Insider Trading & Ownership of Ronald J. Tanski

Location: Williamsville, NY
Summary: The estimated net worth of Ronald J. Tanski is at least $34.2M dollars as of November 12, 2025. Ronald J. Tanski is the Director of NATIONAL FUEL GAS CO and owns shares of NATIONAL FUEL GAS CO (NFG) stock worth about $32.9M. Ronald J. Tanski is the Director of CMS ENERGY CORP and owns shares of CMS ENERGY CORP (CMS) stock worth about $1.29M.
Signature: J. P. Baetzhold, Attorney in Fact
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Ownership of Ronald J. Tanski

Symbol	Company	Relationship	Holdings Value	Past Year Net Change	Change %	Report Period
NFG	NATIONAL FUEL GAS CO	Director	$32.9M			Nov 10, 2025
CMS, CMSA	CMS ENERGY CORP	Director	$1.29M			May 2, 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.