BIOGEN INC.

BIIB - CIK 0000875045

Market cap$29.53 B

Rank#476

SEC filings2,690

BIOGEN INC. has filed 2,690 documents with the SEC 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.

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