CIK 0000799165 · Non-accelerated filer<br>Smaller reporting company
DAWSON GEOPHYSICAL CO
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- DWSN
- Exchange
- Nasdaq
- Industry
- Oil & Gas Field Exploration Services
- FY end
- Dec 31
- Incorporated
- TX
- Entity type
- operating
- EIN
- 742095844
- Phone
- 4326843000
- Business address
- 508 WEST WALL, SUITE 800, MIDLAND, TX, 79701
- Former names
- TGC INDUSTRIES INC
- Open-market buys, last 90 days
- $0
- in 0 filings
- Open-market sales, last 90 days
- $0
- in 0 filings
Shares bought or sold at a price by officers, directors and 10% owners (Form 4 codes P and S). Grants, option exercises and tax withholding aren't counted.
Reading 100 more Form 4s from the SEC; this list fills in as they're read.
| Date | Insider | Transaction | Shares | Price | Value | Owned after |
|---|---|---|---|---|---|---|
| 2026-10-27 | Mays Ray L EVP & Chief Operating Officer | Shares withheld for taxes | −8,116 | $2.09 | $17K | 100,534 |
| 2026-10-27 | Clark William Anthony CEO & President | Shares withheld for taxes | −12,175 | $2.09 | $25K | 139,675 |
| 2026-06-30 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +150 | 108,650 | ||
| 2025-12-31 | Wilks Farris Director | Other disposition | −15,547,010 | |||
| 2025-10-27 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +100,000 | 108,500 | ||
| 2025-10-27 | Clark William Anthony CEO & President | Grant or award | +150,000 | 151,850 | ||
| 2025-09-09 | Clark William Anthony CEO & President | Grant or award | +550 | $1.59 | $875 | 1,850 |
| 2025-08-20 | Clark William Anthony CEO & President | Grant or award | +500 | $1.40 | $700 | 1,300 |
| 2025-08-18 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +1,000 | $1.38 | $1K | 6,450 |
| 2025-08-18 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +1,000 | $1.39 | $1K | 7,450 |
| 2025-08-18 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +1,050 | $1.40 | $1K | 8,500 |
| 2025-08-18 | Shaw Ian M. Chief Financial Officer | Grant or award | +5,000 | $1.35 | $7K | 20,000 |
| 2025-08-15 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +500 | $1.29 | $645 | 4,950 |
| 2025-08-15 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +500 | $1.28 | $640 | 5,450 |
| 2025-08-15 | Shaw Ian M. Chief Financial Officer | Grant or award | +5,000 | $1.28 | $6K | 15,000 |
| 2025-06-13 | Clark William Anthony CEO & President | Grant or award | +50 | $1.36 | $68 | 800 |
| 2025-06-06 | Clark William Anthony CEO & President | Grant or award | +600 | $1.31 | $786 | 750 |
| 2025-05-20 | Mays Ray L EVP & Chief Operating Officer | Grant or award | +2,950 | $1.33 | $4K | 4,450 |
| 2025-05-20 | Shaw Ian M. Chief Financial Officer | Grant or award | +3,500 | $1.32 | $5K | 10,000 |
| 2025-05-20 | Krylov Sergei Director | Grant or award | +3,055 | $1.33 | $4K | 28,415 |
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