CERTAMX

Filing

DAWSON GEOPHYSICAL CO Filed 2005-04-15 Acc 9999999997-05-019360

Documents 1

CERTAMX , 9999999997-05-019360.paper

Around this filing

2005-04-20 4 Changes in Ownership
2005-04-19 8-K Other events
2005-04-15 CERTAMX CERTAMX
2005-04-13 8-A12B Registration of Securities

Link to a passage

External

SEC EDGAR (opens in new tab)