Intuitive Surgical appoints Aaron Martin to board

Item 5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.

On October 29, 2026, the Board of Directors (the "Board") of Intuitive Surgical, Inc. (the "Company") approved an increase in the size of the Board from ten to eleven members and appointed Aaron Martin to fill the resulting vacancy, effective as of January 1, 2027¹. Mr. Martin will not be appointed to any committees as of the effective date². The Board has determined that Mr. Martin is an independent director under applicable rules of the Nasdaq Stock Market ("Nasdaq") and the U.S. Securities and Exchange Commission.

Pursuant to the Company's standard compensation program for its non-employee directors, Mr. Martin will receive an annual cash retainer of $70,000 for service as a member of the Board³, which amount will be prorated for the portion of the fiscal year remaining following the effective date of his appointment. Mr. Martin will receive, pursuant to the Company's Amended and Restated 2010 Incentive Award Plan, an initial grant of restricted stock units ("RSUs") with a value of $93,333³, which is a prorated amount based on the number of months remaining between the effective date of his appointment and the expected date of the next annual grant (the "Target RSU Value"). The number of RSUs granted will be determined by dividing the Target RSU Value by the 30 trading-day average closing price of the Company's common stock, as reported by Nasdaq, through the last trading day of the month prior to the grant date. These RSUs will vest fully on the earlier of (i) the first anniversary of the grant date or (ii) the next annual meeting of stockholders following the grant date⁴, subject to Mr. Martin's continued service to the Company through such date. In addition, in connection with his appointment, the Company will enter into its standard form of indemnity agreement with Mr. Martin⁵.

Item 7.01. Regulation FD Disclosure.

On November 2, 2026, concurrently with the filing of this Current Report on Form 8-K, the Company issued a press release announcing the appointment of Mr. Martin⁶, which press release is furnished as Exhibit 99.1 to this Current Report on Form 8-K.⁷

The information in this Item 7.01 of this Current Report on Form 8-K, including Exhibit 99.1, shall not be deemed "filed" for purposes of Section 18 of the Securities Exchange Act of 1934⁷, as amended (the "Exchange Act"), or otherwise subject to the liabilities under that section and shall not be deemed to be incorporated by reference into any filing of the Company under the Securities Act of 1933, as amended, or the Exchange Act.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibits.

Exhibit No. Description⁸

99.1 Press release issued by Intuitive Surgical, Inc., dated November 2 , 2026⁸

104 Cover Page Interactive Data File (embedded within the Inline XBRL document)

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

INTUITIVE SURGICAL, INC.

Date: November 2, 2026 By: /s/ JAMIE E. SAMATH

Name: Jamie E. Samath

Title: Executive Vice President, Chief Financial Officer

Intuitive Appoints Aaron Martin to its Board of Directors⁹

SUNNYVALE, Calif., Nov. 02, 2026 (GLOBE NEWSWIRE) – Intuitive (NASDAQ: ISRG), a global technology leader in minimally invasive care and the pioneer of robotic-assisted surgery, today announced the appointment of Aaron Martin, President of Insurance at Humana⁹, to its board of directors, effective January 1, 2027.

"Aaron has spent his career building and scaling healthcare technology at the point where payers, providers, and patients converge – a perspective that will sharpen our board's thinking as we further expand access to minimally invasive care globally," said Intuitive CEO Dave Rosa. "His combination of digital innovation expertise, health system leadership, and large-scale insurance operations experience will deepen our ability to reach more patients with the best care."

In his role at Humana, Martin holds broad responsibility for strategy, growth, operations, and financial performance across Humana's insurance portfolio and serves on the Humana Enterprise Leadership Team, reporting to the CEO. Prior to Humana, Martin spent almost four years at Amazon as Vice President of Healthcare, where he launched Amazon Clinic – the company's first message and video-based telehealth platform – and built Amazon's Health Conditions Programs in partnership with leadi