SC 13G

Amended Statement of Ownership

GEOSPACE TECHNOLOGIES CORP Filed 2012-07-10 Acc 0001398344-12-002205

Documents 1

SC 13G Amended Statement of Ownership , fp0005099_sc13g.htm

Around this filing

2013-02-13 SC 13G Amended Statement of Ownership
2012-07-10 SC 13G Amended Statement of Ownership
2012-02-09 SC 13G Amended Statement of Ownership

Link to a passage

External

SEC EDGAR (opens in new tab)