GEOSPACE TECHNOLOGIES CORP — 4 Filings
362 4 filings on record
This page lists all 4 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 362 4 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 |
|---|---|---|---|---|
| 4 | SHEEN EXERCISE OF OPTIONS | 0001181431-10-044890 | Aug 31, 2010 | Aug 27, 2010 |
| 4 | MCENTIRE EXERCISE OF OPTIONS | 0001181431-10-044889 | Aug 31, 2010 | Aug 27, 2010 |
| 4 | SHEEN EXERCISE OF OPTIONS | 0001181431-10-044094 | Aug 25, 2010 | Aug 23, 2010 |
| 4 | MCENTIRE EXERCISE OPTIONS | 0001181431-10-044030 | Aug 25, 2010 | Aug 23, 2010 |
| 4 | OWENS EXERCISE OF OPTIONS | 0001181431-10-044027 | Aug 25, 2010 | Aug 23, 2010 |
| 4 | OWENS EXERCISE OF OPTIONS | 0001181431-10-042792 | Aug 20, 2010 | Aug 18, 2010 |
| 4 | SHEEN EXERCISE OF OPTIONS | 0001181431-10-042791 | Aug 20, 2010 | Aug 18, 2010 |
| 4 | MCENTIRE EXERCISE OF OPTIONS | 0001181431-10-042790 | Aug 20, 2010 | Aug 18, 2010 |
| 4 | SHEEN.FORM 4 | 0001181431-10-022649 | Apr 23, 2010 | Apr 22, 2010 |
| 4 | SHEEN.FORM 4 | 0001181431-10-022479 | Apr 22, 2010 | Apr 20, 2010 |
| 4 | SHEEN.FORM 4 | 0001181431-10-022086 | Apr 20, 2010 | Apr 16, 2010 |
| 4 | SHEEN.SALE OF COMMON STOCK | 0001181431-10-015437 | Mar 11, 2010 | Mar 9, 2010 |
| 4 | SHEEN.EXERCISE OF STOCK OPTIONS | 0001181431-09-050512 | Nov 9, 2009 | Nov 5, 2009 |
| 4 | OWENS OPTION EXERCISE (AUGUST 2009) | 0001181431-09-039434 | Aug 13, 2009 | Aug 12, 2009 |
| 4 | MCENTIRE EXERCISE OF OPTIONS | 0001181431-09-029924 | Jun 10, 2009 | Jun 8, 2009 |
| 4 | OWENS SHARE PURCHASE (MAY 2009) | 0001181431-09-028411 | Jun 2, 2009 | May 29, 2009 |
| 4 | STILL SHARE PURCHASE (MAY 2009) | 0001181431-09-028149 | Jun 2, 2009 | May 29, 2009 |
| 4 | KATSUHIKO KOBAYASHI FORM 4 (01/09/09) | 0001181431-09-002433 | Jan 13, 2009 | Jan 9, 2009 |
| 4 | OYO CORPORATION FORM 4 (01/09/09) | 0001181431-09-002432 | Jan 13, 2009 | Jan 9, 2009 |
| 4 | OYO CORPORATION U.S.A. FORM 4 (01/09/09) | 0001181431-09-002431 | Jan 13, 2009 | Jan 9, 2009 |
| 4 | KATSUHIKO KOBAYASHI FORM 4 (12/31/08-01/02/09) | 0001181431-09-000328 | Jan 5, 2009 | Dec 31, 2008 |
| 4 | OYO CORPORATION FORM 4 (12/31/08-01/02/09) | 0001181431-09-000327 | Jan 5, 2009 | Dec 31, 2008 |
| 4 | OYO CORPORATION U.S.A. FORM 4 (12/31/08-01/02/09) | 0001181431-09-000326 | Jan 5, 2009 | Dec 31, 2008 |
| 4 | OYO USA SHARE PURCHASE 12/29-12/30 (KOBAYASHI) | 0001181431-08-070007 | Dec 31, 2008 | Dec 29, 2008 |
