SC 13G/A

Amended Statement of Ownership

DAWSON GEOPHYSICAL CO Filed 2020-02-03 Acc 0000903064-20-000007

Documents 1

SC 13G/A Amended Statement of Ownership , dwsn13g123119.txt

Around this filing

2020-02-12 SC 13G/A Amended Statement of Ownership
2020-02-03 SC 13G/A Amended Statement of Ownership
2019-07-10 SC 13G/A Amended Statement of Ownership

Link to a passage

External

SEC EDGAR (opens in new tab)