# Biogen Inc.: Form 8-K, filed Oct 30, 2025

- Company: [Biogen Inc.](/companies/biib.md) (CIK 875045)
- Form: 8-K
- Filed: 2025-10-30
- Accepted by EDGAR: Oct 30, 2025, 06:13 ET
- Period: 2025-10-30
- Accession: 0000875045-25-000047
- Inline XBRL: yes
- Main document: https://www.sec.gov/Archives/edgar/data/875045/000087504525000047/biib-20251030.htm
- All documents and exhibits: https://www.sec.gov/Archives/edgar/data/875045/000087504525000047/

## Items reported

- Item 2.02: Results of operations
- Item 9.01: Financial statements and exhibits

## Sections

Sections are extracted only from 10-K and 10-Q reports. Read this filing’s documents on sec.gov. https://www.sec.gov/Archives/edgar/data/875045/000087504525000047/biib-20251030.htm

Filed Oct 30, 2025.
Source: SEC EDGAR, the filing index for accession 0000875045-25-000047. Last ingested by Listed: Nov 2, 2026, 20:22 ET. No prices; not investment advice.