Insider Trading & Ownership of Dirk A. Kempthorne

Location: Philadelphia, PA
Summary: The estimated net worth of Dirk A. Kempthorne is at least $1,313,898 dollars as of 16 Jan 2026. Dirk A. Kempthorne is the Director of FMC CORP and owns shares of FMC CORP (FMC) stock worth about $786.7K. Dirk A. Kempthorne is the Director of ROBERT HALF INC. and owns shares of ROBERT HALF INC. (RHI) stock worth about $338.1K. Dirk A. Kempthorne is the Director of OLYMPIC STEEL INC and owns shares of OLYMPIC STEEL INC (ZEUS) stock worth about $189K.
Signature: /s/ Sara Ponessa, as attorney in fact for Dirk A. Kempthorne
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Ownership of Dirk A. Kempthorne

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
FMC	FMC CORP	Director	$786,703			15 Jan 2026
RHI	ROBERT HALF INC.	Director	$338,147	-$187,812	-36%	28 Oct 2025
ZEUS	OLYMPIC STEEL INC	Director	$189,048			11 Mar 2025

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.