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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 Material agreement · Shareholder rights changed · Bylaws or fiscal year change
  2. 8-K Event Executive or director change
  3. DEF 14A Proxy Proxy Statement
  4. 10-K Report Annual Report
  5. 8-K Event Results of operations
  6. 8-K Event Regulation FD disclosure
  7. SC 13G/A Stake Amended Statement of Ownership
  8. SC 13G/A Stake Amended Statement of Ownership
  9. SC 13G/A Stake Amended Statement of Ownership
  10. SC 13G/A Stake Amended Statement of Ownership
  11. SC 13D Stake Beneficial Ownership Report
  12. SC 13G/A Stake Amended Statement of Ownership
  13. 10-Q Report Quarterly Report
  14. 8-K Event Results of operations
  15. 8-K Event Regulation FD disclosure
  16. SC 13G Stake Amended Statement of Ownership
  17. 8-K Event Material agreement · New debt or obligation · Executive or director change
  18. 4 Open-market sale EVP, Chief Operating Officer sold 16,603 shares at $1.75 ($29,055)
  19. 4 Shares withheld for taxes EVP, Chief Operating Officer gave up 3,465 shares (to pay taxes)
  20. 4 Shares withheld for taxes EVP, Chief Technical Officer gave up 4,165 shares (to pay taxes)

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