On this page
Mark W Helderman
Insider
First SEC filing: May 28, 2025 · Latest: May 28, 2025
Insider at
Insider transactions
0 buys (P)
0 sells (S)
Net: $0
Price change vs current quote, split-adjusted for corporate actions since the filing — not benchmarked, not annualized, not size-weighted
| Date | Ticker | Code | Shares | Price | Value | Owned after | Δ own | A/D | vs now |
|---|---|---|---|---|---|---|---|---|---|
| May 20, 2026 | OKE | A | 3,039 | $92.15 | $280,044 | 38,704 Direct | +8.52% | Acquired | -4.6% (price as of 2026-10-02) |
| May 23, 2025 | OKE | A | 3,450 | $81.14 | $279,933 | 35,665 Direct | +10.71% | Acquired | 8.3% (price as of 2026-10-02) |
| May 22, 2024 | OKE | A | 3,429 | $81.66 | $280,012 | 32,215 Direct | +11.91% | Acquired | 7.6% (price as of 2026-10-02) |
| May 24, 2023 | OKE | A | 2,562 | $58.54 | $149,979 | 27,078 Direct | +10.45% | Acquired | 50.1% (price as of 2026-10-02) |
| May 24, 2023 | OKE | A | 1,708 | $58.54 | $99,986 | 28,786 Direct | +6.31% | Acquired | 50.1% (price as of 2026-10-02) |
| May 25, 2022 | OKE | A | 2,302 | $65.14 | $149,952 | 22,981 Direct | +11.13% | Acquired | 34.9% (price as of 2026-10-02) |
| May 25, 2022 | OKE | A | 1,535 | $65.14 | $99,990 | 24,516 Direct | +6.68% | Acquired | 34.9% (price as of 2026-10-02) |
| March 3, 2022 | OKE | S | 30,000 | $67.26 | $2,017,800 | 20,679 Direct | -59.20% | Disposed | 30.7% (price as of 2026-10-02) |
| May 26, 2021 | OKE | A | 2,570 | $52.51 | $134,951 | 48,869 Direct | +5.55% | Acquired | 67.4% (price as of 2026-10-02) |
| May 26, 2021 | OKE | A | 1,810 | $52.51 | $95,043 | 50,679 Direct | +3.70% | Acquired | 67.4% (price as of 2026-10-02) |
| May 20, 2020 | OKE | A | 3,697 | $36.51 | $134,977 | 43,697 Direct | +9.24% | Acquired | 140.7% (price as of 2026-10-02) |
| May 20, 2020 | OKE | A | 2,602 | $36.51 | $94,999 | 46,299 Direct | +5.95% | Acquired | 140.7% (price as of 2026-10-02) |
| March 18, 2020 | OKE | P | 30,000 | $13.06 | $391,800 | 40,000 Direct | +300.00% | Acquired | 572.9% (price as of 2026-10-02) |
| Dec. 17, 2019 | OKE | P | 6,094 | $73.95 | $450,651 | 10,000 Direct | +156.02% | Acquired | 18.8% (price as of 2026-10-02) |
| May 22, 2019 | OKE | A | 2,017 | $66.91 | $134,957 | 2,785 Direct | +262.63% | Acquired | 31.3% (price as of 2026-10-02) |
| May 22, 2019 | OKE | A | 1,121 | $66.91 | $75,006 | 3,906 Direct | +40.25% | Acquired | 31.3% (price as of 2026-10-02) |
| Feb. 19, 2019 | OKE | A | 274 | $68.23 | $18,695 | 274 Direct | · | Acquired | 28.8% (price as of 2026-10-02) |
| Feb. 19, 2019 | OKE | A | 494 | $68.23 | $33,706 | 768 Direct | +180.29% | Acquired | 28.8% (price as of 2026-10-02) |
P = Open-market purchase · S = Sale · A = Grant/award · M = Option exercise · G = Gift · F = Tax withholding
Insider transactions are not a recommendation; sales are often driven by liquidity or tax reasons.