| 4 | OYO USA SHARE PURCHASE 12/29-12/30 (OYO CORP) | 0001181431-08-070002 | Dec 31, 2008 | Dec 29, 2008 |
| 4 | OYO USA SHARE PURCHASE 12/29-12/30 (OYO USA) | 0001181431-08-070000 | Dec 31, 2008 | Dec 29, 2008 |
| 4 | OYO USA SHARE PURCHASE 12/24-12/26 (KOBAYASHI) | 0001181431-08-069535 | Dec 29, 2008 | Dec 24, 2008 |
| 4 | OYO USA SHARE PURCHASE 12/24-12/26 (OYO CORP) | 0001181431-08-069531 | Dec 29, 2008 | Dec 24, 2008 |
| 4 | OYO USA SHARE PURCHASE 12/24-12/26 (OYO USA) | 0001181431-08-069526 | Dec 29, 2008 | Dec 24, 2008 |
| 4 | K. KOBAYASHI FORM 4 (12/24) | 0001181431-08-069200 | Dec 24, 2008 | Dec 22, 2008 |
| 4 | OYO CORP. FORM 4 (12/24) | 0001181431-08-069198 | Dec 24, 2008 | Dec 22, 2008 |
| 4 | OYO CORP. U.S.A FORM 4 (12/24) | 0001181431-08-069195 | Dec 24, 2008 | Dec 22, 2008 |
| 4 | KATSUHIKO KOBAYASHI FORM 4 (12/22) | 0001181431-08-068554 | Dec 22, 2008 | Dec 18, 2008 |
| 4 | OYO CORP. FORM 4 (12/22) | 0001181431-08-068553 | Dec 22, 2008 | Dec 18, 2008 |
| 4 | OYO CORP USA FORM 4 (12/22) | 0001181431-08-068551 | Dec 22, 2008 | Dec 18, 2008 |
| 4 | KOBAYASHI FORM 4 (12/18) | 0001181431-08-068077 | Dec 18, 2008 | Dec 16, 2008 |
| 4 | OYO CORP. U.S.A FORM 4 (12/18/08) | 0001181431-08-068076 | Dec 18, 2008 | Dec 16, 2008 |
| 4 | OYO CORP FORM 4 (12/18/08) | 0001181431-08-068075 | Dec 18, 2008 | Dec 16, 2008 |
| 4 | KATSUHIKO KOBAYASHI FORM 4 (12/16/08) | 0001181431-08-067512 | Dec 15, 2008 | Dec 12, 2008 |
| 4 | OYO CORP. USA FORM 4 (12/16/08) | 0001181431-08-067511 | Dec 15, 2008 | Dec 12, 2008 |
| 4 | OYO CORP. FORM 4 (12/16/08) | 0001181431-08-067510 | Dec 15, 2008 | Dec 12, 2008 |
| 4 | MOODY SHARE PURCHASE (DEC 2008) | 0001181431-08-067284 | Dec 15, 2008 | Dec 10, 2008 |
| 4 | KATSUHIKO KOBAYASHI FORM 4 (12/12/08) | 0001181431-08-067058 | Dec 12, 2008 | Dec 10, 2008 |
| 4 | OYO CORP. USA FORM 4 (12/12/08) | 0001181431-08-067056 | Dec 12, 2008 | Dec 10, 2008 |
| 4 | OYO CORPORATION FORM 4 (12/12/08) | 0001181431-08-067054 | Dec 12, 2008 | Dec 10, 2008 |
| 4 | STILL SHARE PURCHASE (DEC 2008) | 0001181431-08-066835 | Dec 11, 2008 | Dec 10, 2008 |
| 4 | RICE OPTION GRANT (DEC 2008) | 0001181431-08-066306 | Dec 9, 2008 | Dec 5, 2008 |
| 4 | SHEEN OPTION GRANT (DEC 2008) | 0001181431-08-066304 | Dec 9, 2008 | Dec 5, 2008 |
| 4 | OWENS OPTION GRANT (DEC 2008) | 0001181431-08-066189 | Dec 9, 2008 | Dec 5, 2008 |
| 4 | MCENTIRE OPTION GRANT (DEC 2008) | 0001181431-08-066139 | Dec 8, 2008 | Dec 5, 2008 |