A business in context

IWSH 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 · 0001214659-26-010297

  2. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001214659-26-006349

  3. 10-K/A · Annual report

    Report date 2025-12-31 · 0001214659-26-004908

  4. 10-K · Annual report

    Report date 2025-12-31 · 0001214659-26-003984

  5. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001214659-25-016507

  6. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001214659-25-011922

  7. 10-Q · Quarterly report

    Report date 2025-03-31 · 0001214659-25-007745

  8. 10-K/A · Annual report

    Report date 2024-12-31 · 0001214659-25-006217

  9. 10-K · Annual report

    Report date 2024-12-31 · 0001214659-25-004885

  10. 10-Q · Quarterly report

    Report date 2024-09-30 · 0001214659-24-018777

  11. 10-Q · Quarterly report

    Report date 2024-06-30 · 0001214659-24-014287

  12. 10-Q · Quarterly report

    Report date 2024-03-31 · 0001214659-24-009356

  13. 10-K/A · Annual report

    Report date 2023-12-31 · 0001214659-24-007670

  14. 10-K · Annual report

    Report date 2023-12-31 · 0001214659-24-005261

  15. 10-Q · Quarterly report

    Report date 2023-09-30 · 0001214659-23-014855

  16. 10-Q · Quarterly report

    Report date 2023-06-30 · 0001214659-23-011063

  17. 10-Q · Quarterly report

    Report date 2023-03-31 · 0001214659-23-006913

  18. 10-K/A · Annual report

    Report date 2022-12-31 · 0001214659-23-006036

  19. 10-K · Annual report

    Report date 2022-12-31 · 0001214659-23-004306

  20. 4 · Ownership change

    Report date 2023-03-09 · 0001214659-23-003736

  21. 4 · Ownership change

    Report date 2023-03-09 · 0001214659-23-003735

  22. 10-Q · Quarterly report

    Report date 2022-09-30 · 0001214659-22-013607

  23. 10-Q · Quarterly report

    Report date 2022-06-30 · 0001214659-22-010093

  24. 10-Q · Quarterly report

    Report date 2022-03-31 · 0001214659-22-007055

  25. 4 · Ownership change

    Report date 2022-04-28 · 0001214659-22-006052

  26. 4 · Ownership change

    Report date 2022-04-28 · 0001214659-22-006051

  27. 10-K/A · Annual report

    Report date 2021-12-31 · 0001214659-22-005448

  28. 10-K · Annual report

    Report date 2021-12-31 · 0001214659-22-003876

  29. 10-Q · Quarterly report

    Report date 2021-09-30 · 0001214659-21-011509

  30. 10-Q · Quarterly report

    Report date 2021-06-30 · 0001214659-21-008355

  31. 4 · Ownership change

    Report date 2021-07-13 · 0001214659-21-007537

  32. 4 · Ownership change

    Report date 2021-07-13 · 0001214659-21-007536

  33. 10-Q · Quarterly report

    Report date 2021-03-31 · 0001214659-21-005276

  34. 10-K/A · Annual report

    Report date 2020-12-31 · 0001214659-21-004410

  35. 10-K · Annual report

    Report date 2020-12-31 · 0001214659-21-003065

  36. SC 13D/A · Ownership disclosure

    0001213900-21-002252

  37. SC 13D/A · Ownership disclosure

    0001214659-21-000038

  38. SC 13D/A · Ownership disclosure

    0001085146-21-000002

  39. 4 · Ownership change

    Report date 2020-12-30 · 0001085146-21-000001

  40. 4 · Ownership change

    Report date 2020-12-30 · 0001214659-20-010827

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 · 0001279715Wright Investors Service Holdings, Inc.

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
  • NATIONAL PATENT DEVELOPMENT CORP · former SEC name · 2004-02-12 to 2013-01-31

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
2017-12-31$5.41M$7.44M

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

Explore the CPI history ↗