2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Wexford Catalyst Trading LTD | Director | 22,045,273 | Nov 22, 2019 |
| Wexford Spectrum Trading LTD | Director | 22,045,273 | Nov 22, 2019 |
| Meh Sub Llc | Director | 22,045,273 | Nov 22, 2019 |
| Mammoth Energy Holdings LLC | Director | 20,445,923 | Oct 21, 2016 |
| GPOR Distribution Trust | — | 9,829,548 | Jul 12, 2021 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Dec 11, 2025 | Dec 15, 2025 | Amron Arthur H | Director | Buy | 91.3 | +10,000 | 21.22% | ✗ | $18.9K |
| May 22, 2025 | May 27, 2025 | SMITH ARTHUR L | Director | Sell | 22.5 | -20,000 | -13.33% | ✗ | $50.2K |
| May 19, 2025 | May 21, 2025 | SMITH ARTHUR L | Director | Sell | 22.5 | -65,000 | -30.23% | ✗ | $162.9K |
| Dec 12, 2024 | Dec 16, 2024 | Amron Arthur H | Director | Buy | 77.5 | +1,000 | 2.17% | ✗ | $3K |
| Nov 22, 2024 | Nov 26, 2024 | Booker Corey J. | Director | Sell | 22.5 | -25,000 | -16.61% | ✗ | $86.4K |
| Nov 20, 2024 | Nov 22, 2024 | Booker Corey J. | Director | Sell | 26.3 | -11,709 | -7.22% | ✗ | $37.9K |
| Nov 13, 2024 | Nov 15, 2024 | Booker Corey J. | Director | Sell | 26.3 | -10,707 | -6.19% | ✗ | $38.7K |
| Nov 7, 2024 | Nov 12, 2024 | Booker Corey J. | Director | Sell | 26.3 | -3,683 | -2.09% | ✗ | $13.3K |
| Jun 12, 2024 | Jun 14, 2024 | Booker Corey J. | Director | Neutral | 90.0 | +27,856 | 18.73% | ✗ | - |
| Jun 12, 2024 | Jun 14, 2024 | Palm James D | Director | Neutral | 90.0 | +27,856 | 13.12% | ✗ | - |
| Jun 12, 2024 | Jun 14, 2024 | SMITH ARTHUR L | Director | Neutral | 90.0 | +27,856 | 14.88% | ✗ | - |
| Jun 12, 2024 | Jun 14, 2024 | Jacobi Paul M. | Director | Neutral | 90.0 | +27,856 | 100.00% | ✗ | - |
| Jun 12, 2024 | Jun 14, 2024 | Amron Arthur H | Director | Neutral | 90.0 | +27,856 | 152.39% | ✗ | - |
| May 28, 2024 | May 30, 2024 | Amron Arthur H | Director | Buy | 91.3 | +5,000 | 37.65% | ✗ | $18.1K |
| Mar 12, 2024 | Mar 14, 2024 | WEXFORD CAPITAL LP | Director | Neutral | 27.5 | -535,366 | -2.37% | ✗ | - |
| Mar 12, 2024 | Mar 14, 2024 | Amron Arthur H | Director | Buy | 91.3 | +3,000 | 29.19% | ✗ | $11.2K |
| Dec 18, 2023 | Dec 19, 2023 | Straehla Arty | CEO | Sell | 20.0 | -70,000 | -6.46% | ✗ | $305.4K |
| Dec 13, 2023 | Dec 15, 2023 | Straehla Arty | CEO | Sell | 20.0 | -120,000 | -9.97% | ✗ | $528.2K |
| Jun 7, 2023 | Jun 8, 2023 | Amron Arthur H | Director | Neutral | 90.0 | +23,810 | 100.00% | ✗ | - |
| Jun 7, 2023 | Jun 8, 2023 | Jacobi Paul M. | Director | Neutral | 90.0 | +23,810 | 100.00% | ✗ | - |
| Jun 7, 2023 | Jun 8, 2023 | Booker Corey J. | Director | Neutral | 90.0 | +23,810 | 19.06% | ✗ | - |
