FilingIndex
DEFA14AThe Ballot

BIOGEN INC. files DEFA14A

Filed Apr 28, 2025 · 1y ago · Accession 0001193125-25-097749

Plain English

DEFA14A filed with the SEC.

Read the source below for the full document.

Read the original on SEC.gov ↗
Filing details
Ticker
BIIB
CIK
875045
Form type
DEFA14A
Filing date
Apr 28, 2025
Report date
Document
d916837ddefa14a.htm
Size
841 KB