| Form type | Sec Links | Description | Filing date | Reporting date |
|---|---|---|---|---|
| SC 13G/A | Report | FORM 13G/A GEOS 12-31-23 | Feb 14, 2024 | |
| SC 13G | Report | SCHEDULE 13G | Feb 13, 2024 | |
| SC 13G/A | Report | Feb 9, 2024 | ||
| SC 13G/A | Report | TIETON CAPITAL MANAGEMENT 13G/A | Feb 1, 2024 | |
| SC 13G/A | Report | Oct 10, 2023 | ||
| SC 13G/A | Report | GEOS 13G-A 2022-12-31 | Feb 14, 2023 | |
| SC 13G/A | Report | Feb 13, 2023 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 10, 2023 | |
| SC 13G | Report | TIETON CAPITAL MANAGEMENT 13G | Jan 25, 2023 | |
| SC 13G | Report | Jan 10, 2023 | ||
| SC 13G/A | Report | May 10, 2022 | ||
| SC 13G/A | Report | 13G/A GEOS 2021-12-31 | Feb 15, 2022 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2022 | |
| SC 13G/A | Report | Feb 9, 2022 | ||
| SC 13G | Report | Feb 8, 2022 | ||
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 8, 2022 | |
| SC 13G | Report | FORM 13G 2020-12-31 | Feb 16, 2021 | |
| SC 13G/A | Report | SEC SCHEDULE 13G | Feb 12, 2021 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 10, 2021 | |
| SC 13G/A | Report | Feb 8, 2021 | ||
| SC 13G/A | Report | Jan 8, 2021 | ||
| SC 13G/A | Report | Sep 9, 2020 | ||
| SC 13G/A | Report | Jul 10, 2020 | ||
| SC 13G | Report | MAY 18, 2020 | May 18, 2020 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | SCHEDULE 13G/A | Feb 12, 2020 | |
| SC 13G/A | Report | Feb 7, 2020 | ||
| SC 13G/A | Report | AMENDMENT NO. 1 TO THE SCHEDULE 13G | Jan 21, 2020 | |
| SC 13G/A | Report | Jan 10, 2020 | ||
| SC 13G/A | Report | Feb 13, 2019 | ||
| SC 13G/A | Report | Feb 11, 2019 | ||
| SC 13G | Report | SCHEDULE 13G | Feb 8, 2019 | |
| SC 13G/A | Report | Jan 28, 2019 | ||
| SC 13G/A | Report | Jun 8, 2018 | ||
| SC 13G | Report | APRIL 23, 2018 | Apr 23, 2018 | |
| SC 13G/A | Report | Feb 15, 2018 | ||
| SC 13G/A | Report | Feb 14, 2018 | ||
| SC 13G/A | Report | Feb 13, 2018 | ||
| SC 13G | Report | Feb 8, 2018 | ||
| SC 13G/A | Report | Jan 19, 2018 | ||
| SC 13G/A | Report | Feb 9, 2017 | ||
| SC 13G/A | Report | Jan 12, 2017 | ||
| SC 13G/A | Report | Jan 11, 2017 | ||
| SC 13G/A | Report | Sep 9, 2016 | ||
| SC 13G/A | Report | Jun 9, 2016 | ||
| SC 13G/A | Report | Feb 16, 2016 | ||
| SC 13G/A | Report | Feb 12, 2016 | ||
| SC 13G/A | Report | Feb 10, 2016 | ||
| SC 13G/A | Report | Feb 1, 2016 | ||
| SC 13G/A | Report | Jan 26, 2016 | ||
| SC 13G/A | Report | Jan 26, 2016 | ||
| SC 13G/A | Report | Jan 25, 2016 | ||
| SC 13G | Report | Nov 30, 2015 | ||
| SC 13G/A | Report | Nov 19, 2015 | ||
| SC 13G/A | Report | Mar 10, 2015 | ||
| SC 13G | Report | Feb 13, 2015 | ||
| SC 13G/A | Report | Feb 10, 2015 | ||
| SC 13G | Report | Feb 9, 2015 | ||
| SC 13G/A | Report | Feb 5, 2015 | ||
| SC 13G/A | Report | Jan 15, 2015 | ||
| SC 13G/A | Report | GEOSPACE TECHNOLOGIES CORP. | Jan 8, 2015 | |
| SC 13G/A | Report | Dec 5, 2014 | ||
| SC 13G/A | Report | Nov 10, 2014 | ||
| SC 13G/A | Report | Feb 13, 2014 | ||
| SC 13G/A | Report | Feb 11, 2014 | ||
| SC 13G/A | Report | Jan 30, 2014 | ||
| SC 13G/A | Report | Jan 10, 2014 | ||
| SC 13G/A | Report | Sep 10, 2013 | ||
| SC 13G/A | Report | Aug 9, 2013 | ||
| SC 13G/A | Report | May 10, 2013 | ||
| SC 13G/A | Report | Feb 14, 2013 | ||
| SC 13G | Report | Feb 13, 2013 | ||
| SC 13G/A | Report | Feb 8, 2013 | ||
| SC 13G/A | Report | Jan 29, 2013 | ||
| SC 13G | Report | Jul 10, 2012 | ||
| SC 13G/A | Report | SCHEDULE 13G AMENDMENT NO. 10 | Feb 24, 2012 | |
| SC 13G | Report | Feb 9, 2012 | ||
| SC 13G/A | Report | Jan 25, 2012 | ||
| SC 13G/A | Report | Jan 27, 2011 | ||
| SC 13G | Report | Feb 26, 2010 | ||
| SC 13G/A | Report | Jan 26, 2010 |