BIOGEN INC.
SEC Filing List

BIIB         CIK: 0000875045

Form Description Owner/Filer Filing Agent Date Actions
8-KCurrent report filingBiogen Inc. 07/29/2026
10-QQuarterly report pursuant to Section 13 ...Biogen Inc. 07/29/2026
8-KCurrent report filingBiogen Inc. 07/01/2026
4Statement of changes in beneficial owner...Hawkins William ABiogen Inc.06/11/2026
4Statement of changes in beneficial owner...Langer SusanBiogen Inc.06/11/2026
4Statement of changes in beneficial owner...Freire Maria CBiogen Inc.06/11/2026
4Statement of changes in beneficial owner...Minor LloydBiogen Inc.06/11/2026
4Statement of changes in beneficial owner...Sherwin Stephen ABiogen Inc.06/11/2026
4Statement of changes in beneficial owner...Pangalos Menelas NBiogen Inc.06/11/2026
4Statement of changes in beneficial owner...Patolawala Monish DBiogen Inc.06/11/2026
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