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Home / BIOGEN INC. / Filings / 424B3

424B3

PROSPECTUS SUPPLEMENT

Company: BIOGEN INC.
Filed: December 15, 1999
Accession Number: 0000936392-99-001438

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© 2026 EdgarLookup. All rights reserved. Filing data sourced from the SEC EDGAR database. For informational purposes only — not financial advice. · Data last updated 3 months ago.