TickerFacts.

A business in context

BIIB research notebook

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

Research JSON

Filing timeline

Download filings CSV

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 · 0000875045-26-000082

  2. 4 · Ownership change

    Report date 2026-08-03 · 0000875045-26-000076

  3. 10-Q · Quarterly report

    Report date 2026-06-30 · 0000875045-26-000075

  4. 8-K · Current report

    Report date 2026-07-29 · 0000875045-26-000073 · Items 2.02,9.01

  5. 8-K · Current report

    Report date 2026-07-01 · 0000875045-26-000068 · Items 2.02

  6. 4 · Ownership change

    Report date 2026-06-09 · 0000875045-26-000065

  7. 4 · Ownership change

    Report date 2026-06-09 · 0000875045-26-000064

  8. 4 · Ownership change

    Report date 2026-06-09 · 0000875045-26-000063

  9. 4 · Ownership change

    Report date 2026-06-09 · 0000875045-26-000062

  10. 4 · Ownership change

    Report date 2026-06-09 · 0000875045-26-000060

  11. 4 · Ownership change

    Report date 2026-06-09 · 0000875045-26-000059

  12. 8-K · Current report

    Report date 2026-06-09 · 0000950157-26-000700 · Items 5.07

  13. 8-K/A · Current report

    Report date 2026-05-14 · 0000950157-26-000699 · Items 9.01

  14. 8-K · Current report

    Report date 2026-05-14 · 0001193125-26-222908 · Items 1.01,2.01,2.03,7.01,9.01

  15. 10-Q · Quarterly report

    Report date 2026-03-31 · 0000875045-26-000045

  16. 8-K · Current report

    Report date 2026-04-29 · 0000875045-26-000042 · Items 2.02,9.01

  17. DEF 14A · Proxy statement

    Report date 2026-06-09 · 0001193125-26-187303

  18. 8-K · Current report

    Report date 2026-04-06 · 0000875045-26-000039 · Items 2.02

  19. 8-K · Current report

    Report date 2026-03-31 · 0001193125-26-134889 · Items 1.01,8.01,9.01

  20. 8-K · Current report

    Report date 2026-03-11 · 0000950157-26-000280 · Items 5.02

  21. 8-K · Current report

    Report date 2026-02-11 · 0001193125-26-046803 · Items 5.02,8.01

  22. 10-K · Annual report

    Report date 2025-12-31 · 0000875045-26-000013

  23. 8-K · Current report

    Report date 2026-02-06 · 0000875045-26-000011 · Items 2.02,9.01

  24. 8-K · Current report

    Report date 2026-01-13 · 0000875045-26-000003 · Items 2.02

  25. 10-Q · Quarterly report

    Report date 2025-09-30 · 0000875045-25-000049

  26. 8-K · Current report

    Report date 2025-10-30 · 0000875045-25-000047 · Items 2.02,9.01

  27. 8-K · Current report

    Report date 2025-10-14 · 0000875045-25-000040 · Items 2.02,9.01

  28. 8-K · Current report

    Report date 2025-07-31 · 0000875045-25-000035 · Items 2.02,9.01

  29. 10-Q · Quarterly report

    Report date 2025-06-30 · 0000875045-25-000033

  30. 8-K · Current report

    Report date 2025-07-07 · 0000875045-25-000027 · Items 2.02,9.01

  31. 8-K · Current report

    Report date 2025-06-17 · 0000875045-25-000023 · Items 5.07,9.01

  32. 8-K · Current report

    Report date 2025-05-06 · 0001193125-25-117854 · Items 8.01,9.01

  33. 10-Q · Quarterly report

    Report date 2025-03-31 · 0000875045-25-000018

  34. 8-K · Current report

    Report date 2025-05-01 · 0000875045-25-000014 · Items 2.02,9.01

  35. DEF 14A · Proxy statement

    Report date 2025-06-17 · 0001193125-25-097747

  36. 10-K · Annual report

    Report date 2024-12-31 · 0000875045-25-000009

  37. 8-K · Current report

    Report date 2025-02-12 · 0000875045-25-000004 · Items 2.02,9.01

  38. 8-K · Current report

    Report date 2025-01-13 · 0001193125-25-006578 · Items 5.02

  39. SC 13G/A · Ownership disclosure

    0000932471-24-000849

  40. SC 13G/A · Ownership disclosure

    0001193125-24-253265

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: 9 transaction rows9AExercise / conversion: 6 transaction rows6MTax / exercise payment: 2 transaction rows2FGift: 0 transaction rows0G
P · PurchaseS · SaleA · Grant / awardM · Exercise / conversionF · Tax / exercise paymentG · Gift

17 matching transaction rows.

Transaction / filedReporting ownerTypeSecuritySharesReported price
2026-06-09
2026-06-11
HAWKINS WILLIAM AA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
SHERWIN STEPHEN AA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
Rowinsky Eric KA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
Mantas Jesus BA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
LANGER SUSANA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
Patolawala Monish DA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
Pangalos Menelas NM · Exercise / conversion
Acquired
Common Stock2370.00.0
2026-06-09
2026-06-11
Pangalos Menelas NA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
Pangalos Menelas NM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
2370.00.0
2026-06-09
2026-06-11
Minor LloydA · Grant / award
Acquired
Common Stock1505.00.0
2026-06-09
2026-06-11
Freire Maria CA · Grant / award
Acquired
Common Stock2005.00.0
2026-05-01
2026-05-05
Keeney AdamM · Exercise / conversion
Acquired
Common Stock939.00.0
2026-05-01
2026-05-05
Keeney AdamF · Tax / exercise payment
Disposed
Common Stock455.0187.06
2026-05-01
2026-05-05
Keeney AdamM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
939.00.0
2026-04-01
2026-04-03
Godbout SeanF · Tax / exercise payment
Disposed
Common Stock54.0183.78
2026-04-01
2026-04-03
Godbout SeanM · Exercise / conversion
Acquired
Common Stock181.00.0
2026-04-01
2026-04-03
Godbout SeanM · Exercise / conversion
Disposed
Restricted Stock Unit
Derivative security
181.00.0

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 · 0000875045BIOGEN INC.
BiogenBiogen (Germany)Biogen (Belgium)Biogen (Switzerland)

Showing 4 of 4 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
W8J5WZB5IY3K0NDQT671
GLEIF legal name
BIOGEN INC.
Entity / LEI registration status
ACTIVE / ISSUED
Reference data updated
2026-01-21T05:42:45Z

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 ↗

  • Biogen · subsidiary · wikidata
  • BIIB · alias · wikidata
  • Biogen Idec · alias · wikidata
  • Biogen (Germany) · subsidiary · wikidata
  • Biogen (Belgium) · subsidiary · wikidata
  • Biogen (Switzerland) · subsidiary · wikidata
  • BIOGEN IDEC INC. · former SEC name · 2007-01-17 to 2015-03-20
  • BIOGEN IDEC INC · former SEC name · 2003-11-12 to 2007-04-25
  • IDEC PHARMACEUTICALS CORP / DE · former SEC name · 1997-10-01 to 2003-11-12
  • IDEC PHARMACEUTICALS CORP / CA · former SEC name · 1996-07-10 to 1997-02-14
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$9.68B$10.30B
2023-12-31$9.84B$10.78B
2022-12-31$10.17B$11.61B
2021-12-31$10.98B$13.53B
2020-12-31$13.44B$17.35B
2019-12-31$14.38B$18.78B
2018-12-31$13.45B$17.89B
2017-12-31$12.27B$16.72B

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

Explore the CPI history ↗