GEOSPACE TECHNOLOGIES CORP (GEOS) Form 8-K Material Events
GEOSPACE TECHNOLOGIES CORP (GEOS) is a publicly traded company on the Nasdaq, categorized under SIC 3829 (Measuring & Controlling Devices, NEC). Access real-time SEC filings, 10-K annual reports, 10-Q quarterlies, 8-K current reports, PCAOB auditor history, and executive compensation disclosures.
Ticker: GEOS
CIK: 1001115
Exchange: Nasdaq
SIC 3829: Measuring & Controlling Devices, NEC
Fiscal Year End: 09/30
State: TX
Independent PCAOB Auditor
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Audit Firm
RSM US LLP
Auditor SinceSince 9/30/2018 12:00:00 AM
Lead Engagement PartnerPatrick McConnell
Audit LocationHouston, Texas, United States
Latest SEC EDGAR Filings
Showing 10-K, 10-Q, 8-K, Form 4, and other SEC submissions| Form | Filing Date | Reporting Period | Description | Accession Number | Actions |
|---|---|---|---|---|---|
| SCHEDULE 13G | 2026-10-07 | — | SCHEDULE 13G Filing | 0000903064-26-000009 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-08-14 | — | SCHEDULE 13G/A Filing | 0001050442-26-000031 | View SEC Doc Filr Page |
| 10-Q | 2026-08-07 | 2026-06-30 | FORM 10-Q | 0001437749-26-026485 | View SEC Doc Filr Page |
| 8-K | 2026-08-07 | 2026-08-06 | FORM 8-K | 0001437749-26-026445 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-07-31 | — | SCHEDULE 13G/A Filing | 0002100119-26-001397 | View SEC Doc Filr Page |
| SD | 2026-05-19 | — | FORM SD | 0001437749-26-017786 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-05-15 | — | SCHEDULE 13G/A Filing | 0001050442-26-000015 | View SEC Doc Filr Page |
| 10-Q | 2026-05-08 | 2026-03-31 | FORM 10-Q | 0001437749-26-015836 | View SEC Doc Filr Page |
| 8-K | 2026-05-07 | 2026-05-07 | FORM 8-K | 0001437749-26-015666 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-04-29 | — | SCHEDULE 13G Filing | 0002100119-26-000533 | View SEC Doc Filr Page |
| 8-K | 2026-04-06 | 2026-04-02 | FORM 8-K | 0001437749-26-011402 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-03-26 | — | SCHEDULE 13G/A Filing | 0000102909-26-001309 | View SEC Doc Filr Page |
| SCHEDULE 13G/A | 2026-02-17 | — | SCHEDULE 13G/A Filing | 0001050442-26-000005 | View SEC Doc Filr Page |
| 10-Q | 2026-02-12 | 2025-12-31 | FORM 10-Q | 0001437749-26-003977 | View SEC Doc Filr Page |
| 4 | 2026-02-09 | 2026-02-09 | FORM 4 | 0001437749-26-003437 | View SEC Doc Filr Page |
| 4 | 2026-02-09 | 2026-02-09 | FORM 4 | 0001437749-26-003435 | View SEC Doc Filr Page |
| 4 | 2026-02-09 | 2026-02-09 | FORM 4 | 0001437749-26-003433 | View SEC Doc Filr Page |
| 4 | 2026-02-09 | 2026-02-09 | FORM 4 | 0001437749-26-003431 | View SEC Doc Filr Page |
| 4 | 2026-02-09 | 2026-02-09 | FORM 4 | 0001437749-26-003430 | View SEC Doc Filr Page |
| 4 | 2026-02-09 | 2026-02-09 | FORM 4 | 0001437749-26-003429 | View SEC Doc Filr Page |
| NT 10-Q | 2026-02-09 | 2025-12-31 | FORM NT 10-Q | 0001437749-26-003426 | View SEC Doc Filr Page |
| 8-K | 2026-02-05 | 2026-02-05 | FORM 8-K | 0001437749-26-003153 | View SEC Doc Filr Page |
| 8-K | 2026-02-04 | 2026-02-04 | FORM 8-K | 0001437749-26-003016 | View SEC Doc Filr Page |
| SCHEDULE 13G | 2026-01-30 | — | SCHEDULE 13G Filing | 0000102909-26-000214 | View SEC Doc Filr Page |
| DEF 14A | 2025-12-23 | 2026-02-05 | FORM DEF 14A | 0001437749-25-038638 | View SEC Doc Filr Page |