2025Q4
| Insider | Role (last 12 mo) | Shares held | Filed at |
|---|---|---|---|
| Wilks Matthew | Director | 5,811,765 | Oct 30, 2023 |
| Wilks Farris | 10% Owner | 5,811,765 | Oct 30, 2023 |
| Wilks Dan H. | 10% Owner | 5,811,765 | Oct 30, 2023 |
| Wilks Staci | 10% Owner | 5,811,765 | Oct 30, 2023 |
| Wilks Brothers, LLC | 10% Owner | 5,811,765 | Oct 30, 2023 |
| Exec date | Filing date | Insider | Role | Signal | Confidence | Shares | % of shares | Under plan? | Amount (USD) |
|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | Jan 5, 2026 | Wilks Farris | Director | Neutral | 27.5 | -15,547,010 | -100.00% | ✗ | - |
| Oct 27, 2025 | Oct 28, 2025 | Mays Ray L | COO | Neutral | 90.0 | +100,000 | 1176.47% | ✗ | - |
| Oct 27, 2025 | Oct 28, 2025 | Clark William Anthony | CEO | Neutral | 90.0 | +150,000 | 8108.11% | ✗ | - |
| Sep 9, 2025 | Sep 9, 2025 | Clark William Anthony | CEO | Neutral | 90.0 | +550 | 42.31% | ✗ | - |
| Aug 20, 2025 | Aug 21, 2025 | Clark William Anthony | CEO | Neutral | 90.0 | +500 | 62.50% | ✗ | - |
| Aug 15, 2025 | Aug 18, 2025 | Mays Ray L | COO | Neutral | 90.0 | +4,050 | 91.01% | ✗ | - |
| Aug 15, 2025 | Aug 18, 2025 | Shaw Ian M. | CFO | Neutral | 90.0 | +10,000 | 100.00% | ✗ | - |
| Jun 13, 2025 | Jun 17, 2025 | Clark William Anthony | CEO | Neutral | 85.0 | +50 | 6.67% | ✗ | - |
| Jun 6, 2025 | Jun 9, 2025 | Clark William Anthony | CEO | Neutral | 90.0 | +600 | 400.00% | ✗ | - |
| May 16, 2025 | May 20, 2025 | Mays Ray L | COO | Neutral | 90.0 | +4,450 | 100.00% | ✗ | - |
| May 16, 2025 | May 20, 2025 | Shaw Ian M. | CFO | Neutral | 90.0 | +10,000 | 100.00% | ✗ | - |
| May 16, 2025 | May 20, 2025 | Krylov Sergei | Director | Neutral | 90.0 | +9,250 | 48.27% | ✗ | - |
| Jun 28, 2024 | Jan 21, 2025 | Clark William Anthony | CEO | Neutral | 90.0 | +150 | 100.00% | ✗ | - |
| Oct 1, 2024 | Oct 4, 2024 | Krylov Sergei | Director | Neutral | 90.0 | +19,165 | 100.00% | ✗ | - |
| Oct 1, 2024 | Oct 4, 2024 | Bradley Bruce Franklin | Director | Neutral | 90.0 | +19,165 | 100.00% | ✗ | - |
| Oct 1, 2024 | Oct 4, 2024 | Fernandes Jose Carlos | Director | Neutral | 90.0 | +19,165 | 100.00% | ✗ | - |
| Oct 1, 2024 | Oct 4, 2024 | Conly Albert S. | Director | Neutral | 90.0 | +19,165 | 100.00% | ✗ | - |
| Oct 4, 2024 | Fernandes Jose Carlos | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Oct 4, 2024 | Conly Albert S. | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Apr 19, 2024 | Shaw Ian M. | CFO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Apr 19, 2024 | Mays Ray L | COO | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Nov 2, 2023 | Clark William Anthony | EVP & Chief Business Officer | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Sep 13, 2023 | Oct 30, 2023 | Wilks Brothers, LLC | Director | Neutral | 52.5 | - | 0.00% | ✗ | - |
