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Insider Trading & Ownership of Mr. Michael R. Hsing

Location
San Jose, CA
Summary
The estimated net worth of Mr. Michael R. Hsing is at least $1,220,392,816 dollars as of 17 Feb 2026. Mr. Michael R. Hsing is the CEO, Director of MONOLITHIC POWER SYSTEMS INC and owns shares of MONOLITHIC POWER SYSTEMS INC (MPWR) stock worth about $1.22B.
Signature
/s/ Saria Tseng, attorney-in-fact for Mr. Michael R. Hsing
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Quick Takeaways

  • Mr. Michael R. Hsing has 1 issuer position tracked on this page.
  • Estimated disclosed ownership value: $1,220,392,816.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: MONOLITHIC POWER SYSTEMS INC ($1,220,392,816).
  • Past-year value change for that position: -$271,899,379.

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. Michael R. Hsing

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MPWR MONOLITHIC POWER SYSTEMS INC CEO, Director $1,220,392,816 -$271,899,379 -18% 12 Feb 2026

Insider Transactions Reported by Mr. Michael R. Hsing:

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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