SEC EDGAR filings, ownership reports, and insider transactions for GEOSPACE TECHNOLOGIES CORP.
Recent SEC filings for GEOSPACE TECHNOLOGIES CORP including DEF 14A, DEFA14A, 4 and more.
| Form type | Document | Filing | Description | Filing date | Reporting date | File number(s) |
|---|---|---|---|---|---|---|
| DEF 14A | Open DEF 14A document | Open XBRL data | View SEC filing for DEF 14A | FORM DEF 14A | 23 Dec 2025 | 05 Feb 2026 | 001-13601 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | FORM DEFA14A | 23 Dec 2025 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Dec 2025 | 05 Dec 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Dec 2025 | 05 Dec 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 05 Dec 2025 | 05 Dec 2025 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 05 Dec 2025 | 20 Nov 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 01 Dec 2025 | 25 Nov 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Nov 2025 | 20 Nov 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Nov 2025 | 20 Nov 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 25 Nov 2025 | 20 Nov 2025 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 21 Nov 2025 | 30 Sep 2025 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 20 Nov 2025 | 20 Nov 2025 | 001-13601 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 14 Nov 2025 | 005-52075 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 30 Oct 2025 | 005-52075 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 09 Oct 2025 | 005-52075 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Sep 2025 | 29 Aug 2025 | 001-13601 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 14 Aug 2025 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Aug 2025 | 30 Jun 2025 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Aug 2025 | 07 Aug 2025 | 001-13601 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 17 Jul 2025 | 005-52075 | ||
| SD | Open SD document | View SEC filing for SD | FORM SD | 21 May 2025 | 001-13601 | |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 15 May 2025 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 May 2025 | 31 Mar 2025 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 09 May 2025 | 08 May 2025 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 04 Mar 2025 | 27 Feb 2025 | 001-13601 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 14 Feb 2025 | 005-52075 | ||
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 11 Feb 2025 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Feb 2025 | 06 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Feb 2025 | 06 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Feb 2025 | 06 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Feb 2025 | 06 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Feb 2025 | 06 Feb 2025 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 07 Feb 2025 | 06 Feb 2025 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 06 Feb 2025 | 31 Dec 2024 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Feb 2025 | 06 Feb 2025 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 05 Feb 2025 | 05 Feb 2025 | 001-13601 |
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 23 Jan 2025 | 005-52075 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 10 Jan 2025 | 03 Jan 2025 | 001-13601 |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | FORM DEFA14A | 27 Dec 2024 | 001-13601 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 27 Dec 2024 | 06 Feb 2025 | 001-13601 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 11 Dec 2024 | 02 Dec 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 26 Nov 2024 | 21 Nov 2024 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Nov 2024 | 21 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Nov 2024 | 21 Nov 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 22 Nov 2024 | 21 Nov 2024 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 22 Nov 2024 | 30 Sep 2024 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 21 Nov 2024 | 21 Nov 2024 | 001-13601 |
| SCHEDULE 13G/A | Open SCHEDULE 13G/A document | View SEC filing for SCHEDULE 13G/A | 14 Nov 2024 | 005-52075 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 08 Nov 2024 | 005-52075 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 22 Oct 2024 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 02 Oct 2024 | 01 Oct 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 19 Sep 2024 | 19 Sep 2024 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 09 Aug 2024 | 30 Jun 2024 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Aug 2024 | 08 Aug 2024 | 001-13601 |
| 10-K/A | Open 10-K/A document | Open XBRL data | View SEC filing for 10-K/A | FORM 10-K/A | 02 Jul 2024 | 30 Sep 2023 | 001-13601 |
| 10-K/A | Open 10-K/A document | Open XBRL data | View SEC filing for 10-K/A | FORM 10-K/A | 02 Jul 2024 | 30 Sep 2022 | 001-13601 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 21 May 2024 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 10 May 2024 | 31 Mar 2024 | 001-13601 |
| 3/A | Open 3/A document | View SEC filing for 3/A | FORM 3/A | 09 May 2024 | 29 Apr 2024 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 09 May 2024 | 29 Apr 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 09 May 2024 | 09 May 2024 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 27 Feb 2024 | 22 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 26 Feb 2024 | 22 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 21 Feb 2024 | 001-13601 | ||
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A | 21 Feb 2024 | 14 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 | 21 Feb 2024 | 14 Feb 2024 | |
| 144 | Open 144 document | View SEC filing for 144 | 14 Feb 2024 | 001-13601 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | FORM 13G/A GEOS 12-31-23 | 14 Feb 2024 | 005-52075 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 13 Feb 2024 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2024 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 08 Feb 2024 | 31 Dec 2023 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | OWENS 02-07-24 | 08 Feb 2024 | 07 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | ASHWORTH 02-07-24 | 08 Feb 2024 | 07 Feb 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 08 Feb 2024 | 08 Feb 2024 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | ASHWORTH 02-07-24 | 08 Feb 2024 | 07 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | GIESINGER 02-07-24 | 08 Feb 2024 | 07 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | MILES 02-07-24 | 08 Feb 2024 | 07 Feb 2024 | |
