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Insider Trading & Ownership of Mark J. Rubash

Summary
The estimated net worth of Mark J. Rubash is at least $10,059,881 dollars as of 29 May 2025. Mark J. Rubash is the Director of INTUITIVE SURGICAL INC and owns shares of INTUITIVE SURGICAL INC (ISRG) stock worth about $8.59M. Mark J. Rubash is the Director of iRhythm Technologies, Inc. and owns shares of iRhythm Holdings, Inc. (IRTC) stock worth about $1.47M.
Signature
/s/ Marc Rosenbaum, attorney-in-fact
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Quick Takeaways

  • Mark J. Rubash has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $10,059,881.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: INTUITIVE SURGICAL INC ($8,589,529).
  • Past-year value change for that position: .

Why This Matters

  • This page translates Forms 3/4/5 into a quick ownership context before you inspect each transaction row.
  • You can cross-check role, issuer, and filing chronology directly against the SEC source.

Official SEC Source

Filed on Form 4

Insider ownership context is sourced from SEC Forms 3, 4, and 5.

See Original Filing

Ownership of Mark J. Rubash

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
ISRG INTUITIVE SURGICAL INC Director $8,589,529 25 Apr 2025
IRTC iRhythm Technologies, Inc. Director $1,470,352 28 May 2025

Insider Transactions Reported by Mark J. Rubash:

Sym Company Class Transaction % Value $ * Price $ Shares Shares After Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

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