Insider Trading & Ownership of Mr. Robert W. Dean II

Location
Palo Alto, CA
Summary
The estimated net worth of Mr. Robert W. Dean II is at least $9,723,430 dollars as of 09 Mar 2026. Mr. Robert W. Dean II is the Interim CFO of MONOLITHIC POWER SYSTEMS INC and owns shares of MONOLITHIC POWER SYSTEMS INC (MPWR) stock worth about $9.72M.
Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Robert W. Dean II
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Follow Filing Activity

Follow Mr. Robert W. Dean II and return when a new Insider Trading filing changes the record on this page.

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Quick Takeaways

  • Mr. Robert W. Dean II has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $9,723,430.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: MONOLITHIC POWER SYSTEMS INC ($9,723,430).
  • 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.

Source Evidence

Filed on Form 4

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

See Original Filing

Ownership of Mr. Robert W. Dean II

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MPWR MONOLITHIC POWER SYSTEMS INC Interim CFO $9,723,430 27 Feb 2026

Insider Transactions Reported by Mr. Robert W. Dean II:

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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