| 4 | Open 4 document | View SEC filing for 4 | DAVIS 02-07-24 | 08 Feb 2024 | 07 Feb 2024 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 07 Feb 2024 | 07 Feb 2024 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | TIETON CAPITAL MANAGEMENT 13G/A | 01 Feb 2024 | 005-52075 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 03 Jan 2024 | 08 Feb 2024 | 001-13601 |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 22 Dec 2023 | 21 Dec 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 21 Dec 2023 | 21 Dec 2023 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2023 | 16 Nov 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2023 | 16 Nov 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2023 | 16 Nov 2023 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 17 Nov 2023 | 30 Sep 2023 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 17 Nov 2023 | 16 Nov 2023 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Oct 2023 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 11 Aug 2023 | 30 Jun 2023 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 10 Aug 2023 | 10 Aug 2023 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 01 Aug 2023 | 26 Jul 2023 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 06 Jul 2023 | 29 Jun 2023 | 001-13601 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 17 May 2023 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 12 May 2023 | 31 Mar 2023 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | FORM 8-K | 11 May 2023 | 11 May 2023 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Feb 2023 | 27 Feb 2023 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Feb 2023 | 17 Feb 2023 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | GEOS 13G-A 2022-12-31 | 14 Feb 2023 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2023 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 10 Feb 2023 | 005-52075 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2023 | 09 Feb 2023 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 Feb 2023 | 09 Feb 2023 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Feb 2023 | 31 Dec 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 08 Feb 2023 | 08 Feb 2023 | 001-13601 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | TIETON CAPITAL MANAGEMENT 13G | 25 Jan 2023 | 005-52075 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 10 Jan 2023 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 04 Jan 2023 | 09 Feb 2023 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 Nov 2022 | 21 Nov 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 Nov 2022 | 21 Nov 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 Nov 2022 | 21 Nov 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 21 Nov 2022 | 21 Nov 2022 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 18 Nov 2022 | 30 Sep 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 18 Nov 2022 | 17 Nov 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Nov 2022 | 03 Nov 2022 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Sep 2022 | 02 Sep 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 01 Sep 2022 | 30 Aug 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 23 Aug 2022 | 19 Aug 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Aug 2022 | 15 Aug 2022 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 10 Aug 2022 | 30 Jun 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 10 Aug 2022 | 09 Aug 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 09 Aug 2022 | 05 Aug 2022 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 19 May 2022 | 17 May 2022 | |
| SD | Open SD document | View SEC filing for SD | SD | 19 May 2022 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 12 May 2022 | 31 Mar 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 May 2022 | 11 May 2022 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 10 May 2022 | 06 May 2022 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 May 2022 | 005-52075 | ||
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Apr 2022 | 27 Apr 2022 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Feb 2022 | 25 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 25 Feb 2022 | 23 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2022 | 22 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Feb 2022 | 17 Feb 2022 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13G/A GEOS 2021-12-31 | 15 Feb 2022 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2022 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2022 | 005-52075 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 08 Feb 2022 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 08 Feb 2022 | 005-52075 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 03 Feb 2022 | 02 Feb 2022 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 02 Feb 2022 | 01 Feb 2022 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 02 Feb 2022 | 31 Dec 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 20 Jan 2022 | 19 Jan 2022 | 001-13601 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 03 Jan 2022 | 02 Feb 2022 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2021 | 18 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2021 | 18 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2021 | 18 Nov 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2021 | 18 Nov 2021 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K 2021 | 19 Nov 2021 | 30 Sep 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 19 Nov 2021 | 18 Nov 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Nov 2021 | 03 Nov 2021 | 001-13601 |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 27 Aug 2021 | 333-259131 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 12 Aug 2021 | 12 Aug 2021 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 3RD QTR 2021 FORM 10-Q | 06 Aug 2021 | 30 Jun 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 Aug 2021 | 05 Aug 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 Jul 2021 | 21 Jul 2021 | 001-13601 |
