Insider trade

Director sold ~$4M of ISRG shares in the open market

Traded Aug 11, 2026 · Filed Aug 12, 2026

~$4M
Reported value · 10K sh @ $400.00: 1.25M
Holds after · shares reported: 0.0%
stock since the trade · S&P 500 -0.8%, $401.23 → $401.24 on Oct 1

Why it stands out

A board member of Intuitive Surgical sold $4M of Intuitive Surgical shares. It was planned long ago, so it says very little.

Written from the filing's own figures. OQRO describes what was reported and never tells you what to buy or sell

View the official recordSEC Form 4 — Statement of Changes in Beneficial Ownership

All the details

Dates, kept separate

Transaction date: Aug 11, 2026
Reporting period: Not applicable
Filed with the SEC: Aug 12, 2026

DirectorIndirect holding$1M+Pre-arranged plan referenced

Context

Classification

open market sale

Code S — open-market or private sale

Absolute commitment

~$4,000,000

Shares × reported transaction price

Timing vs results

26 days after results of Jul 16, 2026

Results dates are the company's own 8-K (Item 2.02). Many companies only let insiders trade in a window after results

Price at the time

Closed at $401.23 on Aug 11, 2026, 21% above its 52-week low and 32% below its high, after a 1% drop over the previous 30 trading days

52-week range $332.02 (Jul 23, 2026) to $592.85 (Jan 6, 2026), 27% of the way up, from 251 adjusted closes. 30 trading days earlier: $405.97 on Jun 29, 2026. Describes the past only, not a forecast

Planned / mechanical clue

Footnote references a pre-arranged trading plan (Rule 10b5-1)

Only flagged when a footnote says so; never inferred

After it was reported

After	Stock	S&P 500	Difference
7 days	-6.7%	-2.0%	-4.7%
30 days	-5.8%	-2.2%	-3.6%

Past results only. Not a forecast.

Source receipt

Record ID: 0001280628-26-000014
Filed / recorded: Aug 12, 2026, 5:22 PM UTC
Added to OQRO: Oct 2, 2026, 12:28 PM UTC
Parser: form4-xml-v1
Data quality: Verified: identifiers matched exactly
Issuer: INTUITIVE SURGICAL INC
Issuer CIK: 1035267
Ticker: ISRG
Reporting person: Gary S Guthart
Relationship: Director
Security: Common Stock
Table: Non-derivative (Table I)
Transaction date: Aug 11, 2026
Transaction code: S
Shares / units: 10,000
Price per share: $400.00
Acquired / disposed: Disposed (D)
Shares owned after: 1,245,679
Ownership form: Indirect — by Trust
Amendment: No

Footnotes from the filing

The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on June 15, 2027.

Around the same time

Officer sold ~$8K of Intuitive Surgical

Scheduled in advance3w ago

Officer sold ~$9.1K of Intuitive Surgical