MarketPeel
Insider Trading Intelligence
Pricing
…
Mark W. Helderman
Wed, May 20, 2026
May 20
bought
$280.04k
of
OKE
3,039
shares @ $92.15
Increased holdings by
+8.50%
3rd largest trade (out of 9)
Cluster Buy
Trade made by a director
Part of a cluster of 5 transactions by 4 insiders
Unscheduled trade
Price 18% above 200-day moving average
OKE
ONEOK INC /NEW/
Energy
Oil & Gas Midstream
1D
0.00%
1W
+0.81%
1M
+5.09%
3M
+7.85%
6M
—
1Y
—
Recent insider activity at OKE
Nov 3
Brian L. Derksen
Bought
$165.00k
Sep 5
Pattye L. Moore
Sold
$310.90k
Mar 1
Wayne Thomas Smith
Bought
$203.17k
Dec 22
Eduardo A. Rodriguez
Sold
$56.23k
Jun 29
Pierce Norton
Bought
$1.50m
Jun 28
Brian L. Derksen
Bought
$291.99k
Jun 17
Pierce Norton
Bought
$498.46k
Mar 3
Mark W. Helderman
Sold
$2.02m
Full OKE profile →
Mark W. Helderman’s trading history →
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