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  • Insider Ownership

Insider Trading & Ownership of Ellen Costello

Location
New York, NY
Summary
The estimated net worth of Ellen Costello is at least $12,485,598 dollars as of 06 Jan 2026. Ellen Costello is the Director of CITIGROUP INC and owns shares of CITIGROUP INC (C) stock worth about $8.61M. Ellen Costello is the Director of DIEBOLD NIXDORF, Inc and owns shares of DIEBOLD NIXDORF, Inc (DBD) stock worth about $3.88M.
Signature
Ellen Costello by Joseph B. Wollard, Attorney-in-Fact
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Quick Takeaways

  • Ellen Costello has 2 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $12,485,598.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: CITIGROUP INC ($8,605,833).
  • 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 Ellen Costello

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
C, C-PN CITIGROUP INC Director $8,605,833 02 Jan 2026
DBD DIEBOLD NIXDORF, Inc Director $3,879,765 17 May 2022

Insider Transactions Reported by Ellen Costello:

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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