| SD | Open SD document | View SEC filing for SD | SD | 24 May 2021 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | GEOS10Q-03-31-21 | 07 May 2021 | 31 Mar 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 07 May 2021 | 06 May 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 28 Apr 2021 | 27 Apr 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 29 Mar 2021 | 25 Mar 2021 | 001-13601 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | FORM 13G 2020-12-31 | 16 Feb 2021 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SEC SCHEDULE 13G | 12 Feb 2021 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 10 Feb 2021 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2021 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2021 | 04 Feb 2021 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 05 Feb 2021 | 04 Feb 2021 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 1ST QTR FORM 10-Q 12-31-20 | 04 Feb 2021 | 31 Dec 2020 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Feb 2021 | 03 Feb 2021 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 22 Jan 2021 | 22 Jan 2021 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Jan 2021 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 30 Dec 2020 | 04 Feb 2021 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Dec 2020 | 10 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Dec 2020 | 09 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Dec 2020 | 01 Dec 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 01 Dec 2020 | 01 Dec 2020 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 01 Dec 2020 | 01 Dec 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 30 Nov 2020 | 25 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 27 Nov 2020 | 24 Nov 2020 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 23 Nov 2020 | 17 Nov 2020 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2020 | 19 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2020 | 19 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2020 | 19 Nov 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2020 | 19 Nov 2020 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 20 Nov 2020 | 30 Sep 2020 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 20 Nov 2020 | 19 Nov 2020 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 12 Nov 2020 | 09 Nov 2020 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 10 Nov 2020 | 09 Nov 2020 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Sep 2020 | 005-52075 | ||
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | AMENDMENT NO. 1 TO THE SCHEDULE 13D | 26 Aug 2020 | 005-52075 | |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 11 Aug 2020 | 06 Aug 2020 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2020 | 30 Jun 2020 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Aug 2020 | 06 Aug 2020 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Jul 2020 | 22 Jul 2020 | 001-13601 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | 15 Jul 2020 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Jul 2020 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Jul 2020 | 30 Jun 2020 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 May 2020 | 26 May 2020 | 001-13601 |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SCHEDULE 13D DATED MAY 26, 2020 | 27 May 2020 | 005-52075 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | MAY 18, 2020 | 18 May 2020 | 005-52075 | |
| SD | Open SD document | View SEC filing for SD | SD | 18 May 2020 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 May 2020 | 14 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 May 2020 | 13 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 14 May 2020 | 13 May 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 May 2020 | 12 May 2020 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 May 2020 | 07 May 2020 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | GEOS-10Q-2019-03-31 | 08 May 2020 | 31 Mar 2020 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Apr 2020 | 23 Apr 2020 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 Apr 2020 | 06 Apr 2020 | |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SC 13D | 18 Feb 2020 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G/A | 12 Feb 2020 | 005-52075 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 07 Feb 2020 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2020 | 06 Feb 2020 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Feb 2020 | 06 Feb 2020 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | GEOS-10Q-1Q2020 | 06 Feb 2020 | 31 Dec 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 Feb 2020 | 05 Feb 2020 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 27 Jan 2020 | 24 Jan 2020 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | AMENDMENT NO. 1 TO THE SCHEDULE 13G | 21 Jan 2020 | 005-52075 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Jan 2020 | 005-52075 | ||
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 06 Jan 2020 | 01 Jan 2020 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 06 Jan 2020 | 06 Feb 2020 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Dec 2019 | 03 Dec 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 26 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 26 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 26 Nov 2019 | 26 Nov 2019 | |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 26 Nov 2019 | 21 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2019 | 21 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2019 | 21 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2019 | 21 Nov 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 22 Nov 2019 | 21 Nov 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Nov 2019 | 21 Nov 2019 | 001-13601 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | GEOS-10K-2019 | 22 Nov 2019 | 30 Sep 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 18 Nov 2019 | 15 Nov 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Nov 2019 | 07 Nov 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 12 Aug 2019 | 08 Aug 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 09 Aug 2019 | 08 Aug 2019 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | GEO-10Q-2019-06-30 | 09 Aug 2019 | 30 Jun 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Jul 2019 | 24 Jul 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 Jun 2019 | 03 Jun 2019 | 001-13601 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 24 May 2019 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q 03-31-19 | 03 May 2019 | 31 Mar 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 May 2019 | 02 May 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 Apr 2019 | 23 Apr 2019 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Apr 2019 | 29 Mar 2019 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2019 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2019 | 005-52075 | ||