| Jun 7, 2023 | Jun 8, 2023 | Palm James D | Director | Neutral | 90.0 | +23,810 | 12.63% | ✗ | - |
| Jun 7, 2023 | Jun 8, 2023 | SMITH ARTHUR L | Director | Neutral | 90.0 | +23,810 | 14.57% | ✗ | - |
| Mar 3, 2023 | Mar 7, 2023 | Straehla Arty | CEO | Sell | 40.0 | -129,220 | -9.69% | ✗ | $717.2K |
| Mar 3, 2023 | Mar 7, 2023 | Layton Mark E. | CFO | Sell | 42.5 | -36,375 | -7.99% | ✗ | $201.9K |
| Nov 11, 2022 | Nov 14, 2022 | SMITH ARTHUR L | Director | Sell | 22.5 | -20,000 | -10.91% | ✗ | $141.3K |
| Jun 29, 2022 | Jun 30, 2022 | SMITH ARTHUR L | Director | Neutral | 90.0 | +45,662 | 33.16% | ✗ | - |
| Jun 29, 2022 | Jun 30, 2022 | Palm James D | Director | Neutral | 90.0 | +45,662 | 31.97% | ✗ | - |
| Jun 29, 2022 | Jun 30, 2022 | Jacobi Paul M. | Director | Neutral | 90.0 | +45,662 | 100.00% | ✗ | - |
| Jun 29, 2022 | Jun 30, 2022 | Booker Corey J. | Director | Neutral | 90.0 | +45,662 | 57.61% | ✗ | - |
| Jun 29, 2022 | Jun 30, 2022 | Amron Arthur H | Director | Neutral | 90.0 | +45,662 | 100.00% | ✗ | - |
| Jun 16, 2022 | Jun 21, 2022 | WEXFORD CAPITAL LP | Director | Buy | 65.0 | +45,382 | 0.20% | ✗ | $97K |
| Jun 13, 2022 | Jun 15, 2022 | WEXFORD CAPITAL LP | Director | Buy | 65.0 | +50,802 | 0.23% | ✗ | $117.3K |
| Jun 8, 2022 | Jun 10, 2022 | WEXFORD CAPITAL LP | Director | Buy | 65.0 | +97,768 | 0.44% | ✗ | $241.4K |
| Mar 10, 2022 | Mar 11, 2022 | Layton Mark E. | CFO | Sell | 42.5 | -40,417 | -8.15% | ✗ | $82.3K |
| Aug 12, 2021 | Feb 14, 2022 | SMITH ARTHUR L | Director | Neutral | 27.5 | -42,620 | -23.63% | ✗ | - |
| Dec 13, 2021 | Dec 14, 2021 | SMITH ARTHUR L | Director | Buy | 95.0 | +25,000 | 16.10% | ✗ | $50K |
| Jul 12, 2021 | GPOR Distribution Trust | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 2, 2021 | Jun 4, 2021 | SMITH ARTHUR L | Director | Neutral | 90.0 | +25,641 | 19.77% | ✗ | - |
| Jun 2, 2021 | Jun 4, 2021 | Booker Corey J. | Director | Neutral | 90.0 | +25,641 | 47.82% | ✗ | - |
| Jun 2, 2021 | Jun 4, 2021 | Jacobi Paul M. | Director | Neutral | 90.0 | +25,641 | 100.00% | ✗ | - |
| Jun 2, 2021 | Jun 4, 2021 | Palm James D | Director | Neutral | 90.0 | +25,641 | 21.88% | ✗ | - |
| Jun 2, 2021 | Jun 4, 2021 | AMRON ARTHUR H | Director | Neutral | 90.0 | +25,641 | 100.00% | ✗ | - |
| Mar 11, 2021 | Mar 11, 2021 | Layton Mark E. | CFO | Sell | 40.0 | -55,789 | -10.11% | ✗ | $291K |
| Mar 9, 2021 | Mar 11, 2021 | Straehla Arty | CEO | Sell | 40.0 | -148,990 | -10.05% | ✗ | $796.1K |
| Nov 10, 2020 | Nov 13, 2020 | Straehla Arty | CEO | Sell | 45.0 | -5,000 | -0.34% | ✗ | $8.9K |
| Sep 4, 2020 | Sep 8, 2020 | SMITH ARTHUR L | Director | Buy | 91.3 | +20,000 | 18.23% | ✗ | $25.8K |