| Jun 14, 2023 | Jun 30, 2023 | Wilks Brothers, LLC | 10% Owner | Buy | 48.8 | +8,895 | 0.05% | ✗ | $19.8K |
| Jun 14, 2023 | Jun 16, 2023 | Wilks Brothers, LLC | 10% Owner | Buy | 48.8 | +8,895 | 0.05% | ✗ | $19.8K |
| Jun 12, 2023 | Jun 16, 2023 | Wilks Brothers, LLC | 10% Owner | Buy | 48.8 | +8,604 | 0.05% | ✗ | $18.8K |
| Mar 24, 2023 | Jun 16, 2023 | Wilks Brothers, LLC | 10% Owner | Neutral | 85.0 | +1,188,235 | 6.74% | ✗ | - |
| Jun 12, 2023 | Jun 14, 2023 | Wilks Brothers, LLC | 10% Owner | Buy | 48.8 | +8,604 | 0.05% | ✗ | $18.8K |
| Aug 16, 2022 | Aug 18, 2022 | Brata James Kevin | CFO | Sell | 26.3 | -25,000 | -100.00% | ✗ | $43.8K |
| Aug 16, 2022 | Aug 18, 2022 | TOBIAS C RAY | COO | Sell | 26.3 | -25,000 | -100.00% | ✗ | $43.8K |
| Aug 16, 2022 | Aug 18, 2022 | JUMPER STEPHEN C | CEO | Sell | 22.5 | -50,000 | -100.00% | ✗ | $87.5K |
| Mar 11, 2022 | Wilks Brothers, LLC | 10% Owner | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 27, 2022 | Krylov Sergei | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 27, 2022 | Bradley Bruce Franklin | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 27, 2022 | Wilks Matthew | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Jan 18, 2022 | Jan 20, 2022 | North Ted R | Director | Sell | 22.5 | -85,211 | -100.00% | ✗ | $199.4K |
| Jan 18, 2022 | Jan 20, 2022 | Vander Ploeg Mark A | Director | Sell | 22.5 | -67,891 | -100.00% | ✗ | $158.9K |
| Jan 18, 2022 | Jan 20, 2022 | Klofas Michael L | Director | Sell | 22.5 | -39,651 | -100.00% | ✗ | $92.8K |
| Jan 18, 2022 | Jan 20, 2022 | JUMPER STEPHEN C | CEO | Sell | 20.0 | -245,316 | -83.07% | ✗ | $574K |
| Jan 18, 2022 | Jan 20, 2022 | TOBIAS C RAY | COO | Sell | 22.5 | -100,382 | -80.06% | ✗ | $234.9K |
| Jan 18, 2022 | Jan 20, 2022 | COOPER CRAIG W | Director | Sell | 22.5 | -93,070 | -100.00% | ✗ | $217.8K |
| Jan 18, 2022 | Jan 20, 2022 | Brata James Kevin | CFO | Sell | 22.5 | -62,252 | -71.35% | ✗ | $145.7K |
| Sep 30, 2021 | Oct 1, 2021 | Vander Ploeg Mark A | Director | Neutral | 82.5 | +2,988 | 4.60% | ✗ | - |
| Sep 30, 2021 | Oct 1, 2021 | North Ted R | Director | Neutral | 82.5 | +2,988 | 3.63% | ✗ | - |
| Sep 30, 2021 | Oct 1, 2021 | Klofas Michael L | Director | Neutral | 85.0 | +2,988 | 8.15% | ✗ | - |
| Sep 30, 2021 | Oct 1, 2021 | COOPER CRAIG W | Director | Neutral | 82.5 | +2,988 | 3.32% | ✗ | - |
| Aug 16, 2021 | Aug 17, 2021 | TOBIAS C RAY | COO | Neutral | 90.0 | +25,000 | 24.90% | ✗ | - |
| Aug 16, 2021 | Aug 17, 2021 | JUMPER STEPHEN C | CEO | Neutral | 90.0 | +50,000 | 20.38% | ✗ | - |