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | FEBRUARY 8, 2019 | 08 Feb 2019 | 005-52075 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Feb 2019 | 06 Feb 2019 | 001-13601 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | SCHEDULE 13G | 08 Feb 2019 | 005-52075 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Feb 2019 | 06 Feb 2019 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 Feb 2019 | 05 Feb 2019 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | GEOS-10Q-2018-12-31 | 06 Feb 2019 | 31 Dec 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 29 Jan 2019 | 28 Jan 2019 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 28 Jan 2019 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 04 Jan 2019 | 06 Feb 2019 | 001-13601 |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | 13DA | 12 Dec 2018 | 005-52075 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 07 Dec 2018 | 06 Dec 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2018 | 27 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2018 | 27 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2018 | 27 Nov 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 28 Nov 2018 | 27 Nov 2018 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 Nov 2018 | 26 Nov 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 16 Nov 2018 | 15 Nov 2018 | 001-13601 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K 2018 | 16 Nov 2018 | 30 Sep 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 13 Nov 2018 | 08 Nov 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 06 Nov 2018 | 05 Nov 2018 | 001-13601 |
| 4/A | Open 4/A document | View SEC filing for 4/A | FORM 4/A SUBMISSION | 11 Sep 2018 | 07 Sep 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Sep 2018 | 07 Sep 2018 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q 06-30-18 | 03 Aug 2018 | 30 Jun 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Aug 2018 | 02 Aug 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Jul 2018 | 27 Jul 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 20 Jul 2018 | 19 Jul 2018 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Jun 2018 | 005-52075 | ||
| SD | Open SD document | View SEC filing for SD | SD | 22 May 2018 | 001-13601 | |
| SC 13D/A | Open SC 13D/A document | View SEC filing for SC 13D/A | 15 May 2018 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q-20180331 | 04 May 2018 | 31 Mar 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 04 May 2018 | 03 May 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 24 Apr 2018 | 24 Apr 2018 | 001-13601 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | APRIL 23, 2018 | 23 Apr 2018 | 005-52075 | |
| SC 13D | Open SC 13D document | View SEC filing for SC 13D | SC 13D FILING STATEMENT | 03 Apr 2018 | 005-52075 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Mar 2018 | 27 Feb 2018 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 15 Feb 2018 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2018 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2018 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 12 Feb 2018 | 07 Feb 2018 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 08 Feb 2018 | 07 Feb 2018 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 08 Feb 2018 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Feb 2018 | 07 Feb 2018 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Feb 2018 | 31 Dec 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Feb 2018 | 06 Feb 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Jan 2018 | 29 Jan 2018 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 19 Jan 2018 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 03 Jan 2018 | 07 Feb 2018 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 15 Dec 2017 | 14 Dec 2017 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 11 Dec 2017 | 07 Dec 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 06 Dec 2017 | 06 Dec 2017 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | GEOS-10K-093017 | 01 Dec 2017 | 30 Sep 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Dec 2017 | 30 Nov 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Nov 2017 | 16 Nov 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 17 Nov 2017 | 17 Nov 2017 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2017 | 16 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2017 | 16 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2017 | 16 Nov 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 17 Nov 2017 | 16 Nov 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 27 Oct 2017 | 25 Oct 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Sep 2017 | 21 Sep 2017 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | GEOS-10Q-20170630 | 04 Aug 2017 | 30 Jun 2017 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 04 Aug 2017 | 03 Aug 2017 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 26 Jul 2017 | 25 Jul 2017 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Jun 2017 | 02 Jun 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 02 Jun 2017 | 31 May 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 15 May 2017 | 15 May 2017 | |
| SD | Open SD document | View SEC filing for SD | SD | 11 May 2017 | 001-13601 | |
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | 8-K/A | 10 May 2017 | 09 Feb 2017 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 May 2017 | 31 Mar 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 May 2017 | 04 May 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 21 Apr 2017 | 21 Apr 2017 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 10 Feb 2017 | 09 Feb 2017 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 10 Feb 2017 | 09 Feb 2017 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Feb 2017 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 09 Feb 2017 | 31 Dec 2016 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 Feb 2017 | 08 Feb 2017 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Jan 2017 | 27 Jan 2017 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Jan 2017 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Jan 2017 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 28 Dec 2016 | 09 Feb 2017 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Nov 2016 | 16 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Nov 2016 | 16 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Nov 2016 | 16 Nov 2016 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 18 Nov 2016 | 16 Nov 2016 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Nov 2016 | 16 Nov 2016 | 001-13601 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 17 Nov 2016 | 30 Sep 2016 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Nov 2016 | 07 Nov 2016 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Sep 2016 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Aug 2016 | 30 Jun 2016 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Aug 2016 | 04 Aug 2016 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 25 Jul 2016 | 22 Jul 2016 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Jun 2016 | 005-52075 | ||
