Brosius Mark 4
4 · INTUITIVE SURGICAL INC · Filed May 22, 2026
Research Summary
AI-generated summary of this filing
Intuitive Surgical EVP Mark Brosius Sells 36 Shares
What Happened Mark Brosius, EVP & Chief Manufacturing and Supply Chain (Intuitive Surgical, ISRG), sold a total of 36 shares in two open-market transactions. He sold 18 shares on 2026-05-21 at $446.04 ($8,029) and 18 shares on 2026-05-22 at $439.80 ($7,916), for a combined proceeds of approximately $15,945. These were sales (S) reported on a Form 4.
Key Details
- Transaction dates and prices: 2026-05-21 — 18 shares @ $446.04 ($8,029); 2026-05-22 — 18 shares @ $439.80 ($7,916).
- Total shares sold: 36; total proceeds: ~$15,945.
- Method: Open-market sale(s). Transaction code: S (sale).
- Shares owned after transaction: Not specified in the filing.
- Filing: Form 4 filed 2026-05-22 (Period of Report: 2026-05-21). No late-filing indication in the provided record.
- Footnote: Transactions executed under a Rule 10b5-1 trading plan that expires February 14, 2027.
Context This is a small-dollar insider sale (36 shares, ~ $15.9k). Sales by insiders can be routine or driven by personal liquidity needs; the 10b5-1 plan note indicates these trades were pre-arranged and not necessarily a contemporaneous signal about company prospects.
Insider Transaction Report
Form 4
Brosius Mark
EVP & Chief Mfg and Supply Cha
Transactions
- Sale
Common Stock
[F1]2026-05-21$446.04/sh−18$8,029→ 1,541 total - Sale
Common Stock
[F1]2026-05-22$439.80/sh−18$7,916→ 1,523 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|2026-05-22