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  • Insider Ownership

Insider Trading & Ownership of Kathleen M. Mazzarella

Location
Clayton, MO
Summary
The estimated net worth of Kathleen M. Mazzarella is at least $12,382,131 dollars as of 12 Jan 2026. Kathleen M. Mazzarella is the Chairman, President & CEO, Director of GRAYBAR ELECTRIC CO INC and owns shares of GRAYBAR ELECTRIC CO INC stock worth about $5.77M. Kathleen M. Mazzarella is the Director of WASTE MANAGEMENT INC and owns shares of WASTE MANAGEMENT INC (WM) stock worth about $3.86M. Kathleen M. Mazzarella is the Director of Cigna Group and owns shares of Cigna Group (CI) stock worth about $2.01M. Kathleen M. Mazzarella is the Director of Core & Main, Inc. and owns shares of Core & Main, Inc. (CNM) stock worth about $747.3K.
Signature
/s/ Kathleen M. Mazzarella
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Ownership of Kathleen M. Mazzarella

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
GRAYBAR GRAYBAR ELECTRIC CO INC Chairman, President & CEO, Director $5,767,000 09 Jan 2026
WM WASTE MANAGEMENT INC Director $3,857,922 15 Jul 2025
CI Cigna Group Director $2,009,861 23 Apr 2025
CNM Core & Main, Inc. Director $747,348 24 Jun 2025

Insider Transactions Reported by Kathleen M. Mazzarella:

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.