SC 13G/A

Amended Statement of Ownership

GEOSPACE TECHNOLOGIES CORP Filed 2021-01-08 Acc 0000834237-21-000075

Documents 1

SC 13G/A Amended Statement of Ownership , us37364x1090_010821.txt

Around this filing

2021-02-08 SC 13G/A Amended Statement of Ownership
2021-01-08 SC 13G/A Amended Statement of Ownership
2020-09-09 SC 13G/A Amended Statement of Ownership

Link to a passage

External

SEC EDGAR (opens in new tab)