Helderman Mark W disclosed grant / exercise in ONEOK, Inc.
Helderman Mark W grant / exercise $280.0K of disclosed value in ONEOK, Inc..
Signal
Insider Trade
Action
Grant / Exercise
Capital
$280.0K disclosed value
Why it matters
Insider Form 4 disclosures can surface management and director trading activity. This card is generated from canonical action facts, not request-time scraping.