Brosius Mark sold $91K of ISRG
Brosius Mark (EVP & Chief Mfg and Supply Cha) sold 231 shares of INTUITIVE SURGICAL INC (ISRG) at an average of $392.98 ($390.67–$394.26) across 3 trades over 2026-08-17 to 2026-08-19 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale is modest and pre‑planned, offering little new insight for traders.
Market read
Limited relevance; the transaction is routine and unlikely to affect price.
What to watch
Potential upcoming earnings could give context to the sale.
Background
Form 4 filings disclose insider transactions; a 10b5‑1 plan indicates pre‑arranged sales.
Ticker impact
EVP Mark Brosius sold 231 shares for $90.8K via a 10b5‑1 plan, reducing his stake to 1,035 shares.
no material impact
Sale size is small relative to market cap and disclosed via a pre‑arranged plan.
Market effects
None; surgical robotics sector unchanged.
None; US market only.
Low
Counterpoint
Even small insider sells can signal concerns, but no evidence here.
Key entities
- InsiderMark Brosius
EVP & Chief Manufacturing and Supply Chain at Intuitive Surgical
- CompanyIntuitive Surgical Inc.
Developer of the da Vinci surgical system





