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4

Changes in Ownership

BIOGEN INC. Filed 2013-02-12 Acc 0001127602-13-005657

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4 Changes in Ownership , xslF345X03/form4.xml

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2013-02-14 4 Changes in Ownership
2013-02-12 4 Changes in Ownership
2013-02-12 4 Changes in Ownership
2013-02-12 4 Changes in Ownership
2013-02-12 4 Changes in Ownership
2013-02-12 4 Changes in Ownership
2013-02-12 4 Changes in Ownership

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