Brosius Mark 4
4 · INTUITIVE SURGICAL INC · Filed May 20, 2026
Research Summary
AI-generated summary of this filing
Intuitive Surgical (ISRG) EVP Mark Brosius Sells 54 Shares
What Happened
- Mark Brosius, EVP & Chief Manufacturing and Supply Chain Officer at Intuitive Surgical (ISRG), sold a total of 54 shares in three open-market transactions between May 18–20, 2026. The sales were for 18 shares each at $422.47, $440.70, and $440.38, totaling about $23,464. These were sales (not purchases), executed under a pre-established trading plan.
Key Details
- Transaction dates and prices:
- 2026-05-18: Sold 18 shares @ $422.47 = $7,604
- 2026-05-19: Sold 18 shares @ $440.70 = $7,933
- 2026-05-20: Sold 18 shares @ $440.38 = $7,927
- Shares owned after transaction: Not disclosed in the provided filing excerpt.
- Footnote: Transactions were made under a Rule 10b5-1 trading plan that expires on February 14, 2027.
- Timeliness: Form 4 was filed on 2026-05-20 for transactions from 2026-05-18 to 2026-05-20 (reported as timely).
Context
- These were routine sales under a 10b5-1 plan (pre-arranged automatic trading). Such sales are generally considered planned dispositions rather than an immediate signal of insider sentiment; purchases are typically more informative for bullish signals.
Insider Transaction Report
Form 4
Brosius Mark
EVP & Chief Mfg and Supply Cha
Transactions
- Sale
Common Stock
[F1]2026-05-18$422.47/sh−18$7,604→ 1,595 total - Sale
Common Stock
[F1]2026-05-19$440.70/sh−18$7,933→ 1,577 total - Sale
Common Stock
[F1]2026-05-20$440.38/sh−18$7,927→ 1,559 total
Footnotes (1)
- [F1]The transaction took place in accordance with a Trading Plan that complies with SEC Rule 10b5-1 and expires on February 14, 2027.
Signature
By: Stephanie Lim-Ignacio For: Brosius, Mark|2026-05-20