Intuitive Surgical EVP Mark Brosius Sells $82K in Common Stock Under Rule 10b5-1 Plan
INTUITIVE SURGICAL INC
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Filing Summary
# Insider Trade Alert: INTUITIVE SURGICAL INC ($ISRG)
**Insider:** Brosius Mark (EVP & Chief Mfg and Supply Cha)
**Filing Date:** October 28, 2026
**Transaction Dates:** October 26–28, 2026
### Transaction Summary
* **Type:** Sale (Open Market via Rule 10b5-1 Plan)
* **Shares Transacted:** 183
* **Average Price:** ~$448.33
* **Total Transaction Value:** $82,043.78
* **Remaining Ownership:** 581 shares (Direct)
### Significance
* **Impact:** Low
* Routine, scheduled sales conducted under a Rule 10b5-1 trading plan expiring February 14, 2027.
Comprehensive Analysis
Executive Summary
On October 28, 2026, Intuitive Surgical Inc ($ISRG) reported insider dispositions by Mark Brosius, Executive Vice President & Chief Manufacturing and Supply Chain Officer. Over three consecutive trading days (October 26–28, 2026), Mr. Brosius sold an aggregate of 183 shares of Common Stock at an average price of approximately $448.33, realizing total proceeds of $82,043.78.
Transaction Breakdown
- October 26, 2026: Sold 61 shares at $451.75 per share ($27,556.75)
- October 27, 2026: Sold 61 shares at $451.63 per share ($27,549.43)
- October 28, 2026: Sold 61 shares at $441.60 per share ($26,937.60)
- Post-Transaction Holdings: 581 shares held directly.
Context and Analysis
- Rule 10b5-1 Plan: The transactions were executed pursuant to a pre-arranged Rule 10b5-1 trading plan scheduled to expire on February 14, 2027. This indicates the sales were predetermined and not driven by recent material non-public information.
- Materiality: With a total volume of 183 shares and a dollar value of ~$82K, the trade represents a negligible fraction of the company's daily trading liquidity and market capitalization.
- Significance Rating: Low. The scheduled execution structure and modest size reflect standard personal portfolio management.
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Important Disclaimer
This content is drawn from public SEC filings and may contain errors. It is for informational purposes only and is not investment, legal, or tax advice.
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