Mark W Helderman insider trades
Open-market stock purchases and sales by Mark W Helderman, Director at Oneok Inc /new/, from SEC Form 4 filings since May 22, 2019.
Track record: 100% of 1 scored buy are up 5% or more since purchase, averaging +20%.
Recent trades
| Date | Stock | Trade | Value |
|---|---|---|---|
| May 20, 2026 | OKE Oneok Inc /new/ | Bought (not open market) | $280K |
Companies traded
- OKE Oneok Inc /new/: 2 buys, 1 sale, last May 20, 2026