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CIK 0000799165 · Non-accelerated filer<br>Smaller reporting company

DAWSON GEOPHYSICAL CO

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Ticker
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
  1. 8-K Event Results of operations
  2. 8-K Event Regulation FD disclosure
  3. SC 13G/A Stake Amended Statement of Ownership
  4. 4 Grant or award Director acquired 5,208 shares (grant or award)
  5. 4 Grant or award Director acquired 5,059 shares (grant or award)
  6. 4 Grant or award Director acquired 4,613 shares (grant or award)
  7. 4 Grant or award Director acquired 4,613 shares (grant or award)
  8. 4 Grant or award Director acquired 4,613 shares (grant or award)
  9. 4 Grant or award Director acquired 4,910 shares (grant or award)
  10. 8-K Event Material agreement · New debt or obligation · Executive or director change
  11. 4 Shares withheld for taxes Director gave up 1,540 shares (to pay taxes)
  12. 10-Q Report Quarterly Report
  13. 8-K Event Results of operations · Shareholder vote results
  14. 8-K Event Regulation FD disclosure
  15. 4 Grant or award Director acquired 4,449 shares (grant or award)
  16. 4 Grant or award Director acquired 4,322 shares (grant or award)
  17. 4 Grant or award Director acquired 3,940 shares (grant or award)
  18. 4 Grant or award Director acquired 3,940 shares (grant or award)
  19. 4 Grant or award Director acquired 3,940 shares (grant or award)
  20. 4 Grant or award Director acquired 4,194 shares (grant or award)

Page 13 of 58 · 1,150 filings