Insider Trading & Ownership of Mark G. Barberio

Location
Williamsville, NY
Summary
The estimated net worth of Mark G. Barberio is at least $4,498,123 dollars as of 23 May 2025. Mark G. Barberio is the Director of Extra Space Storage Inc. and owns shares of Extra Space Storage Inc. (EXR) stock worth about $3.45M. Mark G. Barberio is the Director of GIBRALTAR INDUSTRIES, INC. and owns shares of GIBRALTAR INDUSTRIES, INC. (ROCK) stock worth about $812.5K. Mark G. Barberio is the Director of Endo International plc and owns shares of Endo International plc stock worth about $239.1K.
Signature
/s/ Grace Kunde, Attorney-in-Fact
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Quick Takeaways

  • Mark G. Barberio has 4 issuer positions tracked on this page.
  • Estimated disclosed ownership value: $4,498,123.
  • Recent insider filing activity is available below.

What Changed

  • Largest disclosed position: Extra Space Storage Inc. ($3,446,608).
  • 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 Mark G. Barberio

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
EXR Extra Space Storage Inc. Director $3,446,608 21 May 2025
ROCK GIBRALTAR INDUSTRIES, INC. Director $812,464 30 Apr 2025
ENDPQ Endo International plc Director $239,051 11 Jun 2021
LSI LIFE STORAGE, INC. Director 20 Jul 2023

Insider Transactions Reported by Mark G. Barberio:

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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