Dawson Geophysical Company

Filing date	Form	Description	Filing Group	View
06/16/23	4	Statement of changes in beneficial ownership of securities	3,4,5	0000899243-23-015840.rtf View HTML 0000899243-23-015840.xls 0000899243-23-015840.pdf
10/30/23	4	Statement of changes in beneficial ownership of securities	3,4,5	0000899243-23-020059.rtf View HTML 0000899243-23-020059.xls 0000899243-23-020059.pdf
02/22/05	424A	Substantive changes from or additions to a prospectus previously filed	Registration Statements	0000950134-05-003478.rtf View HTML 0000950134-05-003478.xls 0000950134-05-003478.pdf
11/01/21	SC TO-T	Tender offer schedule and amendment filed by a third party.	Mergers & Acquisitions	0001193125-21-315370.rtf View HTML 0001193125-21-315370.xls 0001193125-21-315370.pdf
02/23/15	15-12B	Termination of registration under Section 12(g) or suspension of duty to file reports	Other	0001104659-15-013035.rtf View HTML 0001104659-15-013035.xls 0001104659-15-013035.pdf
02/28/13	UPLOAD	UPLOAD	Other	View HTML 0000000000-13-011049.pdf
01/30/09	UPLOAD	UPLOAD	Other	View HTML 0000000000-09-005083.pdf
08/10/07	UPLOAD	UPLOAD	Other	View HTML 0000000000-07-039186.pdf
08/24/11	UPLOAD	UPLOAD	Other	View HTML 0000000000-11-050876.pdf
02/04/11	UPLOAD	UPLOAD	Other	View HTML 0000000000-11-007529.pdf

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