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$BIIB·SCHEDULE 13D

BIOGEN INC. · Apr 6, 6:08 PM ET

Apellis Pharmaceuticals, Inc. SCHEDULE 13D

SCHEDULE 13D · BIOGEN INC. · Filed Apr 6, 2026

Documents

3 files

SCHEDULE
primary_doc.xml
EX-1
ex1.htm
EX-2
ex2.htm