$BIIB SEC Filings

Filing Filed On
8-K/A 28 Sep 2023
8-K/A 20 Jul 2022
8-K/A 12 Feb 2013
FORM 8-K AMENDMENT 24 Jul 2012
8-K/A 01 Feb 2011
BIOGEN IDEC, INC. 12 Jan 2004
BIOGEN IDEC, INC. 25 Nov 2003
8-K/A 03 Oct 2003