The estimated net worth of Mark W. Helderman is at least $2.89M dollars as of May 28, 2025. Mark W. Helderman is the Director of ONEOK INC /NEW/ and owns shares of ONEOK INC /NEW/ (OKE) stock worth about $2.89M.
Signature
/s/ Patrick W. Cipolla, Attorney-in-Fact for Mark W. Helderman
Insider Transactions Reported by Mark W. Helderman:
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* An asterisk sign (*) next to the price indicates that the price is likely invalid.
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