A business in context

SMMT research notebook

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

Research JSON

Filing timeline

Download filings CSV

SEC submissions · retrieved 2026-10-22 · 8029 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. DEF 14A · Proxy statement

    Report date 2026-11-04 · 0001193125-26-424642

  2. 4 · Ownership change

    Report date 2026-10-08 · 0001890784-26-000006

  3. 8-K · Current report

    Report date 2026-09-28 · 0001193125-26-405776 · Items 1.01,3.02,5.03,8.01,9.01

  4. 8-K · Current report

    Report date 2026-09-15 · 0001599298-26-000081 · Items 8.01,9.01

  5. 8-K · Current report

    Report date 2026-09-13 · 0001599298-26-000078 · Items 8.01,9.01

  6. 8-K · Current report

    Report date 2026-09-02 · 0001599298-26-000076 · Items 8.01,9.01

  7. 8-K · Current report

    Report date 2026-08-25 · 0001599298-26-000074 · Items 8.01,9.01

  8. 8-K · Current report

    Report date 2026-08-05 · 0001599298-26-000071 · Items 8.01,9.01

  9. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001599298-26-000068

  10. 8-K · Current report

    Report date 2026-07-23 · 0001599298-26-000067 · Items 2.02,7.01,9.01

  11. 8-K · Current report

    Report date 2026-07-23 · 0001193125-26-314214 · Items 1.01,9.01

  12. 8-K · Current report

    Report date 2026-07-22 · 0001599298-26-000058 · Items 8.01,9.01

  13. 8-K · Current report

    Report date 2026-06-10 · 0001599298-26-000054 · Items 5.07

  14. 4 · Ownership change

    Report date 2026-06-12 · 0001507650-26-000007

  15. 4 · Ownership change

    Report date 2026-06-12 · 0001055919-26-000007

  16. 8-K · Current report

    Report date 2026-06-10 · 0001599298-26-000052 · Items 7.01

  17. 4 · Ownership change

    Report date 2026-06-04 · 0001569769-26-000004

  18. 4 · Ownership change

    Report date 2026-06-04 · 0001507650-26-000005

  19. 4 · Ownership change

    Report date 2026-06-04 · 0001055919-26-000005

  20. 8-K · Current report

    Report date 2026-06-02 · 0001599298-26-000049 · Items 8.01

  21. 8-K · Current report

    Report date 2026-05-30 · 0001599298-26-000043 · Items 8.01,9.01

  22. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001599298-26-000039

  23. 8-K · Current report

    Report date 2026-04-30 · 0001599298-26-000037 · Items 2.02,9.01

  24. DEF 14A · Proxy statement

    Report date 2026-04-17 · 0001599298-26-000029

  25. 10-K · Annual report

    Report date 2025-12-31 · 0001599298-26-000015

  26. 8-K · Current report

    Report date 2026-02-23 · 0001599298-26-000014 · Items 2.02,7.01,9.01

  27. 8-K · Current report

    Report date 2026-01-29 · 0001599298-26-000006 · Items 8.01,9.01

  28. 4 · Ownership change

    Report date 2026-01-08 · 0001890784-26-000003

  29. 8-K · Current report

    Report date 2026-01-12 · 0001599298-26-000004 · Items 2.02,7.01,9.01

  30. 4 · Ownership change

    Report date 2026-01-02 · 0001963544-26-000002

  31. 8-K · Current report

    Report date 2025-11-07 · 0001599298-25-000166 · Items 8.01,9.01

  32. 8-K · Current report

    Report date 2025-10-21 · 0001193125-25-245790 · Items 1.01,3.02,7.01,9.01

  33. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001599298-25-000159

  34. 8-K · Current report

    Report date 2025-10-17 · 0001599298-25-000156 · Items 2.02,8.01,9.01

  35. 8-K · Current report

    Report date 2025-09-07 · 0001599298-25-000137 · Items 8.01,9.01

  36. 8-K · Current report

    Report date 2025-08-11 · 0001599298-25-000128 · Items 2.02,9.01

  37. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001599298-25-000126

  38. 8-K · Current report

    Report date 2025-08-11 · 0001193125-25-178022 · Items 1.01,9.01

  39. 8-K · Current report

    Report date 2025-06-16 · 0001599298-25-000120 · Items 1.01

  40. 8-K · Current report

    Report date 2025-06-12 · 0001599298-25-000116 · Items 5.07

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 · 0001599298Summit Therapeutics 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
  • Summit Therapeutics plc · former SEC name · 2014-12-31 to 2020-09-17
  • Summit Corp plc · former SEC name · 2014-03-04 to 2015-01-30

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
2024-12-31$0$0
2023-12-31$0$0
2022-12-31$705.0K$811.5K
2021-12-31$1.81M$2.25M
2020-12-31$860.0K$1.12M
2019-01-31$57.09M$76.50M

Bureau of Labor Statistics · retrieved 2026-10-22 · 9 selected series; gaps remain missing

Explore the CPI history ↗