| Aug 16, 2021 | Aug 17, 2021 | Brata James Kevin | CFO | Neutral | 90.0 | +25,000 | 40.16% | ✗ | - |
| Jun 30, 2021 | Jul 2, 2021 | Vander Ploeg Mark A | Director | Neutral | 82.5 | +2,830 | 4.56% | ✗ | - |
| Jun 30, 2021 | Jul 2, 2021 | North Ted R | Director | Neutral | 82.5 | +2,830 | 3.56% | ✗ | - |
| Jun 30, 2021 | Jul 2, 2021 | Klofas Michael L | Director | Neutral | 85.0 | +2,830 | 8.36% | ✗ | - |
| Jun 30, 2021 | Jul 2, 2021 | COOPER CRAIG W | Director | Neutral | 82.5 | +2,830 | 3.24% | ✗ | - |
| Jun 1, 2021 | Jun 2, 2021 | TOBIAS C RAY | COO | Sell | 46.3 | -4,620 | -4.40% | ✗ | $11K |
| Jun 1, 2021 | Jun 2, 2021 | Brata James Kevin | CFO | Sell | 46.3 | -4,620 | -6.91% | ✗ | $11K |
| Sep 15, 2020 | Sep 17, 2020 | TOBIAS C RAY | COO | Sell | 26.3 | -16,603 | -13.65% | ✗ | $29.1K |
| Aug 10, 2020 | Aug 11, 2020 | TOBIAS C RAY | COO | Sell | 47.5 | -3,465 | -2.77% | ✗ | $6K |
| Aug 10, 2020 | Aug 11, 2020 | Thomas James W | EVP, Chief Technical Officer | Sell | 47.5 | -4,165 | -5.82% | ✗ | $7.3K |
| Aug 10, 2020 | Aug 11, 2020 | Brata James Kevin | CFO | Sell | 47.5 | -3,465 | -4.93% | ✗ | $6K |
| Mar 10, 2020 | Mar 12, 2020 | JUMPER STEPHEN C | CEO | Buy | 83.8 | +10,000 | 4.25% | ✗ | $13.1K |
| Dec 31, 2019 | Jan 2, 2020 | Vander Ploeg Mark A | Director | Neutral | 85.0 | +5,368 | 9.47% | ✗ | - |
| Dec 31, 2019 | Jan 2, 2020 | North Ted R | Director | Neutral | 85.0 | +5,214 | 7.03% | ✗ | - |
| Dec 31, 2019 | Jan 2, 2020 | Klofas Michael L | Director | Neutral | 90.0 | +4,754 | 16.35% | ✗ | - |
| Dec 31, 2019 | Jan 2, 2020 | HOOVER GARY M | Director | Neutral | 85.0 | +4,754 | 5.97% | ✗ | - |
| Dec 31, 2019 | Jan 2, 2020 | COOPER CRAIG W | Director | Neutral | 85.0 | +4,754 | 5.76% | ✗ | - |
| Dec 31, 2019 | Jan 2, 2020 | BARRETT WILLIAM J | Director | Neutral | 67.5 | +5,061 | 0.59% | ✗ | - |
| Sep 30, 2019 | Oct 1, 2019 | BARRETT WILLIAM J | Director | Neutral | 67.5 | +6,062 | 0.71% | ✗ | - |
| Sep 30, 2019 | Oct 1, 2019 | COOPER CRAIG W | Director | Neutral | 85.0 | +5,715 | 7.44% | ✗ | - |
| Sep 30, 2019 | Oct 1, 2019 | HOOVER GARY M | Director | Neutral | 85.0 | +5,715 | 7.73% | ✗ | - |
| Sep 30, 2019 | Oct 1, 2019 | Klofas Michael L | Director | Neutral | 90.0 | +5,715 | 24.46% | ✗ | - |
| Sep 30, 2019 | Oct 1, 2019 | North Ted R | Director | Neutral | 85.0 | +6,235 | 9.18% | ✗ | - |
| Sep 30, 2019 | Oct 1, 2019 | Vander Ploeg Mark A | Director | Neutral | 90.0 | +6,408 | 12.74% | ✗ | - |
| Jun 28, 2019 | Jul 1, 2019 | Vander Ploeg Mark A | Director | Neutral | 90.0 | +5,208 | 11.55% | ✗ | - |
| Jun 28, 2019 | Jul 1, 2019 | North Ted R | Director | Neutral | 85.0 | +5,059 | 8.04% | ✗ | - |
