| Name | Relationship | Address | Signature | Signature date | CIK | 
|---|---|---|---|---|---|
| Clark William Anthony | CEO & President | 508 W. WALL STREET, SUITE 800, MIDLAND | /s/ William Anthony Clark | 2025-08-21 | 0001481594 | 
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | DWSN | Dawson Geophysical Company-Common Stock $0.01 par value | Award | $700 | +500 | +62.5% | $1.40 | 1.3K | Aug 20, 2025 | Direct |