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  • Insider Ownership

Insider Trading & Ownership of Jonathan A. Seiffer

Location
Los Angeles, CA
Summary
The estimated net worth of Jonathan A. Seiffer is at least $1,857,147,612 dollars as of 18 Mar 2025. Jonathan A. Seiffer is the Director, 10%+ Owner of Mister Car Wash, Inc. and owns shares of Mister Car Wash, Inc. (MCW) stock worth about $1.83B. Jonathan A. Seiffer is the Former Director and 10% Owner of AerSale Corp and owns shares of AerSale Corp (ASLE) stock worth about $21.99M. Jonathan A. Seiffer is the Director of SIGNET JEWELERS LTD and owns shares of SIGNET JEWELERS LTD (SIG) stock worth about $4.73M.
Signature
/s/ Andrew C. Goldberg, Attorney-in-Fact
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Quick Takeaways

  • Jonathan A. Seiffer has 3 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $1,857,147,612.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Mister Car Wash, Inc. ($1,830,429,210).
  • 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 Jonathan A. Seiffer

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
MCW Mister Car Wash, Inc. Director, 10%+ Owner $1,830,429,210 26 Aug 2021
ASLE AerSale Corp Former Director and 10% Owner $21,988,750 14 Mar 2025
SIG SIGNET JEWELERS LTD Director $4,729,652 21 Oct 2024

Insider Transactions Reported by Jonathan A. Seiffer:

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.