| Aug 17, 2020 | Aug 19, 2020 | Booker Corey J. | Director | Neutral | 90.0 | +53,618 | 100.00% | ✗ | - |
| Aug 19, 2020 | Booker Corey J. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jul 2, 2020 | Jul 7, 2020 | Jacobi Paul M. | Director | Neutral | 90.0 | +86,957 | 100.00% | ✗ | - |
| Jul 2, 2020 | Jul 7, 2020 | AMRON ARTHUR H | Director | Neutral | 90.0 | +86,957 | 100.00% | ✗ | - |
| Jul 7, 2020 | Jacobi Paul M. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jul 2, 2020 | Jul 7, 2020 | SMITH ARTHUR L | Director | Neutral | 90.0 | +86,957 | 382.60% | ✗ | - |
| Jul 2, 2020 | Jul 7, 2020 | Palm James D | Director | Neutral | 90.0 | +86,957 | 287.77% | ✗ | - |
| Mar 3, 2020 | Mar 4, 2020 | Straehla Arty | CEO | Neutral | 90.0 | +1,300,000 | 694.78% | ✗ | - |
| Mar 3, 2020 | Mar 4, 2020 | Layton Mark E. | CFO | Neutral | 90.0 | +500,000 | 969.63% | ✗ | - |
| Nov 20, 2019 | Nov 22, 2019 | WEXFORD CAPITAL LP | Director | Buy | 56.3 | +16,692 | 0.08% | ✗ | $22.2K |
| Nov 21, 2019 | Nov 22, 2019 | Ross Matthew | Director | Sell | 27.5 | -2,913 | -12.82% | ✗ | $4.2K |
| Nov 18, 2019 | Nov 20, 2019 | YELLEN JONATHAN H | Director | Neutral | 90.0 | +36,674 | 100.00% | ✗ | - |
| Nov 20, 2019 | YELLEN JONATHAN H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Nov 13, 2019 | Nov 15, 2019 | WEXFORD CAPITAL LP | Director | Buy | 56.3 | +35,904 | 0.16% | ✗ | $48.9K |
| Jun 5, 2019 | Jun 7, 2019 | AMRON ARTHUR H | Director | Neutral | 90.0 | +10,493 | 100.00% | ✗ | - |
| Jun 5, 2019 | Jun 7, 2019 | McCarthy Marc T | Director | Neutral | 90.0 | +10,493 | 100.00% | ✗ | - |
| Jun 5, 2019 | Jun 7, 2019 | Palm James D | Director | Neutral | 90.0 | +10,493 | 53.20% | ✗ | - |
| Jun 5, 2019 | Jun 7, 2019 | SMITH ARTHUR L | Director | Neutral | 90.0 | +10,493 | 85.76% | ✗ | - |
| Jun 5, 2019 | Jun 7, 2019 | Ross Matthew | Director | Neutral | 90.0 | +10,493 | 85.76% | ✗ | - |
| Jun 5, 2019 | Jun 7, 2019 | Heerwagen Paul K IV | Director | Neutral | 90.0 | +10,493 | 100.00% | ✗ | - |
| Jan 25, 2019 | Jan 29, 2019 | AMRON ARTHUR H | Director | Neutral | 90.0 | +1,549 | 100.00% | ✗ | - |
| Jan 29, 2019 | AMRON ARTHUR H | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Dec 3, 2018 | Dec 6, 2018 | SMITH ARTHUR L | Director | Sell | 22.5 | -6,000 | -32.90% | ✗ | $149.1K |
| Nov 8, 2018 | Nov 13, 2018 | Straehla Arty | CEO | Sell | 37.5 | -38,841 | -17.19% | ✗ | $1M |
| Nov 8, 2018 | Nov 13, 2018 | Layton Mark E. | CFO | Sell | 46.3 | -1,136 | -2.16% | ✗ | $30.8K |
| Aug 9, 2018 | LaForge Rusty Neal | VP, Gen. Couns., Asst. Sec. | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jul 30, 2018 | Aug 1, 2018 | MEH SUB LLC | Director | Sell | 15.0 | -266,026 | -1.20% | ✗ | $10.1M |
