GEOSPACE TECHNOLOGIES CORP — SC 13G Filings
25 SC 13G filings on record
This page lists all SC 13G filings submitted to the SEC by GEOSPACE TECHNOLOGIES CORP (GEOS), sorted by most recent first. Each row links to the full filing on EdgarLookup. GEOSPACE TECHNOLOGIES CORP has filed 25 SC 13G documents with the SEC since 1997. To view all SEC filings by GEOSPACE TECHNOLOGIES CORP, see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
144
3
3/A
4
4/A
424B1
424B3
424B4
8-A12B
8-K
8-K/A
ARS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
NT 10-Q
PRE 14A
S-1
S-1/A
S-3
S-3/A
S-8
S-8 POS
SC 13D
SC 13D/A
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
SD
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| SC 13G | — | 0002012383-24-003670 | Nov 8, 2024 | — |
| SC 13G | — | 0002012383-24-001631 | Oct 22, 2024 | — |
| SC 13G | SCHEDULE 13G | 0001104659-24-021013 | Feb 13, 2024 | — |
| SC 13G | TIETON CAPITAL MANAGEMENT 13G | 0001381954-23-000005 | Jan 25, 2023 | — |
| SC 13G | — | 0001398344-23-000523 | Jan 10, 2023 | — |
| SC 13G | — | 0001144969-22-000007 | Feb 8, 2022 | — |
| SC 13G | FORM 13G 2020-12-31 | 0001050442-21-000012 | Feb 16, 2021 | — |
| SC 13G | MAY 18, 2020 | 0001013594-20-000504 | May 18, 2020 | — |
| SC 13G | SCHEDULE 13G | 0001258897-19-001424 | Feb 8, 2019 | — |
| SC 13G | APRIL 23, 2018 | 0001013594-18-000316 | Apr 23, 2018 | — |
| SC 13G | — | 0000932471-18-002983 | Feb 8, 2018 | — |
| SC 13G | — | 0001546927-15-000288 | Nov 30, 2015 | — |
| SC 13G | — | 0000315066-15-001963 | Feb 13, 2015 | — |
| SC 13G | — | 0001390777-15-000012 | Feb 9, 2015 | — |
| SC 13G | — | 0000932471-13-004605 | Feb 13, 2013 | — |
| SC 13G | — | 0001398344-12-002205 | Jul 10, 2012 | — |
| SC 13G | — | 0001086364-12-000601 | Feb 9, 2012 | — |
| SC 13G | — | 0000947772-10-000039 | Feb 26, 2010 | — |
| SC 13G | — | 0000790502-08-000034 | Apr 9, 2008 | — |
| SC 13G | — | 0000947772-08-000012 | Feb 14, 2008 | — |
| SC 13G | DOC ONE | 0000315066-06-002471 | Feb 14, 2006 | — |
| SC 13G | — | 0000898430-05-001813 | Feb 9, 2005 | — |
| SC 13G | SCHEDULE 13G | 0000950134-99-003311 | Apr 28, 1999 | — |
| SC 13G | — | 0000790502-99-000026 | Jan 29, 1999 | — |
| SC 13G | — | 0000890566-98-000175 | Feb 17, 1998 | — |