The filings are routine insider diversification under a 10b5-1 plan (Guthart) and a small option exercise (Barratt). No material negative signal — monitor for any subsequent Form 4 filings to confirm actual sales, and watch for any change in pattern (e.g., CEO accelerating sales ahead of earnings).
Price Chart
Executive Summary
Two directors of Intuitive Surgical filed Form 144 notices on October 23, 2026, signaling intent to sell shares. CEO Gary Guthart (via the Guthart Family Trust) plans to sell 27,139 shares worth ~$12.0M, and director Craig Barratt plans to sell 1,150 shares worth ~$510K. Guthart's sale is substantial in absolute dollar terms and follows vesting of RSUs/PSUs from 2022-2025, while Barratt's is a small routine exercise-and-sell. The filings are routine insider diversification and do not indicate a material change in company outlook.
Key Facts
- CEO Gary Guthart (via Guthart Family Trust) filed to sell 27,139 shares of ISRG common stock, with an estimated market value of $12,045,645.15 based on a price of $443.86/share.
- Director Craig H. Barratt filed to sell 1,150 shares of ISRG common stock, with an estimated market value of $510,427.50 based on a price of $443.85/share.
- Both Form 144s were filed on October 23, 2026, and indicate intent to sell on the same date on NASDAQ.
- Guthart's shares were acquired upon vesting of restricted stock units and performance stock units from February 2022 through February 2025.
- Barratt's shares were acquired via exercise of stock options on October 23, 2026, for cash.
- Guthart's sale is noted as being conducted under a Rule 10b5-1 trading plan.
- The total proposed sale value across both insiders is approximately $12.56 million.
Financial Impact
Total proposed insider sales of ~$12.56M, representing less than 0.01% of ISRG's ~$140B market cap. Guthart's $12.0M portion is notable in absolute terms but routine for a CEO of a mega-cap company.
Risk Factors
- CEO selling $12M in a single filing could be misinterpreted by the market as a lack of confidence, though the 10b5-1 plan mitigates this.
- If the company's next earnings report disappoints, the timing of these sales may attract scrutiny.
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 144 Filing (ISRG) — Batch item 1 | 0001950047-26-010386 |
| Document: 0001950047-26-010386-index.html | 0001950047-26-010385 |
| Document: 0001950047-26-010386.txt | 0001950047-26-010386 |
| 144 Filing (ISRG) — Batch item 4 | 0001950047-26-010385 |
| Document: 0001950047-26-010385-index.html | 0001950047-26-010386 |
| Document: 0001950047-26-010385.txt | 0001950047-26-010386 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 26, 2026 today | Insider Cluster | $450.30 | awaiting T+1 | — | $451.63 (+0.30%) |
Oct 23, 2026 3d ago | 144 | $451.84 | awaiting T+1 | — | $451.63 (−0.05%) |
Oct 23, 2026 3d ago | 144 | $451.84 | awaiting T+1 | — | $451.63 (−0.05%) |
Oct 20, 2026 6d ago | 8-K | $428.12 $443.85 | ▲ +3.67% | ▲ +4.86% | $451.63 (+5.49%) |
Oct 20, 2026 6d ago | Press Release | $428.12 $443.85 | ▲ +3.67% | ▲ +4.86% | $451.63 (+5.49%) |
Oct 15, 2026 11d ago | Institutional Cluster | $427.86 $426.70 | ▼ −0.27% | ▲ +0.84% | $451.63 (+5.56%) |
Oct 7, 2026 19d ago | ANALYST-UPGRADE | $414.52 $415.41 | ▲ +0.21% | ▲ +0.64% | $451.63 (+8.95%) |
Sep 29, 2026 28d ago | Court Ruling | $406.63 $401.24 | ▼ −1.33% | ▼ −1.50% | $451.63 (+11.07%) |
Sep 16, 2026 5w ago | Insider Cluster | $382.29 $383.54 | ▲ +0.33% | ▼ −0.81% | $451.63 (+18.14%) |
Aug 19, 2026 9w ago | Insider Cluster | $374.48 $378.81 | ▲ +1.16% | ▲ +0.75% | $451.63 (+20.60%) |
US Market Status
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