Insider Trading & Ownership of Julius Genachowski

Location
New York, NY
Summary
The estimated net worth of Julius Genachowski is at least $8,655,088 dollars as of 10 Mar 2026. Julius Genachowski is the Director of Mastercard Inc and owns shares of Mastercard Inc (MA) stock worth about $5.84M. Julius Genachowski is the Director of Sonos Inc and owns shares of Sonos Inc (SONO) stock worth about $2.52M. Julius Genachowski is the Director of MATTEL INC /DE/ and owns shares of MATTEL INC /DE/ (MAT) stock worth about $295K.
Signature
/s/ Rebecca Schuster by power of attorney
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Quick Takeaways

  • Julius Genachowski has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $8,655,088.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Mastercard Inc ($5,835,518).
  • Past-year value change for that position: -$351,959.

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 Julius Genachowski

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MA Mastercard Inc Director $5,835,518 -$351,959 -5.7% 31 Oct 2025
SONO Sonos Inc Director $2,524,577 +$250,205 +11% 06 Mar 2026
MAT MATTEL INC /DE/ Director $294,993 28 May 2025

Insider Transactions Reported by Julius Genachowski:

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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