As Of	Filer	Filing¹	For·On·As	Docs:Size	Issuer		Filing Agent

10/25/21  Wilks Brothers, LLC               SC 13D/A               1:86K  Dawson Geophysical Co.            Donnelley … Solutions/FA 
          Dan Wilks³
          Farris Wilks³
          Staci Wilks³
10/25/21  Dawson Geophysical Co.            8-K:1,2,3,810/25/21   13:860K                                   Toppan Merrill/FA        

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¹	Filing/Form Types:  /A
	8-K	Current Report — Form 8-K { Item 1: Business & Operations;  2: Financial Info;  3: Securities & Trading;  4: Accountants & Accounting;  5: Governance & Management;  6: Asset-Backed Securities;  7: Disclosures;  8: Events;  9: Financials }.
	SC 13D	Statement of Acquisition of Beneficial Ownership by an “Active” Investor — Schedule 13D.
	/A	Amendment to, or Amended version of, a previous Filing of this Type.
³	Group Member:  A Registrant or non-Registrant party to this Filing made by a Group.