Mark Brosius, EVP and Chief Manufacturing and Supply Chain Officer at Intuitive Surgical Inc, filed a Form 4 on October 28, 2026, disclosing the sale of Common Stock across three consecutive trading days under a Rule 10b5-1 trading plan.

Key Highlights

  • Three sales reported: 61 shares were sold on each of October 26, 27, and 28, 2026, totaling 183 shares disposed of across the three transactions.
  • Sale prices: Shares were sold at $451.75 on October 26, $451.63 on October 27, and $441.60 on October 28, according to the filing.
  • Remaining ownership: Following the reported transactions, Brosius directly owned 581 shares of Common Stock, the filing disclosed.
  • Rule 10b5-1 plan: All three sales were made pursuant to a trading plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027.
  • Reporting person's role: Mark Brosius is identified in the filing as EVP and Chief Manufacturing and Supply Chain Officer of Intuitive Surgical Inc (NASDAQ:ISRG).

Brosius Transaction Details: Three-Day Common Stock Sales at Intuitive Surgical

According to the Form 4 filed on October 28, 2026, Mark Brosius disposed of 61 shares of Intuitive Surgical Inc Common Stock on each of October 26, 27, and 28, 2026. The per-share sale prices were $451.75, $451.63, and $441.60, respectively, as stated in the filing. All transactions carried the "S" transaction code, indicating open-market sales.

The filing indicates that all three transactions took place in accordance with a trading plan that complies with SEC Rule 10b5-1 and that expires on February 14, 2027. The box on the form confirming a Rule 10b5-1(c) plan was checked. Prior to the first reported sale on October 26, 2026, Brosius held 764 shares directly (703 remaining after October 26, 642 after October 27, and 581 after October 28), based on the sequencing disclosed in the filing.

No derivative securities transactions were reported in Table II of the filing. The Form 4 was signed by Stephanie Lim-Ignacio on behalf of Brosius, Mark, and filed on October 28, 2026. The filing was made by one reporting person, and no amendment date was indicated, suggesting this is an original filing.

What Was Disclosed

Mark Brosius, EVP and Chief Manufacturing and Supply Chain Officer of Intuitive Surgical Inc (NASDAQ:ISRG), disclosed the sale of 61 shares of Common Stock on each of three consecutive days at prices ranging from $441.60 to $451.75, reducing his direct ownership to 581 shares, all under a Rule 10b5-1 plan expiring February 14, 2027.