Mark Brosius, EVP and Chief Manufacturing and Supply Chain Officer of Intuitive Surgical Inc, filed a Form 4 on September 11, 2026, disclosing two sales of common stock on September 10 and September 11, 2026, both executed under a pre-established Rule 10b5-1 trading plan.

Key Highlights

  • First sale: 23 shares of common stock disposed of on September 10, 2026, at a price of $347.66 per share.
  • Second sale: 25 shares of common stock disposed of on September 11, 2026, at a price of $365.79 per share.
  • Remaining ownership: Following the two transactions, Brosius directly held 764 shares of common stock.
  • Trading plan: Both sales were executed pursuant to a Rule 10b5-1-compliant trading plan set to expire on February 14, 2027.
  • Reporting person role: Mark Brosius is identified in the filing as EVP and Chief Manufacturing and Supply Chain Officer of Intuitive Surgical Inc (NASDAQ:ISRG).

Mark Brosius Discloses Two Common Stock Sales at Intuitive Surgical

According to the Form 4 filed with the SEC, Mark Brosius disposed of a total of 48 shares of Intuitive Surgical Inc common stock across two trading sessions. On September 10, 2026, he sold 23 shares at $347.66 per share, reducing his directly held position to 789 shares. The following day, September 11, 2026, he sold an additional 25 shares at $365.79 per share, bringing his directly held total to 764 shares.

The filing indicates that both transactions were carried out under a trading plan that complies with SEC Rule 10b5-1(c), with the plan noted as expiring on February 14, 2027. The Form 4 was signed by Stephanie Lim-Ignacio on behalf of Brosius on September 11, 2026. No derivative securities transactions were reported in the filing. All reported ownership is held directly, with no indirect beneficial ownership disclosed.

What Was Disclosed

The filing disclosed two open-market sales of Intuitive Surgical common stock by EVP Mark Brosius, totaling 48 shares sold at prices of $347.66 and $365.79, executed under a pre-established 10b5-1 trading plan. His remaining direct beneficial ownership stands at 764 shares.