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  • Insider Ownership

Insider Trading & Ownership of Gregg Piontek

Location
The Woodlands, TX
Summary
The estimated net worth of Gregg Piontek is at least $14,349,326 dollars as of 05 Mar 2026. Gregg Piontek is the Senior Vice President and CFO of NPK International Inc. and owns shares of NPK International Inc. (NPKI) stock worth about $14.35M.
Signature
By: M. Celeste Fruge For: Gregg S. Piontek
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Ownership of Gregg Piontek

Symbol Company Relationship Holdings Value Past Year Net Change Change % Report Period
NPKI NPK International Inc. Senior Vice President and CFO $14,349,326 -$1,528,056 -9.6% 04 Mar 2026

Insider Transactions Reported by Gregg Piontek:

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.