BIOGEN INC.

BIIB - Company ID 0000875045

Market cap$29.37 B

Rank#476

Filings2,690

BIOGEN INC. has filed 2,690 public company documents between 1996 and 2026. The most frequent type is insider trade (1,544 filings), alongside the regular cadence of annual reports, quarterly reports, and event disclosures every public company must make. Use the filters to focus on one filing type, or flip the sort to trace the company's history from its earliest paperwork.

Continue researchBIIB overview$29.37 BMarket cap, financials, charts, and latest company context.

Continue researchMarket cap historyRank #476See the market value trend behind the filing history.

Continue researchRevenue trendAnnual historyMove from documents into filing-backed operating results.

Continue researchCompare with AMGNPeer viewPut BIIB beside AMGN across market cap, revenue, income, and filings.

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Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.

Type	Filing	Filed	Period covered	Open
PRE 14A	PRE 14A	2y ago2024-04-12	2024-06-20	View filing
PRE 14A	PRE 14A	5y ago2021-04-09	2021-06-02	View filing
PRE 14A	PRE 14A	14y ago2012-03-26	2012-06-08	View filing
PRE 14A	PRE 14A	15y ago2011-03-18	2011-06-02	View filing
PRE 14A	PRE 14A	18y ago2008-04-18	2008-04-18	View filing
PRE 14A	PRE 14A	25y ago2001-03-23	2001-05-18	View filing
PRE 14A	PRE 14A	29y ago1997-04-08	1997-05-22	View filing

BIOGEN INC.

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