Through the 90-day period concluding February 19, 2026, Dawson Geophysical's top three insider stakeholders include Director Brothers, Llc Wilks (24.61Mn shares), Ceo & President William Anthony Clark (151.85K shares), Evp & Chief Operating Officer Ray L Mays (108.50K shares).
| Holder | Position | Shares | Report Date |
|---|---|---|---|
| Brothers, Llc Wilks | 24,609,095 | 30 Oct, 2023 | |
| William Anthony Clark | Ceo & President | 151,850 | 28 Oct, 2025 |
| Ray L Mays | Evp & Chief Operating Officer | 108,500 | 28 Oct, 2025 |
| Sergei Krylov | 28,415 | 20 May, 2025 | |
| Ian M. Shaw | Chief Financial Officer | 20,000 | 18 Aug, 2025 |
| Bruce Franklin Bradley | 19,165 | 04 Oct, 2024 | |
| Albert S. Conly | 19,165 | 04 Oct, 2024 | |
| Jose Carlos Fernandes | 19,165 | 04 Oct, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 31 Dec, 2025 | Farris Wilks | Common Stock, par value $0.01 per share | D | 15,547,010 | - | - | I | J |
| 27 Oct, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 100,000 | $0.00 | 108,500 | D | A |
| 27 Oct, 2025 | William Anthony Clark | Dawson Geophysical Company-Common Stock $0.01 par value | A | 150,000 | $0.00 | 151,850 | D | A |
| 09 Sep, 2025 | William Anthony Clark | Dawson Geophysical Company-Common Stock $0.01 par value | A | 550 | $1.59 | 1,850 | D | A |
| 20 Aug, 2025 | William Anthony Clark | Dawson Geophysical Company-Common Stock $0.01 par value | A | 500 | $1.40 | 1,300 | D | A |
| 18 Aug, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 1,050 | $1.40 | 8,500 | D | A |
| 18 Aug, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 1,000 | $1.39 | 7,450 | D | A |
| 18 Aug, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 1,000 | $1.38 | 6,450 | D | A |
| 18 Aug, 2025 | Ian M. Shaw | - | - | 20,000 | D | |||
| 18 Aug, 2025 | Ian M. Shaw | Dawson Geophysical Company-Common Stock $0.01 par value | A | 5,000 | $1.35 | 20,000 | D | A |
| 15 Aug, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 500 | $1.28 | 5,450 | D | A |
| 15 Aug, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 500 | $1.29 | 4,950 | D | A |
| 15 Aug, 2025 | Ian M. Shaw | - | - | 15,000 | D | |||
| 15 Aug, 2025 | Ian M. Shaw | Dawson Geophysical Company-Common Stock $0.01 par value | A | 5,000 | $1.28 | 15,000 | D | A |
| 13 Jun, 2025 | William Anthony Clark | Dawson Geophysical Company-Common Stock $0.01 par value | A | 50 | $1.36 | 800 | D | A |
| 06 Jun, 2025 | William Anthony Clark | Dawson Geophysical Company-Common Stock $0.01 par value | A | 600 | $1.31 | 750 | D | A |
| 20 May, 2025 | Ray L Mays | Dawson Geophysical Company-Common Stock $0.01 par value | A | 2,950 | $1.33 | 4,450 | D | A |
| 20 May, 2025 | Sergei Krylov | - | - | 28,415 | D | |||
| 20 May, 2025 | Sergei Krylov | Dawson Geophysical Company-Common Stock $0.01 par value | A | 3,055 | $1.33 | 28,415 | D | A |
| 20 May, 2025 | Ian M. Shaw | Dawson Geophysical Company-Common Stock $0.01 par value | A | 3,500 | $1.32 | 10,000 | D | A |