Insider Trading & Ownership of Trevor J. Hastings

Location: Bismarck, ND
Summary: The estimated net worth of Trevor J. Hastings is at least $5,483,646 dollars as of 05 Mar 2026. Trevor J. Hastings is the Vice President & COO of Knife River Corp and owns shares of Knife River Corp (KNF) stock worth about $3.93M. Trevor J. Hastings is the President & CEO-WBI Holdings of MDU RESOURCES GROUP INC and owns shares of MDU RESOURCES GROUP INC (MDU) stock worth about $1.55M.
Signature: /s/ Karl A. Liepitz, Power of Attorney
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Ownership of Trevor J. Hastings

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
KNF	Knife River Corp	Vice President & COO	$3,930,454			04 Mar 2026
MDU	MDU RESOURCES GROUP INC	President & CEO-WBI Holdings	$1,553,192			31 May 2023

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.