| SD | Open SD document | View SEC filing for SD | SD | 20 May 2016 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 May 2016 | 31 Mar 2016 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 06 May 2016 | 05 May 2016 | 001-13601 |
| 8-K | Open 8-K document | Open XBRL data | View SEC filing for 8-K | 8-K | 21 Apr 2016 | 20 Apr 2016 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 29 Feb 2016 | 26 Feb 2016 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 16 Feb 2016 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 12 Feb 2016 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2016 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 05 Feb 2016 | 04 Feb 2016 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Feb 2016 | 04 Feb 2016 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 04 Feb 2016 | 31 Dec 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Feb 2016 | 03 Feb 2016 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 01 Feb 2016 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2016 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2016 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 Jan 2016 | 26 Jan 2016 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2016 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 11 Jan 2016 | 11 Jan 2016 | 001-13601 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 23 Dec 2015 | 04 Feb 2016 | 001-13601 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 30 Nov 2015 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Nov 2015 | 24 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 23 Nov 2015 | 23 Nov 2015 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 SUBMISSION | 20 Nov 2015 | 18 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2015 | 18 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2015 | 18 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2015 | 18 Nov 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 20 Nov 2015 | 18 Nov 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 20 Nov 2015 | 17 Nov 2015 | 001-13601 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 19 Nov 2015 | 30 Sep 2015 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 19 Nov 2015 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 10 Nov 2015 | 10 Nov 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 02 Oct 2015 | 01 Oct 2015 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2015 | 30 Jun 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Aug 2015 | 06 Aug 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 24 Jul 2015 | 24 Jul 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 26 May 2015 | 07 May 2015 | 001-13601 |
| SD | Open SD document | View SEC filing for SD | FORM SD | 20 May 2015 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2015 | 31 Mar 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 May 2015 | 07 May 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 28 Apr 2015 | 28 Apr 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Apr 2015 | 16 Apr 2015 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 07 Apr 2015 | 06 Apr 2015 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Mar 2015 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 24 Feb 2015 | 23 Feb 2015 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 13 Feb 2015 | 12 Feb 2015 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 13 Feb 2015 | 12 Feb 2015 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 13 Feb 2015 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Feb 2015 | 005-52075 | ||
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 Feb 2015 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 05 Feb 2015 | 05 Feb 2015 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 05 Feb 2015 | 31 Dec 2014 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Feb 2015 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 22 Jan 2015 | 22 Jan 2015 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 15 Jan 2015 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | GEOSPACE TECHNOLOGIES CORP. | 08 Jan 2015 | 005-52075 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 30 Dec 2014 | 12 Feb 2015 | 001-13601 |
| PRE 14A | Open PRE 14A document | View SEC filing for PRE 14A | PRELIMINARY PROXY STATEMENT | 12 Dec 2014 | 12 Feb 2015 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | FORM 4 SUBMISSION | 05 Dec 2014 | 04 Dec 2014 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 05 Dec 2014 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 03 Dec 2014 | 01 Dec 2014 | 001-13601 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 21 Nov 2014 | 30 Sep 2014 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 21 Nov 2014 | 20 Nov 2014 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 17 Nov 2014 | 13 Nov 2014 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Nov 2014 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 01 Oct 2014 | 01 Oct 2014 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 07 Aug 2014 | 30 Jun 2014 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 07 Aug 2014 | 06 Aug 2014 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 23 Jul 2014 | 23 Jul 2014 | 001-13601 |
| SD | Open SD document | View SEC filing for SD | SD | 02 Jun 2014 | 001-13601 | |
| S-8 | Open S-8 document | View SEC filing for S-8 | S-8 | 21 May 2014 | 333-196149 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 08 May 2014 | 31 Mar 2014 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 08 May 2014 | 07 May 2014 | 001-13601 |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 06 May 2014 | |||
| 10-Q/A | Open 10-Q/A document | View SEC filing for 10-Q/A | 10-Q/A | 02 May 2014 | 31 Dec 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 8-K | 30 Apr 2014 | 30 Apr 2014 | 001-13601 |
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 17 Apr 2014 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 09 Apr 2014 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 28 Mar 2014 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | 21 Mar 2014 | 21 Mar 2014 | 001-13601 | |
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 21 Mar 2014 | |||
