DAWSON GEOPHYSICAL CO — 5/A Filings

1 5/A filing on record

This page lists all 5/A filings submitted to the SEC by DAWSON GEOPHYSICAL CO (DWSN), sorted by most recent first. Each row links to the full filing on EdgarLookup. DAWSON GEOPHYSICAL CO has filed 1 5/A document with the SEC since 2004. To view all SEC filings by DAWSON GEOPHYSICAL CO, see the full filings list.

Overview All Filings Financials Insiders

All 10-K 10-K/A 10-Q 10-QT 10KSB 10KSB/A 10QSB 10QSB/A 25 3 4 4/A 424B3 424B4 425 5 5/A 8-A12B 8-A12G 8-K 8-K/A ARS CERTAMX CERTNAS CORRESP DEF 14A DEFA14A DEFM14A DEFR14A DEFS14A EFFECT NT 10-K NT 10-Q POS EX PRE 14A PREM14A PRER14A PRES14A S-4 S-4/A S-8 S-8 POS SB-2 SB-2/A SC 13D SC 13D/A SC 13G SC 13G/A SC 14D9 SC 14D9/A SC TO-T SC TO-T/A SCHEDULE 13D/A UPLOAD

Form	Description	Accession Number	Filed	Period
5/A	FORM 5/A -	0001179110-11-002445	Feb 11, 2011	Dec 31, 2010