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View Section 16 Filings (3,4,5)

Biogen, Inc. Archived SEC Filings
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Filing DateFormDescriptionFiling GroupDownloads
05/07/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
05/07/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
05/03/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
05/03/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
05/01/13ARSAn annual report to security holdersAnnual Filings Word SEC Filing Unavailable Excel SEC Filing Unavailable Adobe PDF SEC Filing Unavailable XBRL SEC Filing Unavailable
05/01/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/30/13DEFA14AAdditional proxy soliciting materials - definitiveProxy Filings Download SEC Filing to Word Download SEC Filing to Excel Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/30/13DEF 14AOfficial notification to shareholders of matters to be brought to a vote ("Proxy")Proxy Filings Download SEC Filing to Word Download SEC Filing to Excel Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/29/13CT ORDERCT ORDEROther Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/25/1310-QQuarterly report which provides a continuing view of a company's financial positionQuarterly Filings Download SEC Filing to Word Download SEC Filing to Excel Download SEC Filing to Adobe PDF Download XBRL Content
04/25/138-KReport of unscheduled material events or corporate eventCurrent Reports Download SEC Filing to Word Download SEC Filing to Excel Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/03/134/AAmendment to a previously filed 43,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/02/138-KReport of unscheduled material events or corporate eventCurrent Reports Download SEC Filing to Word Download SEC Filing to Excel Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
04/02/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
03/25/134Statement of changes in beneficial ownership of securities3,4,5 Download SEC Filing to Word Excel SEC Filing Unavailable Download SEC Filing to Adobe PDF XBRL SEC Filing Unavailable
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