Dawson Geophysical Company

Filing date	Form	Description	Filing Group	View
02/14/20	SC 13G/A	An amendment to the SC 13G filing	Other	0001171520-20-000129.rtf View HTML 0001171520-20-000129.xls 0001171520-20-000129.pdf
02/13/20	SC 13G/A	An amendment to the SC 13G filing	Other	0001037389-20-000182.rtf View HTML 0001037389-20-000182.pdf
02/12/20	SC 13G/A	An amendment to the SC 13G filing	Other	0001258897-20-000915.rtf View HTML 0001258897-20-000915.xls 0001258897-20-000915.pdf
02/03/20	SC 13G/A	An amendment to the SC 13G filing	Other	0000903064-20-000007.rtf View HTML 0000903064-20-000007.pdf
01/02/20	4	Statement of changes in beneficial ownership of securities	3,4,5	0001104659-20-000465.rtf View HTML 0001104659-20-000465.pdf
01/02/20	4	Statement of changes in beneficial ownership of securities	3,4,5	0001104659-20-000466.rtf View HTML 0001104659-20-000466.pdf
01/02/20	4	Statement of changes in beneficial ownership of securities	3,4,5	0001104659-20-000468.rtf View HTML 0001104659-20-000468.pdf
01/02/20	4	Statement of changes in beneficial ownership of securities	3,4,5	0001104659-20-000469.rtf View HTML 0001104659-20-000469.pdf
01/02/20	4	Statement of changes in beneficial ownership of securities	3,4,5	0001104659-20-000470.rtf View HTML 0001104659-20-000470.pdf
01/02/20	4	Statement of changes in beneficial ownership of securities	3,4,5	0001104659-20-000472.rtf View HTML 0001104659-20-000472.pdf

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