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BIIB similar filings
- 28 Oct 22 BIOGEN / SUSAN H ALEXANDER ownership change
- 6 Sep 22 BIOGEN / MICHAEL R MCDONNELL ownership change
- 31 Aug 22 Change in insider ownership
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- 6 Jul 22 BIOGEN / Rachid Izzar ownership change
- 17 Jun 22 BIOGEN / STEPHEN A SHERWIN ownership change
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