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CMCSA research notebook

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Filing timeline

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SEC submissions · retrieved 2026-09-07 · 8010 issuers; up to 32 recent company reports and 8 ownership-change filings per issuer

  1. 4 · Ownership change

    Report date 2026-09-01 · 0001225208-26-007616

  2. 4 · Ownership change

    Report date 2026-09-01 · 0001225208-26-007615

  3. 4 · Ownership change

    Report date 2026-08-17 · 0001225208-26-007163

  4. 4 · Ownership change

    Report date 2026-08-05 · 0001225208-26-007023

  5. 10-Q · Quarterly report

    Report date 2026-06-30 · 0001628280-26-049360

  6. 8-K · Current report

    Report date 2026-07-23 · 0001628280-26-049274 · Items 2.02,9.01

  7. 4 · Ownership change

    Report date 2026-06-30 · 0001225208-26-006372

  8. 4 · Ownership change

    Report date 2026-06-30 · 0001225208-26-006371

  9. 4 · Ownership change

    Report date 2026-06-30 · 0001225208-26-006370

  10. 4 · Ownership change

    Report date 2026-06-30 · 0001225208-26-006369

  11. 8-K · Current report

    Report date 2026-06-29 · 0000950103-26-009591 · Items 8.01,9.01

  12. 8-K · Current report

    Report date 2026-06-10 · 0001628280-26-042848 · Items 5.07

  13. 8-K · Current report

    Report date 2026-06-03 · 0000950103-26-008429 · Items 8.01,9.01

  14. 8-K · Current report

    Report date 2026-06-02 · 0000950103-26-008329 · Items 8.01,9.01

  15. 8-K · Current report

    Report date 2026-05-27 · 0000950103-26-007759 · Items 8.01,9.01

  16. DEF 14A · Proxy statement

    Report date 2026-06-10 · 0001193125-26-177138

  17. 10-Q · Quarterly report

    Report date 2026-03-31 · 0001628280-26-026805

  18. 8-K · Current report

    Report date 2026-04-23 · 0001628280-26-026685 · Items 2.02,9.01

  19. 8-K · Current report

    Report date 2026-03-16 · 0001628280-26-017950 · Items 7.01,9.01

  20. 8-K · Current report

    Report date 2026-02-25 · 0001628280-26-012809 · Items 5.02

  21. 10-K · Annual report

    Report date 2025-12-31 · 0001628280-26-004994

  22. 8-K · Current report

    Report date 2026-01-29 · 0001628280-26-003964 · Items 2.02,9.01

  23. 8-K · Current report

    Report date 2026-01-02 · 0000950103-26-000079 · Items 8.01,9.01

  24. 8-K · Current report

    Report date 2025-12-19 · 0001628280-25-058790 · Items 5.02

  25. 8-K · Current report

    Report date 2025-12-16 · 0001628280-25-057396 · Items 7.01

  26. 8-K · Current report

    Report date 2025-12-15 · 0000950103-25-016136 · Items 3.02,5.03,9.01

  27. 8-K · Current report

    Report date 2025-12-03 · 0000950103-25-015694 · Items 8.01,9.01

  28. 10-Q · Quarterly report

    Report date 2025-09-30 · 0001166691-25-000054

  29. 8-K · Current report

    Report date 2025-10-30 · 0001166691-25-000052 · Items 2.02,9.01

  30. 8-K · Current report

    Report date 2025-10-09 · 0000950103-25-013042 · Items 2.03,8.01,9.01

  31. 8-K · Current report

    Report date 2025-10-08 · 0000950103-25-012953 · Items 8.01,9.01

  32. 8-K · Current report

    Report date 2025-10-06 · 0000950103-25-012851 · Items 8.01,9.01

  33. 8-K · Current report

    Report date 2025-10-02 · 0000950103-25-012777 · Items 2.03,8.01,9.01

  34. 8-K · Current report

    Report date 2025-10-01 · 0000950103-25-012613 · Items 8.01,9.01

  35. 8-K · Current report

    Report date 2025-09-29 · 0001628280-25-043014 · Items 5.02

  36. 8-K · Current report

