Skip to contentHELDERMAN MARK W — ONEOK INC /NEW/ insider: 16 transactions · InsiderLensInsider trading activity of HELDERMAN MARK W
- Transactions on record
- 16
- since Feb 20, 2019
- Open-market buys
- 2
- $842.5K
- Open-market sells
- 1
- $2M
- Companies traded
- 1
- last filing May 22, 2026
Figures computed from official regulatory filings — methodology.
Companies where HELDERMAN MARK W has traded
Track record of HELDERMAN MARK W
Insufficient history for a statistical track record (fewer than 5 open-market buys).
Transaction history of HELDERMAN MARK W
Co-insiders of HELDERMAN MARK W
This page republishes public regulatory disclosures. Concerned by this data? Exercise your right to object →
DAY JAMES CONEOK INC /NEW/
| Company | Filed | Type | Qty | Price | Value · USD | Src |
|---|
| May 22, 2026 | Award | 3,039 | 92.15 USD | $280K | SEC |
| May 28, 2025 | Award | 3,450 | 81.14 USD | $279.9K | SEC |
| May 24, 2024 | Award | 3,429 | 81.66 USD | $280K | SEC |
| May 26, 2023 | Award | 2,562 | 58.54 USD | $150K | SEC |
| May 26, 2023 | Award | 1,708 | 58.54 USD | $100K | SEC |
| May 27, 2022 | Award | 1,535 | 65.14 USD | $100K | SEC |
| May 27, 2022 | Award | 2,302 | 65.14 USD | $150K | SEC |
| Mar 4, 2022 | Sell | -30,000 | 67.27 USD | $2M | SEC |
| May 28, 2021 | Award | 1,810 | 52.51 USD | $95K | SEC |
| May 28, 2021 | Award | 2,570 | 52.51 USD | $135K | SEC |
| Mar 19, 2020 | Buy | 30,000 | 13.06 USD | $391.8K | SEC |
| Dec 17, 2019 | Buy | 6,094 | 73.95 USD | $450.7K | SEC |
| May 24, 2019 | Award | 2,017 | 66.91 USD | $135K | SEC |
| May 24, 2019 | Award | 1,121 | 66.91 USD | $75K | SEC |
| Feb 20, 2019 | Award | 274 | 68.23 USD | $18.7K | SEC |
| Feb 20, 2019 | Award | 494 | 68.23 USD | $33.7K | SEC |