Dawson Geophysical Company

Official notification to shareholders of matters to be brought to a vote ("Proxy")

Initial filing by director officer or owner of more than ten percent

An amendment to a SC 13D filing

Statement of changes in beneficial ownership of securities

A preliminary proxy statement providing notification matters to be brought to a vote

Report of unscheduled material events or corporate event

Official notification to shareholders of matters to be brought to a vote ("Proxy")

UPLOAD

Proxy soliciting materials. Revised preliminary material

Proxy soliciting materials. Revised preliminary material