Cite Filings / BIIB / 9999999995-22-001606

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EFFECT

Notice of Effectiveness

BIOGEN INC. Filed 2022-05-26 Acc 9999999995-22-001606

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EFFECT Notice of Effectiveness , xslEFFECTX01/primary_doc.xml

Around this filing

2022-07-12 EFFECT Notice of Effectiveness
2022-05-26 EFFECT Notice of Effectiveness
2022-05-26 424B3 Prospectus
2022-05-24 CORRESP Correspondence Between Filers and SEC Staff
2022-05-23 UPLOAD SEC-generated Letter

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