GUTHART GARY S sold $4.0M of ISRG (indirect holdings)
GUTHART GARY S sold 10,000 indirectly-held shares of INTUITIVE SURGICAL INC (ISRG) at $400.00 ($4.00M total) on 2026-08-11 under a Rule 10b5-1 trading plan.
How this was made
The 30-second read
Why it matters
The newest disclosed fact is the director’s open-market sale of 10,000 shares at $400/share on 2026-08-11, filed on 2026-08-12, under a pre-arranged 10b5-1 plan.
Market read
Traders may briefly react to insider selling headlines, but 10b5-1 context usually limits fundamental implications.
What to watch
The filing does not indicate reasons for sale, and the indirect ownership structure plus 10b5-1 timing can make the signal less informative than discretionary sales.
Background
The article is an SEC Form 4 insider transaction disclosure for Intuitive Surgical (ISRG).
Ticker impact
Form 4 shows director GUTHART GARY S sold 10,000 ISRG shares on 2026-08-11 for about $4.0M under a 10b5-1 plan.
Low likelihood of a sustained price move solely from this filing; any impact would be sentiment-driven and short-lived.
The transaction is an open-market sale by a director, explicitly tied to a pre-arranged 10b5-1 plan, which typically reduces interpretive weight versus discretionary selling.
Market effects
No clear sector read-through; this is company-specific insider transaction data.
None.
None.
Counterpoint
Even with a 10b5-1 plan, large dollar sales can still be interpreted by some traders as a mild bearish signal, especially if paired with other negative catalysts not mentioned here.
Key entities
- issuerINTUITIVE SURGICAL INC
Company whose shares were sold in the reported Form 4 transaction.
- insiderGUTHART GARY S
Director who executed the open-market sale under a 10b5-1 plan.