| Jun 29, 2018 | Jul 3, 2018 | MEH SUB LLC | Director | Sell | 15.0 | -2,764,400 | -11.05% | ✗ | $105.1M |
| Jun 7, 2018 | Jun 11, 2018 | Heerwagen Paul K IV | Director | Neutral | 90.0 | +2,655 | 100.00% | ✗ | - |
| Jun 7, 2018 | Jun 11, 2018 | Palm James D | Director | Neutral | 90.0 | +2,655 | 15.55% | ✗ | - |
| Jun 7, 2018 | Jun 11, 2018 | Ross Matthew | Director | Neutral | 90.0 | +2,655 | 27.71% | ✗ | - |
| Jun 7, 2018 | Jun 11, 2018 | SMITH ARTHUR L | Director | Neutral | 90.0 | +2,655 | 17.04% | ✗ | - |
| Jun 7, 2018 | Jun 11, 2018 | McCarthy Marc T | Director | Neutral | 90.0 | +2,655 | 100.00% | ✗ | - |
| Mar 1, 2018 | Mar 7, 2018 | Layton Mark E. | CFO | Sell | 42.5 | -4,373 | -7.66% | ✗ | $114.3K |
| Feb 2, 2018 | Feb 6, 2018 | Heerwagen Paul K IV | Director | Neutral | 90.0 | +2,913 | 100.00% | ✗ | - |
| Feb 2, 2018 | Feb 6, 2018 | Ross Matthew | Director | Neutral | 90.0 | +2,913 | 43.69% | ✗ | - |
| Feb 2, 2018 | Feb 6, 2018 | SMITH ARTHUR L | Director | Neutral | 90.0 | +2,913 | 23.00% | ✗ | - |
| Feb 2, 2018 | Feb 6, 2018 | Palm James D | Director | Neutral | 90.0 | +4,370 | 34.41% | ✗ | - |
| Feb 2, 2018 | Feb 6, 2018 | McCarthy Marc T | Director | Neutral | 90.0 | +2,913 | 100.00% | ✗ | - |
| Nov 14, 2017 | Nov 16, 2017 | Layton Mark E. | CFO | Sell | 46.3 | -925 | -1.59% | ✗ | $17.6K |
| Nov 14, 2017 | Nov 16, 2017 | Straehla Arty | CEO | Sell | 40.0 | -25,842 | -10.26% | ✗ | $476.8K |
| Aug 24, 2017 | Aug 28, 2017 | Palm James D | Director | Buy | 95.0 | +6,000 | 89.55% | ✗ | $76.5K |
| Jul 6, 2017 | Palm James D | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jun 8, 2017 | Jun 22, 2017 | MEH SUB LLC | Director | Neutral | 90.0 | +4,565,416 | 22.32% | ✗ | - |
| Jun 9, 2017 | Jun 13, 2017 | SMITH ARTHUR L | Director | Buy | 95.0 | +6,000 | 90.00% | ✗ | $101.5K |
| Feb 28, 2017 | Mar 2, 2017 | Straehla Arty | CEO | Buy | 56.3 | +460 | 0.18% | ✗ | $10K |
| Feb 21, 2017 | Feb 23, 2017 | Layton Mark E. | CFO | Neutral | 90.0 | +40,000 | 222.22% | ✗ | - |
| Jan 9, 2016 | Jan 10, 2017 | Heerwagen Paul K IV | Director | Neutral | 90.0 | +4,444 | 100.00% | ✗ | - |
| Jan 10, 2017 | Heerwagen Paul K IV | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Nov 7, 2016 | Nov 9, 2016 | Ross Matthew | Director | Neutral | 90.0 | +6,667 | 100.00% | ✗ | - |
| Nov 9, 2016 | Ross Matthew | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 19, 2016 | Oct 21, 2016 | Gaydosik Aaron | Director | Neutral | 90.0 | +6,667 | 100.00% | ✗ | - |
| Oct 19, 2016 | Oct 21, 2016 | Layton Mark E. | CFO | Buy | 91.3 | +18,000 | 100.00% | ✗ | $45K |