A business in context

OST research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-23 · 8022 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 6-K · Current report

    Report date 2026-03-31 · 0001213900-26-069877

  2. 6-K · Current report

    Report date 2026-04-01 · 0001213900-26-038058

  3. 20-F · Annual report

    Report date 2025-09-30 · 0001213900-26-007702

  4. 6-K · Current report

    Report date 2026-01-08 · 0001213900-26-002527

  5. 6-K · Current report

    Report date 2025-11-13 · 0001213900-25-109958

  6. 6-K · Current report

    Report date 2025-10-21 · 0001213900-25-100708

  7. 6-K · Current report

    Report date 2025-09-26 · 0001213900-25-092424

  8. 6-K · Current report

    Report date 2025-08-06 · 0001213900-25-072546

  9. 6-K · Current report

    Report date 2025-07-18 · 0001213900-25-065649

  10. 6-K/A · Current report

    Report date 2025-07-10 · 0001213900-25-062536

  11. 6-K · Current report

    Report date 2025-07-03 · 0001213900-25-061386

  12. 6-K · Current report

    Report date 2025-06-30 · 0001213900-25-060348

  13. 6-K · Current report

    Report date 2025-03-31 · 0001213900-25-059284

  14. 6-K · Current report

    Report date 2025-05-12 · 0001213900-25-042085

  15. 6-K · Current report

    Report date 2025-05-02 · 0001213900-25-039186

  16. 6-K · Current report

    Report date 2025-04-16 · 0001213900-25-032330

  17. 6-K · Current report

    Report date 2025-04-09 · 0001213900-25-030341

  18. 6-K · Current report

    Report date 2025-04-01 · 0001213900-25-027225

  19. 6-K · Current report

    Report date 2025-03-21 · 0001013762-25-001060

  20. 6-K · Current report

    Report date 2025-02-14 · 0001213900-25-013776

  21. 20-F · Annual report

    Report date 2024-09-30 · 0001213900-25-007016

  22. 6-K · Current report

    Report date 2025-01-23 · 0001213900-25-006052

  23. 6-K · Current report

    Report date 2025-01-17 · 0001213900-25-005102

  24. 6-K/A · Current report

    Report date 2024-12-23 · 0001213900-24-112018

  25. 6-K · Current report

    Report date 2024-12-20 · 0001213900-24-110728

  26. 6-K · Current report

    Report date 2024-11-27 · 0001213900-24-103497

  27. 6-K · Current report

    Report date 2024-11-08 · 0001213900-24-095935

  28. 6-K · Current report

    Report date 2024-10-04 · 0001213900-24-085210

  29. 6-K · Current report

    Report date 2024-03-31 · 0001213900-24-072336

  30. 6-K · Current report

    Report date 2024-07-24 · 0001013762-24-000739

  31. 6-K · Current report

    Report date 2024-06-27 · 0001213900-24-056684

  32. 6-K · Current report

    Report date 2024-04-02 · 0001213900-24-029356

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-10-23 · 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 2026-10-23 · 1658 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 · 0001803407Ostin Technology Group Co., Ltd.

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 2026-10-23 · 1197 checked identities; 0 unavailable records

Search names and former names

    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$39.68M$41.78M
    2024-09-30$32.46M$35.11M
    2023-09-30$57.53M$64.12M
    2022-09-30$105.42M$123.45M
    2021-09-30$167.74M$211.98M
    2020-09-30$140.07M$182.92M

    Bureau of Labor Statistics · retrieved 2026-10-23 · 9 selected series; gaps remain missing

    Explore the CPI history ↗