| 8-K | Open 8-K document | View SEC filing for 8-K | 06 Mar 2014 | 06 Mar 2014 | 001-13601 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 13 Feb 2014 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM OF RESTRICTED STOCK AWARD AGREEMENT | 12 Feb 2014 | 06 Feb 2014 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 11 Feb 2014 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 10 Feb 2014 | 06 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 10 Feb 2014 | 06 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 10 Feb 2014 | 06 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 10 Feb 2014 | 06 Feb 2014 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 10 Feb 2014 | 06 Feb 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 10 Feb 2014 | 06 Feb 2014 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 10 Feb 2014 | 06 Feb 2014 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 06 Feb 2014 | 05 Feb 2014 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | 10-Q | 06 Feb 2014 | 31 Dec 2013 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 30 Jan 2014 | 005-52075 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Jan 2014 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 18 Dec 2013 | 18 Dec 2013 | 001-13601 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 11 Dec 2013 | 11 Dec 2013 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 25 Nov 2013 | 21 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 25 Nov 2013 | 25 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 25 Nov 2013 | 25 Nov 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | RESTRICTED STOCK GRANT | 25 Nov 2013 | 25 Nov 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 22 Nov 2013 | 22 Nov 2013 | 001-13601 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | 10-K | 22 Nov 2013 | 30 Sep 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 15 Nov 2013 | 15 Nov 2013 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 29 Oct 2013 | 29 Oct 2013 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 11 Oct 2013 | 11 Oct 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Oct 2013 | 27 Sep 2013 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | RICE EXERCISE OF OPTIONS | 11 Sep 2013 | 10 Sep 2013 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 Sep 2013 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | ADAMS SALE | 29 Aug 2013 | 28 Aug 2013 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 20 Aug 2013 | 20 Aug 2013 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | 15 Aug 2013 | 13 Aug 2013 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 09 Aug 2013 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 07 Aug 2013 | 06 Aug 2013 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Aug 2013 | 30 Jun 2013 | 001-13601 |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | FORM DEF 14A | 22 Jul 2013 | 20 Aug 2013 | 001-13601 |
| PRE 14A | Open PRE 14A document | View SEC filing for PRE 14A | PRE 14A | 11 Jul 2013 | 11 Jul 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 11 Jul 2013 | 11 Jul 2013 | 001-13601 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | 11 Jul 2013 | 001-13601 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEF 14A | 14 Jun 2013 | 16 Jul 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 06 Jun 2013 | 30 May 2013 | 001-13601 | |
| PRE 14A | Open PRE 14A document | View SEC filing for PRE 14A | PRE 14A | 03 Jun 2013 | 09 Jul 2013 | 001-13601 |
| 3 | Open 3 document | View SEC filing for 3 | 13 May 2013 | 02 May 2013 | ||
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 10 May 2013 | 005-52075 | ||
| 8-K/A | Open 8-K/A document | View SEC filing for 8-K/A | 06 May 2013 | 03 May 2013 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 03 May 2013 | 02 May 2013 | 001-13601 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 May 2013 | 31 Mar 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 27 Feb 2013 | 22 Feb 2013 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | RESULTS OF 2013 ANNUAL MEETING | 22 Feb 2013 | 21 Feb 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 21 Feb 2013 | 21 Feb 2013 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | WHEELER EXERCISE OF OPTIONS | 21 Feb 2013 | 19 Feb 2013 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 14 Feb 2013 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | G. OWENS OPTION EXERCISE | 13 Feb 2013 | 11 Feb 2013 | |
| 4 | Open 4 document | View SEC filing for 4 | T. MCENTIRE STOCK OPTION EXERCISE | 13 Feb 2013 | 11 Feb 2013 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 13 Feb 2013 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 08 Feb 2013 | 06 Feb 2013 | 001-13601 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 08 Feb 2013 | 005-52075 | ||
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 07 Feb 2013 | 31 Dec 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 04 Feb 2013 | 04 Feb 2013 | 001-13601 | |
| DEFA14A | Open DEFA14A document | View SEC filing for DEFA14A | DEFINITIVE ADDITIONAL MATERIALS | 04 Feb 2013 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 01 Feb 2013 | 01 Feb 2013 | 001-13601 | |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 29 Jan 2013 | 005-52075 | ||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 17 Jan 2013 | |||
| CORRESP | Open CORRESP document | View SEC filing for CORRESP | 16 Jan 2013 | |||
| UPLOAD | Open UPLOAD document | View SEC filing for UPLOAD | 15 Jan 2013 | |||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 04 Jan 2013 | 21 Feb 2013 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 28 Dec 2012 | 27 Dec 2012 | 001-13601 | |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K FOR FISCAL YEAR ENDED SEPTEMBER 30, 2012 | 12 Dec 2012 | 30 Sep 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 11 Dec 2012 | 11 Dec 2012 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | M. SHEEN EXERCISE OF OPTIONS | 07 Dec 2012 | 05 Dec 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 05 Dec 2012 | 10 Apr 2012 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 05 Dec 2012 | 05 Dec 2012 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | STATOIL SIGNING PRESS RELEASE | 14 Nov 2012 | 14 Nov 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | STATOIL AWARD LETTER PRESS RELEASE | 07 Nov 2012 | 07 Nov 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | SAE SALE PRESS RELEASE | 05 Nov 2012 | 05 Nov 2012 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN SALE OF STOCK | 05 Nov 2012 | 25 Oct 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | RICHARD WHITE RESIGNATION | 30 Oct 2012 | 25 Oct 2012 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | M. SHEEN EXERCISE OF OPTIONS | 24 Oct 2012 | 22 Oct 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 17 Oct 2012 | 17 Oct 2012 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 05 Oct 2012 | 05 Oct 2012 | 001-13601 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Oct 2012 | 27 Sep 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 28 Sep 2012 | 28 Sep 2012 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 14 Sep 2012 | 12 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | M. SHEEN EXERCISE OF OPTIONS | 10 Sep 2012 | 07 Sep 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | RICE EXERCISE OF OPTIONS | 10 Sep 2012 | 07 Sep 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 05 Sep 2012 | 04 Sep 2012 | 001-13601 | |
