Insider Transactions
Showing insider trading activity for HELDERMAN MARK W.
Insider Trading Activity Chart
Visualizing insider transactions on stock price candles
Transaction Type
Insider Role
Min Transaction Value
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Recent Filings
| Symbol | Name | Filed | Transaction | Type | Role | Shares |
|---|---|---|---|---|---|---|
| OKE | HELDERMAN MARK W | 22 May 2026 | 20 May 2026 | A-Award | director | 3,039 |
| OKE | HELDERMAN MARK W | 28 May 2025 | 23 May 2025 | A-Award | director | 3,450 |
| OKE | HELDERMAN MARK W | 24 May 2024 | 22 May 2024 | A-Award | director | 3,429 |
| OKE | HELDERMAN MARK W | 26 May 2023 | 24 May 2023 | A-Award | director | 1,708 |
| OKE | HELDERMAN MARK W | 26 May 2023 | 24 May 2023 | A-Award | director | 2,562 |
| OKE | HELDERMAN MARK W | 27 May 2022 | 25 May 2022 | A-Award | director: | 1,535 |
| OKE | HELDERMAN MARK W | 27 May 2022 | 25 May 2022 | A-Award | director | 2,302 |
| OKE | HELDERMAN MARK W | 4 Mar 2022 | 3 Mar 2022 | S-Sale | director: | 30,000 |
| OKE | HELDERMAN MARK W | 28 May 2021 | 26 May 2021 | A-Award | director | 1,810 |
| OKE | HELDERMAN MARK W | 28 May 2021 | 26 May 2021 | A-Award | director | 2,570 |
| OKE | HELDERMAN MARK W | 21 May 2020 | 20 May 2020 | A-Award | director | 2,602 |
| OKE | HELDERMAN MARK W | 21 May 2020 | 20 May 2020 | A-Award | director | 3,697 |
| OKE | HELDERMAN MARK W | 19 Mar 2020 | 18 Mar 2020 | P-Purchase | director | 30,000 |
| OKE | HELDERMAN MARK W | 17 Dec 2019 | 17 Dec 2019 | P-Purchase | director | 6,094 |
| OKE | HELDERMAN MARK W | 24 May 2019 | 22 May 2019 | A-Award | director | 1,121 |
| OKE | HELDERMAN MARK W | 24 May 2019 | 22 May 2019 | A-Award | director | 2,017 |
| OKE | HELDERMAN MARK W | 20 Feb 2019 | 19 Feb 2019 | A-Award | director | 494 |
| OKE | HELDERMAN MARK W | 20 Feb 2019 | 19 Feb 2019 | A-Award | director | 274 |
| OKE | HELDERMAN MARK W | 20 Feb 2019 | 19 Feb 2019 | director: | 0 |