| Jun 28, 2019 | Jul 1, 2019 | Klofas Michael L | Director | Neutral | 90.0 | +4,613 | 24.60% | ✗ | - |
| Jun 28, 2019 | Jul 1, 2019 | HOOVER GARY M | Director | Neutral | 85.0 | +4,613 | 6.66% | ✗ | - |
| Jun 28, 2019 | Jul 1, 2019 | COOPER CRAIG W | Director | Neutral | 85.0 | +4,613 | 6.39% | ✗ | - |
| Jun 28, 2019 | Jul 1, 2019 | BARRETT WILLIAM J | Director | Neutral | 67.5 | +4,910 | 0.58% | ✗ | - |
| May 30, 2019 | May 31, 2019 | WHITENER WAYNE A | Director | Sell | 47.5 | -1,540 | -3.41% | ✗ | $3.5K |
| Mar 29, 2019 | Apr 2, 2019 | Vander Ploeg Mark A | Director | Neutral | 90.0 | +4,449 | 10.95% | ✗ | - |
| Mar 29, 2019 | Apr 2, 2019 | North Ted R | Director | Neutral | 85.0 | +4,322 | 7.38% | ✗ | - |
| Mar 29, 2019 | Apr 2, 2019 | Klofas Michael L | Director | Neutral | 90.0 | +3,940 | 26.60% | ✗ | - |
| Mar 29, 2019 | Apr 2, 2019 | HOOVER GARY M | Director | Neutral | 85.0 | +3,940 | 6.03% | ✗ | - |
| Mar 29, 2019 | Apr 2, 2019 | COOPER CRAIG W | Director | Neutral | 85.0 | +3,940 | 5.77% | ✗ | - |
| Mar 29, 2019 | Apr 2, 2019 | BARRETT WILLIAM J | Director | Neutral | 60.0 | +4,194 | 0.50% | ✗ | - |
| Mar 13, 2019 | Mar 13, 2019 | Thomas James W | EVP, Chief Technical Officer | Buy | 91.3 | +13,000 | 22.19% | ✗ | $40.5K |
| Feb 15, 2019 | Feb 19, 2019 | WHITENER WAYNE A | Director | Sell | 46.3 | -7,623 | -14.43% | ✗ | $29.5K |
| Feb 15, 2019 | Feb 19, 2019 | TOBIAS C RAY | COO | Sell | 46.3 | -6,930 | -5.25% | ✗ | $26.8K |
| Feb 15, 2019 | Feb 19, 2019 | Thomas James W | EVP, Chief Technical Officer | Sell | 46.3 | -6,095 | -9.42% | ✗ | $23.6K |
| Feb 15, 2019 | Feb 19, 2019 | JUMPER STEPHEN C | CEO | Sell | 42.5 | -13,282 | -5.34% | ✗ | $51.3K |
| Feb 15, 2019 | Feb 19, 2019 | Brata James Kevin | CFO | Sell | 46.3 | -4,966 | -6.59% | ✗ | $19.2K |
| Aug 13, 2018 | Jan 18, 2019 | BARRETT WILLIAM J | Director | Buy | 82.5 | +18,230 | 2.27% | ✗ | $105K |
| Jan 10, 2019 | Vander Ploeg Mark A | Director | Neutral | 52.5 | - | 0.00% | ✗ | - | |
| Dec 31, 2018 | Jan 3, 2019 | Vander Ploeg Mark A | Director | Neutral | 90.0 | +3,848 | 10.46% | ✗ | - |
| Dec 31, 2018 | Jan 3, 2019 | North Ted R | Director | Neutral | 85.0 | +3,739 | 6.82% | ✗ | - |
| Dec 31, 2018 | Jan 3, 2019 | Klofas Michael L | Director | Neutral | 90.0 | +3,409 | 29.90% | ✗ | - |
| Dec 31, 2018 | Jan 3, 2019 | HOOVER GARY M | Director | Neutral | 85.0 | +3,409 | 5.50% | ✗ | - |
| Dec 31, 2018 | Jan 3, 2019 | COOPER CRAIG W | Director | Neutral | 85.0 | +3,409 | 5.26% | ✗ | - |
| Dec 31, 2018 | Jan 3, 2019 | BARRETT WILLIAM J | Director | Neutral | 60.0 | +3,629 | 0.43% | ✗ | - |
| Sep 28, 2018 | Oct 2, 2018 | Vander Ploeg Mark A | Director | Neutral | 85.0 | +2,230 | 6.45% | ✗ | - |