Companies

BIOGEN INC. (BIIB) SEC filings

CIK 0000875045 · Biological Products, (No Diagnostic Substances) (SIC 2836) · Nasdaq · incorporated in DE · fiscal year ends 12/31

Annual financials (from the company's own XBRL in its 10-K filings)

FY2025FY2024FY2022FY2021
Revenue (USD)9.9 B10.2 B
Net income (USD)4.0 B5.9 B
Diluted EPS (USD/shares)8.7920.87

Latest filings

FiledFormDescriptionPeriod
2026-10-054PRIMARY DOCUMENT2026-10-01
2026-09-034PRIMARY DOCUMENT2026-09-01
2026-08-123PRIMARY DOCUMENT2026-08-03
2026-08-06SCHEDULE 13G/ASCHEDULE 13G/A
2026-08-054PRIMARY DOCUMENT2026-08-03
2026-08-04144144
2026-08-03144144
2026-07-2910-Q10-Q2026-06-30
2026-07-298-K8-K items 2.02,9.012026-07-29
2026-07-018-K8-K items 2.022026-07-01
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-114PRIMARY DOCUMENT2026-06-09
2026-06-108-KCURRENT REPORT items 5.072026-06-09
2026-06-108-K/ACURRENT REPORT items 9.012026-05-14
2026-06-05SCHEDULE 13G/ASCHEDULE 13G/A
2026-05-14SCHEDULE 13D/ASCHEDULE 13D/A
2026-05-148-K8-K items 1.01,2.01,2.03,7.01,9.012026-05-14
2026-05-14SC TO-T/ASC TO-T/A

Forms on file (last 1,000): 4 606, 8-K 119, SC 13G/A 42, 10-Q 36, 3 34, 144 21, DEFA14A 21, DEF 14A 12. Source: SEC EDGAR, as filed; this page is public data and not investment advice.

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