Cite Filings / BIIB / 0001209191-04-025992

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4

Changes in Ownership

BIOGEN INC. Filed 2004-05-17 Acc 0001209191-04-025992

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4 Changes in Ownership , xslF345X02/doc4.xml

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2004-05-20 3 Initial Statement of Ownership
2004-05-19 4 Changes in Ownership
2004-05-19 4 Changes in Ownership
2004-05-18 4 Changes in Ownership
2004-05-17 4 Changes in Ownership
2004-05-14 4 Changes in Ownership
2004-05-14 4/A Changes in Ownership

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