Dawson Geophysical Co
DWSN- Exchange
- Nasdaq
- Industry
- Oil & Gas Field Exploration Services
- SEC CIK
- 0000799165
No open-market purchases or sales by Dawson Geophysical Co insiders were filed in the last 90 days; 39 institutions reported holding it in 13F filings for Q2 2026, worth $12.5M in total; no superinvestor holds it.
Open-market trades, last 90 days
Open-market purchases (P) and sales (S) by Dawson Geophysical Co insiders, counted by Form 4 filing. Trades with a flagged price and duplicate filings are left out.
- Open-market buys
- 0 filings
- Open-market sells
- 0 filings
- Insiders trading
- 0
- Net value
- $0
- Purchases minus sales
Insider roster
Directors, officers and 10% owners who have filed a Form 4 for Dawson Geophysical Co, current and former, most recent filer first. Last reported holding is the position after the last non-derivative trade in their latest filing.
| Name | Title | Last reported holding | Last filing | Filings, past year |
|---|---|---|---|---|
| Mays Ray L | EVP & Chief Operating Officer | 108,650 | Jul 1, 2026 | 2 |
| Wilks Farris | Director, 10% Owner | 24,609,095Indirect | Jan 5, 2026 | 1 |
| Clark William Anthony | CEO & President | 151,850 | Oct 28, 2025 | 1 |
| Shaw Ian M. | Chief Financial Officer | 20,000 | Aug 18, 2025 | 0 |
| Krylov Sergei | Director | 28,415 | May 20, 2025 | 0 |
| Bradley Bruce Franklin | Director | 19,165 | Oct 4, 2024 | 0 |
| Conly Albert S. | Director | 19,165 | Oct 4, 2024 | 0 |
| Fernandes Jose Carlos | Director | 19,165 | Oct 4, 2024 | 0 |
| Wilks Dan H. | 10% Owner | 24,609,095Indirect | Oct 30, 2023 | 0 |
| Wilks Staci | 10% Owner | 24,609,095Indirect | Oct 30, 2023 | 0 |
| Wilks Brothers, LLC | Director, 10% Owner | 24,609,095Indirect | Oct 30, 2023 | 0 |
| Wilks Matthew | Director | 24,609,095Indirect | Oct 30, 2023 | 0 |
| WB Acquisitions Inc. | 10% Owner | 24,609,095Indirect | Oct 30, 2023 | 0 |
| Jumper Stephen C | President/CEO | 0 | Aug 18, 2022 | 0 |
| Tobias C Ray | EVP, Chief Operating Officer | 0 | Aug 18, 2022 | 0 |
| Brata James Kevin | EVP, Chief Financial Officer | 0 | Aug 18, 2022 | 0 |
| North Ted R | Director | 0 | Jan 20, 2022 | 0 |
| Cooper Craig W | Director | 0 | Jan 20, 2022 | 0 |
| Vander Ploeg Mark A | Director | 0Indirect | Jan 20, 2022 | 0 |
| Klofas Michael L | Director | 0 | Jan 20, 2022 | 0 |
Insider trades
Each row adds up one type of transaction in one Form 4 filing. Only open-market purchases (P) and sales (S) are shown by default; use the filters to see grants, option exercises and other codes.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2023 (view filing)6:05 AM ET | Jun 14 | 16 days | Krylov Sergei and 6 othersDirector | PPurchaseClass A common stock, par value $0.01 per share | +8.89K | $2.23 | +$19.8K | 0.0%18.8M after | AmendedDuplicate filing |
| Jun 16, 2023 (view filing)8:08 PM ET | Jun 14 | 2 days | Wilks Dan H. and 4 others10% Owner | PPurchaseClass A common stock, par value $0.01 per share | +8.89K | $2.23 | +$19.8K | 0.0%18.8M after | |
| Jun 16, 2023 (view filing)8:01 PM ET | Jun 12 | 4 days | Wilks Dan H. and 4 others10% Owner | PPurchaseClass A common stock, par value $0.01 per share | +8.60K | $2.18 | +$18.8K | 0.0%18.8M after | Amended2 lots |
| Jun 14, 2023 (view filing)6:16 PM ET | Jun 12-13 | 2 days | Wilks Dan H. and 4 others10% Owner | PPurchaseClass A common stock, par value $0.01 per share | +8.60K | $2.18 | +$18.8K | 0.0%17.7M after | 2 lots |