| 4 | Open 4 document | View SEC filing for 4 | ADAMS SALE | 13 Aug 2012 | 10 Aug 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | 09 Aug 2012 | 08 Aug 2012 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | THIRD QUARTER 2012 EARNINGS RELEASE | 03 Aug 2012 | 03 Aug 2012 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 03 Aug 2012 | 30 Jun 2012 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN SALE OF STOCK | 31 Jul 2012 | 27 Jul 2012 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 10 Jul 2012 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | ADAMS SALE OF STOCK | 30 May 2012 | 30 May 2012 | |
| 3 | Open 3 document | View SEC filing for 3 | WHEELER FORM 3 | 30 May 2012 | 01 Jan 2012 | |
| 3 | Open 3 document | View SEC filing for 3 | FORM 3 | 30 May 2012 | 01 Jan 2012 | |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q | 04 May 2012 | 31 Mar 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | SECOND QUARTER 2012 EARNINGS RELEASE | 04 May 2012 | 03 May 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | SECOND AMENDMENT TO LOAN AGREEMENT | 26 Apr 2012 | 24 Apr 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | EARNINGS RELEASE DATE | 19 Apr 2012 | 19 Apr 2012 | 001-13601 |
| 3 | Open 3 document | View SEC filing for 3 | LANGTRY FORM 3 | 11 Apr 2012 | 10 Apr 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 2012 ANNUAL MEETING REMARKS | 10 Apr 2012 | 10 Apr 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | TGC SALE PRESS RELEASE | 09 Apr 2012 | 09 Apr 2012 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | SCHEDULE 13G AMENDMENT NO. 10 | 24 Feb 2012 | 005-52075 | |
| 4 | Open 4 document | View SEC filing for 4 | KANEMORI 2012 OFFERING | 24 Feb 2012 | 22 Feb 2012 | |
| 4 | Open 4 document | View SEC filing for 4 | OYO CORPORATION 2012 OFFERING | 24 Feb 2012 | 22 Feb 2012 | |
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 23 Feb 2012 | 10 Apr 2012 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | OYO CORPORATION U.S.A. 2012 OFFERING | 22 Feb 2012 | 22 Feb 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | OFFERING CLOSED | 22 Feb 2012 | 22 Feb 2012 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | PRICING OF OFFERING; UNDERWRITING AGREEMENT | 16 Feb 2012 | 15 Feb 2012 | 001-13601 |
| 424B1 | Open 424B1 document | View SEC filing for 424B1 | DEFINITIVE PROSPECTUS SUPPLEMENT | 16 Feb 2012 | 333-177964 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | SHELL CONTRACT PRESS RELEASE | 15 Feb 2012 | 14 Feb 2012 | 001-13601 |
| FWP | Open FWP document | View SEC filing for FWP | FREE WRITING PROSPECTUS | 14 Feb 2012 | 333-177964 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | OFFERING LAUNCH | 13 Feb 2012 | 13 Feb 2012 | 001-13601 |
| 424B4 | Open 424B4 document | View SEC filing for 424B4 | PRELIMINARY PROSPECTUS SUPPLEMENT | 13 Feb 2012 | 333-177964 | |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 09 Feb 2012 | 005-52075 | ||
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS FEB 2 2012 | 03 Feb 2012 | 03 Feb 2012 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FIRST QUARTER 2012 EARNINGS | 02 Feb 2012 | 02 Feb 2012 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q FOR QUARTERLY PERIOD ENDED DECEMBER 31, 2011 | 02 Feb 2012 | 31 Dec 2011 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 30 Jan 2012 | 27 Jan 2012 | 001-13601 |
| 10-K/A | Open 10-K/A document | View SEC filing for 10-K/A | AMENDMENT NO. 1 TO FORM 10-K FOR FISCAL YEAR ENDED SEPTEMBER 30, 2011 | 27 Jan 2012 | 30 Sep 2011 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 25 Jan 2012 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | TGC ORDER | 12 Jan 2012 | 12 Jan 2012 | 001-13601 |
| EFFECT | Open EFFECT document | View SEC filing for EFFECT | 09 Dec 2011 | 333-177964 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | EARNINGS RELEASE; APPOINTMENT OF ADAMS AND WHEELER | 09 Dec 2011 | 08 Dec 2011 | 001-13601 |
| 10-K | Open 10-K document | Open XBRL data | View SEC filing for 10-K | FORM 10-K | 09 Dec 2011 | 30 Sep 2011 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | PRESS RELEASE | 22 Nov 2011 | 22 Nov 2011 | 001-13601 |
| S-3 | Open S-3 document | View SEC filing for S-3 | FORM S-3 | 14 Nov 2011 | 333-177964 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 2011 THIRD QUARTER EARNINGS | 05 Aug 2011 | 05 Aug 2011 | 001-13601 |
| 10-Q | Open 10-Q document | Open XBRL data | View SEC filing for 10-Q | FORM 10-Q FOR QUARTERLY PERIOD ENDED JUNE 30, 2011 | 05 Aug 2011 | 30 Jun 2011 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 14 Jul 2011 | 13 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN SALE OF STOCK | 14 Jul 2011 | 13 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 13 Jul 2011 | 11 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN SALE OF STOCK | 13 Jul 2011 | 11 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN SALE OF STOCK | 11 Jul 2011 | 07 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | 11 Jul 2011 | 07 Jul 2011 | ||
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 11 Jul 2011 | 07 Jul 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | PRESS RELEASE RE SALE PRODUCTS | 07 Jul 2011 | 07 Jul 2011 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 07 Jul 2011 | 05 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 07 Jul 2011 | 05 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 07 Jul 2011 | 05 Jul 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 05 Jul 2011 | 30 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 30 Jun 2011 | 28 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 30 Jun 2011 | 28 Jun 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 30 Jun 2011 | 28 Jun 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | SECOND QUARTER EARNINGS | 06 May 2011 | 06 May 2011 | 001-13601 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 06 May 2011 | 31 Mar 2011 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 06 Apr 2011 | 04 Apr 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 06 Apr 2011 | 04 Apr 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 06 Apr 2011 | 04 Apr 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 10 Mar 2011 | 08 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 10 Mar 2011 | 08 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 10 Mar 2011 | 08 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 08 Mar 2011 | 04 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 08 Mar 2011 | 04 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 08 Mar 2011 | 04 Mar 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 08 Mar 2011 | 02 Mar 2011 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 04 Mar 2011 | 02 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 04 Mar 2011 | 02 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 04 Mar 2011 | 02 Mar 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 02 Mar 2011 | 28 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 02 Mar 2011 | 28 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 02 Mar 2011 | 28 Feb 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | FORM 8-K | 01 Mar 2011 | 24 Feb 2011 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 28 Feb 2011 | 24 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 28 Feb 2011 | 24 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 28 Feb 2011 | 24 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 24 Feb 2011 | 22 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 24 Feb 2011 | 22 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 24 Feb 2011 | 22 Feb 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 2011 ANNUAL MEETING REMARKS | 24 Feb 2011 | 24 Feb 2011 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 22 Feb 2011 | 17 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 22 Feb 2011 | 17 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 22 Feb 2011 | 17 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | MOODY EXERCISE OF OPTIONS | 09 Feb 2011 | 09 Feb 2011 | |
| 4 | Open 4 document | View SEC filing for 4 | DAVIS EXERCISE OF OPTIONS | 09 Feb 2011 | 09 Feb 2011 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | 2011 Q1 EARNINGS RELEASE | 04 Feb 2011 | 04 Feb 2011 | 001-13601 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q FOR QUARTERLY PERIOD ENDED DECEMBER 31, 2010 | 04 Feb 2011 | 31 Dec 2010 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 27 Jan 2011 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY STATEMENT | 04 Jan 2011 | 24 Feb 2011 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | PRESS RELEASE | 04 Jan 2011 | 04 Jan 2011 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 2010 YEAR END EARNINGS PRESS RELEASE | 10 Dec 2010 | 10 Dec 2010 | 001-13601 |
| 10-K | Open 10-K document | View SEC filing for 10-K | FORM 10-K FOR FISCAL YEAR ENDED SEPTEMBER 30, 2010 | 10 Dec 2010 | 30 Sep 2010 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | PRESS RELEASE RE NEW CONTRACTS | 07 Oct 2010 | 06 Oct 2010 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 21 Sep 2010 | 17 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 21 Sep 2010 | 17 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 21 Sep 2010 | 17 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 17 Sep 2010 | 15 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 17 Sep 2010 | 15 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 17 Sep 2010 | 15 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 15 Sep 2010 | 13 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 15 Sep 2010 | 13 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 15 Sep 2010 | 13 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 13 Sep 2010 | 09 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 13 Sep 2010 | 09 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 13 Sep 2010 | 09 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 08 Sep 2010 | 03 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 08 Sep 2010 | 03 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 08 Sep 2010 | 03 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 03 Sep 2010 | 01 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 03 Sep 2010 | 01 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 03 Sep 2010 | 01 Sep 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 31 Aug 2010 | 27 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 31 Aug 2010 | 27 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 31 Aug 2010 | 27 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 25 Aug 2010 | 23 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OPTIONS | 25 Aug 2010 | 23 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 25 Aug 2010 | 23 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | OWENS EXERCISE OF OPTIONS | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN EXERCISE OF OPTIONS | 20 Aug 2010 | 18 Aug 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | MCENTIRE EXERCISE OF OPTIONS | 20 Aug 2010 | 18 Aug 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | THIRD QUARTER EARNINGS RELEASE | 06 Aug 2010 | 06 Aug 2010 | 001-13601 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 06 Aug 2010 | 30 Jun 2010 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | SECOND QUARTER 2010 EARNINGS RELEASE | 07 May 2010 | 07 May 2010 | 001-13601 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q | 07 May 2010 | 31 Mar 2010 | 001-13601 |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN.FORM 4 | 23 Apr 2010 | 22 Apr 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN.FORM 4 | 22 Apr 2010 | 20 Apr 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN.FORM 4 | 20 Apr 2010 | 16 Apr 2010 | |
| 4 | Open 4 document | View SEC filing for 4 | SHEEN.SALE OF COMMON STOCK | 11 Mar 2010 | 09 Mar 2010 | |
| 8-K | Open 8-K document | View SEC filing for 8-K | PRESS RELEASE RE SEABED EQUIPMENT ORDER | 04 Mar 2010 | 04 Mar 2010 | 001-13601 |
| SC 13G | Open SC 13G document | View SEC filing for SC 13G | 26 Feb 2010 | 005-52075 | ||
| 8-K | Open 8-K document | View SEC filing for 8-K | 2010 ANNUAL MEETING REMARKS | 25 Feb 2010 | 25 Feb 2010 | 001-13601 |
| 8-K | Open 8-K document | View SEC filing for 8-K | 2010 Q1 EARNINGS RELEASE | 05 Feb 2010 | 05 Feb 2010 | 001-13601 |
| 10-Q | Open 10-Q document | View SEC filing for 10-Q | FORM 10-Q FOR QUARTERLY PERIOD ENDED DECEMBER 31, 2009 | 05 Feb 2010 | 31 Dec 2009 | 001-13601 |
| SC 13G/A | Open SC 13G/A document | View SEC filing for SC 13G/A | 26 Jan 2010 | 005-52075 | ||
| DEF 14A | Open DEF 14A document | View SEC filing for DEF 14A | DEFINITIVE PROXY MATERIALS | 05 Jan 2010 | 25 Feb 2010 | 001-13601 |
GEOSPACE TECHNOLOGIES CORP files with the SEC under CIK 0001001115. This page aggregates EDGAR filings and related ownership activity.
Industry: Measuring & Controlling Devices, Nec.