Time on boards
- Boards served
- 1
- Current seats
- 1
- Board service
- 4 years
- Director since
- 2023
4 years of board service in total across 1 board, counting each seat separately. Longest: ONEOK Inc., 3 years.
ONEOK Inc.
Director
Shareholder support
Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
ONEOK Inc. May 20, 202698.7%
-
ONEOK Inc. May 22, 202497.7%
-
ONEOK Inc. May 24, 202395.5%
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
| Date | Company | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| May 20, 2026 | ONEOK Inc. | Grant or award | +3,039 | $92.15 | $280,044 |
| May 23, 2025 | ONEOK Inc. | Grant or award | +3,450 | $81.14 | $279,933 |
| May 22, 2024 | ONEOK Inc. | Grant or award | +3,429 | $81.66 | $280,012 |
| May 24, 2023 | ONEOK Inc. | Grant or award | +2,562 | $58.54 | $149,979 |
| May 24, 2023 | ONEOK Inc. | Grant or award | +1,708 | $58.54 | $99,986 |
Questions about Mark W. Helderman
What boards is Mark W. Helderman on?
Mark W. Helderman sits on the board of ONEOK Inc.
How long has Mark W. Helderman served on boards?
Our records show at least 4 years of board service across 1 board, the earliest from 2023.
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