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MARK W HELDERMAN Insider Profile

4 Followers

MARK W HELDERMAN, Director at Oneok, holds 38.70K shares in Oneok (Ticker: OKE).

MARK W HELDERMAN's Trading History

OKEOneok		May 22, 2026DirectorUninformative Buy280.04K$3.76M
OKE
Insider Shares: 38.70K (<0.01%)
DateTransactionAmountNo. of SharesPrice per ShareProfitLink to Report
May 22, 2026Uninformative Buy$280.04K3,039$92.15―
May 28, 2025Uninformative Buy$279.93K3,450$81.14―
May 24, 2024Uninformative Buy$280.01K3,429$81.66―
May 26, 2023Uninformative Buy$249.97K4,270$58.54―
May 27, 2022Uninformative Buy$249.94K3,837$65.14―
See All Insider Trading from Today

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MARK W HELDERMAN insider profile FAQ

What is the percentage of profitable transactions made by MARK W HELDERMAN?
The percentage of profitable transactions made by MARK W HELDERMAN is 33%.
What is the average return per transaction made by MARK W HELDERMAN?
The average return per transaction made by MARK W HELDERMAN is 41.00%.
What stocks does MARK W HELDERMAN hold?
MARK W HELDERMAN holds: OKE stocks.
What was MARK W HELDERMAN’s latest transaction?
MARK W HELDERMAN’s latest transaction was an Uninformative Buy of $280.04K.
What was MARK W HELDERMAN's most profitable transaction?
MARK W HELDERMAN’s most profitable transaction was an Informative Buy of OKE stock on March 19, 2020. The return on the trade was 166.30%.
What is MARK W HELDERMAN's role in Oneok?
MARK W HELDERMAN's role in Oneok is Director.
How can I follow the stock ratings of top corporate insiders?
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