026, Jami Dover Nachtsheim, amember of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Ms. Nachtsheim’s trading plan provides for the potential exercise and sale of up to 2,235 shares of the Company’s common stock subject to stock options until March 15, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On January 29, 2026, Gary H. Loeb, the Company’s Executive Vice President and Chief Legal and Compliance Officer, adopted a Rule 10b5-1 trading plan. Mr. Loeb’s trading plan provides for the potential sale of up to 2,800 shares of the Company’s common stock until January 29, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On January 30, 2026, 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 12,472 shares of the Company’s common stock subject to stock options until January 30, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On February 5, 2026, Craig H. Barratt, Ph.D., amember of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Dr. Barratt’s trading plan provides for the potential exercise and sale of up to 4,635 shares of the Company’s common stock subject to stock options until March 15, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On March 12, 2026, David J. Rosa, the Company’s Chief Executive Officer and a member of the Company’s Board of Directors, adopted a Rule 10b5-1 trading plan. Mr. Rosa’s trading plan provides for the potential exercise and sale of up to 45,750 shares of the Company’s common stock subject to stock options until August 15, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.

On March 13, 2026, Jamie E. Samath, the Company’s Executive Vice President, Chief Financial Officer and Enterprise Technology Leader, adopted a Rule 10b5-1 trading plan. Mr. Samath’s trading plan provides for the potential sale of up to 23,171 shares of the Company’s common stock, including the potential exercise and sale of up to 7,805 shares of the Company’s common stock subject to stock options, until May 20, 2027. 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 Securities Exchange Act of 1934, as amended, and the Company’s policies regarding transactions in the Company’s securities.