Dawson Geophysical Company

Filing date	Form	Description	Filing Group	View
10/27/08	4/A	Amendment to a previously filed 4	3,4,5	0001179110-08-018553.rtf View HTML 0001179110-08-018553.pdf
10/27/08	4/A	Amendment to a previously filed 4	3,4,5	0001179110-08-018560.rtf View HTML 0001179110-08-018560.pdf
02/05/18	4/A	Amendment to a previously filed 4	3,4,5	0001104659-18-006513.rtf View HTML 0001104659-18-006513.pdf
07/06/18	4/A	Amendment to a previously filed 4	3,4,5	0001104659-18-044131.rtf View HTML 0001104659-18-044131.pdf
01/18/19	4/A	Amendment to a previously filed 4	3,4,5	0001104659-19-002420.rtf View HTML 0001104659-19-002420.pdf
06/16/23	4/A	Amendment to a previously filed 4	3,4,5	0000899243-23-015834.rtf View HTML 0000899243-23-015834.xls 0000899243-23-015834.pdf
06/30/23	4/A	Amendment to a previously filed 4	3,4,5	0000899243-23-016727.rtf View HTML 0000899243-23-016727.xls 0000899243-23-016727.pdf
04/30/99	10KSB/A	Amendment to a previously filed 10KSB	Annual Filings	0000929966-99-000004.rtf View HTML 0000929966-99-000004.xls 0000929966-99-000004.pdf
02/28/05	10-K/A	Amendment to a previously filed 10-K	Annual Filings	0000950134-05-003873.rtf View HTML 0000950134-05-003873.xls 0000950134-05-003873.pdf
05/04/10	10-K/A	Amendment to a previously filed 10-K	Annual Filings	0001104659-10-025190.rtf View HTML 0001104659-10-025190.xls 0001104659-10-025190.pdf

Investor Relations