A business in context

GEOS research notebook

Read the disclosures. Follow the relationships. Keep the dates in view.

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-20 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001437749-26-026485

  2. 8-K · Current report

    Report date 2026-08-06 · 0001437749-26-026445 · Items 2.02,9.01

  3. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001437749-26-015836

  4. 8-K · Current report

    Report date 2026-05-07 · 0001437749-26-015666 · Items 2.02,9.01

  5. 8-K · Current report

    Report date 2026-04-02 · 0001437749-26-011402 · Items 2.05,9.01

  6. 10-Q · Quarterly report

    Report date 2025-12-31 · 0001437749-26-003977

  7. 4 · Ownership change

    Report date 2026-02-09 · 0001437749-26-003437

  8. 4 · Ownership change

    Report date 2026-02-09 · 0001437749-26-003435

  9. 4 · Ownership change

    Report date 2026-02-09 · 0001437749-26-003433

  10. 4 · Ownership change

    Report date 2026-02-09 · 0001437749-26-003431

  11. 4 · Ownership change

    Report date 2026-02-09 · 0001437749-26-003430

  12. 4 · Ownership change

    Report date 2026-02-09 · 0001437749-26-003429

  13. 8-K · Current report

    Report date 2026-02-05 · 0001437749-26-003153 · Items 5.07

  14. 8-K · Current report

    Report date 2026-02-04 · 0001437749-26-003016 · Items 2.02,9.01

  15. DEF 14A · Proxy statement

    Report date 2026-02-05 · 0001437749-25-038638

  16. 4 · Ownership change

    Report date 2025-12-05 · 0001437749-25-036999

  17. 4 · Ownership change

    Report date 2025-12-05 · 0001437749-25-036998

  18. 10-K · Annual report

    Report date 2025-09-30 · 0001437749-25-036009

  19. 8-K · Current report

    Report date 2025-11-20 · 0001437749-25-035875 · Items 2.02,9.01

  20. 8-K · Current report

    Report date 2025-08-29 · 0001001115-25-000003 · Items 1.01,2.03,9.01

  21. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001437749-25-025683

  22. 8-K · Current report

    Report date 2025-08-07 · 0001437749-25-025555 · Items 2.02,9.01

  23. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001437749-25-015711

  24. 8-K · Current report

    Report date 2025-05-08 · 0001437749-25-015576 · Items 2.02,9.01

  25. 8-K · Current report

    Report date 2025-02-27 · 0001437749-25-006029 · Items 1.01,9.01

  26. 10-Q · Quarterly report

    Report date 2024-12-31 · 0001437749-25-003000

  27. 8-K · Current report

    Report date 2025-02-06 · 0001437749-25-002980 · Items 5.07

  28. 8-K · Current report

    Report date 2025-02-05 · 0001437749-25-002907 · Items 2.02,9.01

  29. 8-K · Current report

    Report date 2025-01-03 · 0001437749-25-000808 · Items 5.02,9.01

  30. DEF 14A · Proxy statement

    Report date 2025-02-06 · 0001437749-24-038442

  31. 8-K · Current report

    Report date 2024-11-21 · 0001437749-24-036219 · Items 5.02,9.01

  32. 10-K · Annual report

    Report date 2024-09-30 · 0001437749-24-036050

  33. 8-K · Current report

    Report date 2024-11-21 · 0001437749-24-035981 · Items 2.02,9.01

  34. SC 13G · Ownership disclosure

    0002012383-24-003670

  35. SC 13G · Ownership disclosure

    0002012383-24-001631

  36. 8-K · Current report

    Report date 2024-09-19 · 0001437749-24-029612 · Items 8.01,9.01

  37. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001437749-24-025790

  38. 8-K · Current report

    Report date 2024-08-08 · 0001437749-24-025605 · Items 2.02,5.02,8.01,9.01

  39. 10-K/A · Annual report

    Report date 2023-09-30 · 0001437749-24-021940

  40. 10-K/A · Annual report

    Report date 2022-09-30 · 0001437749-24-021939

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-15 · 2026 Q3: filings in this completed quarter; not a live transaction feed

Purchases and sales include open-market or private transactions. Grants, exercises and tax withholding are shown separately. Amendments and joint reports can overlap; rows are not a net-buying score. Prices retain the filing's units; consult its footnotes.

Transaction rows by code · counts, not monetary totals
Purchase: 0 transaction rows0PSale: 0 transaction rows0SGrant / award: 0 transaction rows0AExercise / conversion: 0 transaction rows0MTax / exercise payment: 0 transaction rows0FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

0 matching transaction rows.

No matching transaction rows in the covered quarter. This does not establish that no insider transactions occurred.

Identity & relationships

Wikidata structured data · retrieved 2026-10-15 · 1663 unambiguous CIK-linked entities; coverage is incomplete

These are sourced identity and relationship claims, with incomplete coverage. Headquarters locations do not describe sales, assets or operating exposure.

SEC issuer · 0001001115GEOSPACE TECHNOLOGIES CORP

No parent relationship is available in this import; this is not proof of independence.

No verified LEI join available.

GLEIF legal entity reference data · retrieved 2026-10-15 · 1199 checked identities; 0 unavailable records

Search names and former names
  • OYO GEOSPACE CORP · former SEC name · 1997-11-18 to 2012-10-01

Revenue in constant purchasing power

USD revenue expressed in 2026-09 consumer-price dollars. Each annual period uses a CPI-U average weighted by the days in its actual reporting interval. This is a purchasing-power comparison, not a company-specific price or volume measure.

Year endedReported USD revenueCPI-adjusted USD revenue
2025-09-30$110.80M$116.67M
2024-09-30$135.60M$146.64M
2023-09-30$124.51M$138.78M
2022-09-30$89.25M$104.52M
2021-09-30$94.86M$119.88M
2020-09-30$87.83M$114.70M
2019-09-30$95.81M$126.90M
2018-09-30$75.75M$102.19M

Bureau of Labor Statistics · retrieved 2026-10-20 · 9 selected series; gaps remain missing

Explore the CPI history ↗