    Report date 2025-09-29 · 0000950103-25-012356 · Items 8.01,9.01

  37. 8-K · Current report

    Report date 2025-09-26 · 0000950103-25-012296 · Items 8.01,9.01

  38. 8-K · Current report

    Report date 2025-09-22 · 0000950103-25-011924 · Items 8.01,9.01

  39. 8-K · Current report

    Report date 2025-08-22 · 0001166691-25-000041 · Items 7.01

  40. 10-Q · Quarterly report

    Report date 2025-06-30 · 0001166691-25-000036

Reported insider transactions

Download transactions CSV

SEC insider transactions · retrieved 2026-09-07 · 2026 Q2: 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: 5 transaction rows5AExercise / conversion: 2 transaction rows2MTax / exercise payment: 1 transaction rows1FGift: 2 transaction rows2G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

10 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-05-19
2026-05-20
ROBERTS BRIAN LG · Gift
Disposed
Class A Common Stock202500.00.0
2026-05-11
2026-05-12
BREEN EDWARD DG · Gift
Acquired
Class A Common Stock32440.00.0
2026-04-03
2026-04-03
Murdock Daniel C.M · Exercise / conversion
Acquired
Class A Common Stock5268.00.0
2026-04-03
2026-04-03
Murdock Daniel C.F · Tax / exercise payment
Disposed
Class A Common Stock2073.027.93
2026-04-03
2026-04-03
Murdock Daniel C.M · Exercise / conversion
Disposed
Restricted Stock Units
Derivative security
5268.00.0
2026-03-31
2026-04-02
Smith GordonA · Grant / award
Acquired
Class A Common Stock1176.00.0
2026-03-31
2026-04-02
Honickman Jeffrey AA · Grant / award
Acquired
Class A Common Stock1524.00.0
2026-03-31
2026-04-02
BREEN EDWARD DA · Grant / award
Acquired
Class A Common Stock697.00.0
2026-03-31
2026-04-02
Brady Louise F.A · Grant / award
Acquired
Class A Common Stock1176.00.0
2026-03-31
2026-04-02
Baltimore Thomas J JrA · Grant / award
Acquired
Class A Common Stock1176.00.0

Identity & relationships

Wikidata structured data · retrieved 2026-09-07 · 1611 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 · 0001166691COMCAST CORP
NbcuniversalSky GroupComcast Ventures

Showing 3 of 3 imported Wikidata subsidiary claims. Additional aliases appear below.

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

Legal Entity Identifier
51M0QTTNCGUN7KFCFZ59
GLEIF legal name
COMCAST CORPORATION
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-05-04T14:19:01Z

direct-parent: no parent LEI supplied

ultimate-parent: no parent LEI supplied

GLEIF legal entity reference data · retrieved 2026-09-07 · 1177 checked identities; 0 unavailable records

Search names and former names

View Wikidata identity and references ↗

  • Comcast · alias · wikidata
  • Comcast Corporation · alias · wikidata
  • Comcast Holdings · alias · wikidata
  • Nbcuniversal · subsidiary · wikidata
  • NBCUniversal Media, LLC · subsidiary · wikidata
  • NBCU · subsidiary · wikidata
  • NBCUniversal, Inc. · subsidiary · wikidata
  • NBCUni · subsidiary · wikidata
  • Sky Group · subsidiary · wikidata
  • BSkyB · subsidiary · wikidata
  • Sky Plc · subsidiary · wikidata
  • British Sky Broadcasting Group Plc · subsidiary · wikidata
  • Sky · subsidiary · wikidata
  • Comcast Ventures · subsidiary · wikidata
  • AT&T COMCAST CORP · former SEC name · 2002-04-10 to 2002-11-18
Explore headquarters map ↗

Revenue in constant purchasing power

USD revenue expressed in 2026-07 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$123.73B$131.71B
2023-12-31$121.57B$133.22B
2022-12-31$121.43B$138.52B

Bureau of Labor Statistics · retrieved 2026-09-07 · 9 selected series; gaps remain missing

Explore the CPI history ↗