GEOSPACE TECHNOLOGIES CORP — DEF 14A Filings
30 DEF 14A filings on record
This page lists all DEF 14A 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 30 DEF 14A 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 |
|---|---|---|---|---|
| DEF 14A | FORM DEF 14A | 0001437749-25-038638 | Dec 23, 2025 | Feb 5, 2026 |
| DEF 14A | FORM DEF 14A | 0001437749-24-038442 | Dec 27, 2024 | Feb 6, 2025 |
| DEF 14A | FORM DEF 14A | 0001437749-24-000325 | Jan 3, 2024 | Feb 8, 2024 |
| DEF 14A | DEF 14A | 0001193125-23-001273 | Jan 4, 2023 | Feb 9, 2023 |
| DEF 14A | DEF 14A | 0001193125-22-000279 | Jan 3, 2022 | Feb 2, 2022 |
| DEF 14A | DEF 14A | 0001193125-20-329435 | Dec 30, 2020 | Feb 4, 2021 |
| DEF 14A | DEF 14A | 0001193125-20-001868 | Jan 6, 2020 | Feb 6, 2020 |
| DEF 14A | DEF 14A | 0001193125-19-001874 | Jan 4, 2019 | Feb 6, 2019 |
| DEF 14A | DEF 14A | 0001193125-18-001659 | Jan 3, 2018 | Feb 7, 2018 |
| DEF 14A | DEF 14A | 0001193125-16-804868 | Dec 28, 2016 | Feb 9, 2017 |
| DEF 14A | DEF 14A | 0001193125-15-411606 | Dec 23, 2015 | Feb 4, 2016 |
| DEF 14A | DEF 14A | 0001193125-14-457204 | Dec 30, 2014 | Feb 12, 2015 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-13-469869 | Dec 11, 2013 | — |
| DEF 14A | FORM DEF 14A | 0001193125-13-297272 | Jul 22, 2013 | Aug 20, 2013 |
| DEF 14A | DEF 14A | 0001193125-13-259648 | Jun 14, 2013 | Jul 16, 2013 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-13-002556 | Jan 4, 2013 | Feb 21, 2013 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-12-074306 | Feb 23, 2012 | Apr 10, 2012 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-11-000790 | Jan 4, 2011 | Feb 24, 2011 |
| DEF 14A | DEFINITIVE PROXY MATERIALS | 0001193125-10-001041 | Jan 5, 2010 | Feb 25, 2010 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-09-000719 | Jan 5, 2009 | Feb 23, 2009 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-08-001737 | Jan 4, 2008 | Feb 28, 2008 |
| DEF 14A | DEFINITIVE PROXY MATERIALS | 0001193125-07-002266 | Jan 5, 2007 | Feb 21, 2007 |
| DEF 14A | DEFINITIVE NOTICE & PROXY STATEMENT | 0001193125-05-250310 | Dec 29, 2005 | Feb 8, 2006 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-04-213691 | Dec 15, 2004 | Feb 8, 2005 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0001193125-03-088883 | Dec 3, 2003 | Jan 8, 2004 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000899243-03-000086 | Jan 21, 2003 | Feb 28, 2003 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000899243-02-000089 | Jan 22, 2002 | Feb 27, 2002 |
| DEF 14A | DEFINITIVE PROXY STATEMENT | 0000899243-00-002750 | Dec 29, 2000 | Jan 25, 2001 |
| DEF 14A | NOTICE AND PROXY | 0000899243-99-002573 | Dec 30, 1999 | Dec 28, 1999 |
| DEF 14A | DEFINITIVE PROXY MATERIALS | 0000899243-99-000133 | Jan 28, 1999 | Mar 1, 1999 |