Brosius Mark sold $17K of ISRG
Brosius Mark (EVP & Chief Mfg and Supply Cha) sold 48 shares of INTUITIVE SURGICAL INC (ISRG) at an average of $357.10 ($347.66–$365.79) across 2 trades over 2026-09-10 to 2026-09-11 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The disclosed sale is small and pre‑arranged, offering little new insight for traders.
Market read
Routine insider sell with negligible market impact.
What to watch
The sale was executed under a pre‑arranged 10b5‑1 plan, reducing the likelihood of information‑based motives.
Background
SEC Form 4 filings disclose insider transactions; they are primary sources for insider activity.
Ticker impact
Mark Brosius, EVP & Chief Mfg and Supply Chain at Intuitive Surgical, sold 48 shares for $17,140 via a 10b5‑1 plan.
No material price impact expected.
The sale size is small relative to market cap and disclosed via a routine 10b5‑1 plan.
Market effects
None; the transaction is company‑specific and does not affect the broader medical device sector.
None; limited to US investors tracking insider activity.
Minimal.
Counterpoint
If the insider had a larger stake, the sale could signal concerns, but at this scale it is routine.
Key entities
- CompanyIntuitive Surgical Inc.
Medical device maker (ticker ISRG).
- ExecutiveMark Brosius
EVP & Chief Manufacturing and Supply Chain at Intuitive Surgical.




