HELDERMAN MARK W — SEC Form 4 Insider Trading Activity

Summary

Updated Jul 16, 2026

HELDERMAN MARK W has filed 1 SEC Form 4 filing across 1 company in the last 90 days.

Recent Transactions

DateTickerCompanyCodeSharesPriceValue
2026-05-22OKEONEOK INC /NEW/A — Grant or award3.0K$92.15$280K
2025-05-23OKEONEOK INC /NEW/A — Grant or award3.5K$81.14$280K

Companies — Last 90 Days

Frequently Asked Questions

Who is HELDERMAN MARK W?

HELDERMAN MARK W is a corporate insider — currently tracked as Director of ONEOK INC /NEW/ (OKE). InsiderAlpha tracks every SEC Form 4 filing in real time.

How many SEC Form 4 filings has HELDERMAN MARK W submitted recently?

1 primary Form 4 filings in the last 90 days, covering 1 company.

Where can I see all of HELDERMAN MARK W's SEC filings?

All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.

Learn More

Open the live HELDERMAN MARK W profile on InsiderAlpha for real-time alerts, AI-scored trade ideas, and full transaction history.