NASDAQ·CIK 0000875045
BIOGENBIIB
Every SEC filing BIOGEN INC. has submitted to EDGAR over the past two years — 8-K, 10-Q, DEFA14A, DEF 14A, 10-K — available as a clean PDF, streamed from EDGAR, never stored on our servers.
TOTAL FILINGS · 2YR
60
Across 10 form types
10-K REPORTS
2
FY 2024–2025
10-Q · 8-K
6 · 24
Quarterly + material events
NEXT EXPECTED
Aug 11
10-Q · 85% conf
Recent SEC filings
20 most recent · click any row to preview
| Form | Filed | Size | |
|---|---|---|---|
| 8-K | 2026-06-10 | 0.2 MB | |
| 8-K/A | 2026-06-10 | 0.2 MB | |
| 8-K | 2026-05-14 | 1.0 MB | |
| 10-Q | 2026-04-29 | 12.6 MB | |
| 8-K | 2026-04-29 | 0.6 MB | |
| DEFA14A | 2026-04-28 | 0.8 MB | |
| DEF 14A | 2026-04-28 | 7.7 MB | |
| 8-K | 2026-04-06 | 0.2 MB | |
| 8-K | 2026-03-31 | 5.0 MB | |
| 8-K | 2026-03-11 | 0.1 MB | |
| 8-K | 2026-02-11 | 0.1 MB |
Showing 11 of 60 filings (2 years)Load all 60 filings →
Next expected
Based on BIIB's filing cadence
11
Aug '26
10-Q · Q3 2026
in 50 days · 85% confidence
16
Mar '27
10-K · FY 2027
in 267 days · 85% confidence
Company facts
- CIK
- 0000875045
- Ticker
- BIIB
- Filings on file
- 60 (2 years)
- Latest 10-K
- 2025-12-31
- Form types
- 8-K, 10-Q, DEFA14A, DEF 14A
About BIOGEN INC. (BIIB) SEC filings
BIOGEN INC. (NASDAQ: BIIB, CIK 0000875045) files quarterly 10-Q reports and an annual 10-K with the SEC, alongside 24 8-K disclosures for material events. FilingRadar renders every one of those documents as a searchable PDF, the same day they hit EDGAR.
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How do I download BIIB's latest 10-K as PDF?+
Click Download filings as PDF above, check the 10-K · filed 2025-12-31 row, and we'll stream the PDF straight from EDGAR — no signup, free for up to 3 filings per day.
When does BIIB file its next 10-Q?+
Based on BIIB's filing cadence, the next 10-Q is expected around August 11, 2026 (85% confidence). Add BIIB to your watchlist for an email the moment it lands.
What's the difference between 10-K, 10-Q and 8-K?+
10-Kis the comprehensive annual report (audited financials, risk factors, MD&A). 10-Q is the quarterly update — lighter, unaudited. 8-K is a current report filed within 4 business days of a material event (acquisitions, exec changes, earnings).
Does FilingRadar store BIIB's filings?+
No. Every PDF you download is rendered from EDGAR in memory and streamed straight to you. We never save the filing to disk. Read our data sources policy.
Where does this data come from?+
Directly from SEC EDGAR — the official U.S. SEC public filings database. We refresh each company's filing index every 6 hours. All filings are public domain.