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BIOGEN INC. — DEFA14A Filings

84 DEFA14A filings on record

This page lists all DEFA14A filings submitted to the SEC by BIOGEN INC. (BIIB), sorted by most recent first. Each row links to the full filing on EdgarLookup. BIOGEN INC. has filed 84 DEFA14A documents with the SEC since 2014. To view all SEC filings by BIOGEN INC., see the full filings list.

Overview All Filings Financials Insiders
All 10-C 10-K 10-K/A 10-K405 10-K405/A 10-Q 10-Q/A 11-K 144 3 3/A 4 4/A 424B2 424B3 424B4 425 5 8-A12B 8-A12G/A 8-B12G 8-K 8-K/A ARS CORRESP CT ORDER DEF 14A DEFA14A DEFC14A DEFR14A DFAN14A DFRN14A EFFECT FWP NO ACT NT 10-K NT 10-Q POS AM POS EX PRE 14A PREC14A PRER14A PRES14A PRRN14A PX14A6G RW S-3 S-3/A S-3ASR S-3MEF S-4 S-4/A S-8 S-8 POS SC 13D SC 13D/A SC 13G SC 13G/A SC TO-C SC TO-I SC TO-I/A SC TO-T SC TO-T/A SCHEDULE 13D SCHEDULE 13D/A SCHEDULE 13G SCHEDULE 13G/A UPLOAD
Form Description Accession Number Filed Period
DEFA14A BIOGEN IDEC INC. 0000950135-09-001803 Mar 17, 2009
DEFA14A BIOGEN IDEC INC. 0000950135-09-001696 Mar 12, 2009
DEFA14A BIOGEN IDEC, INC. 0000950135-09-000790 Feb 9, 2009
DEFA14A BIOGEN IDEC INC. 0000950135-09-000731 Feb 6, 2009
DEFA14A BIOGEN IDEC, INC. 0000950135-09-000686 Feb 6, 2009
DEFA14A BIOGEN IDEC INC. 0000950135-09-000680 Feb 6, 2009
DEFA14A BIOGEN IDEC, INC. 0000950135-09-000676 Feb 6, 2009
DEFA14A BIOGEN IDEC INC. 0000950135-08-004344 Jun 13, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-004303 Jun 12, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-004289 Jun 11, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-004276 Jun 10, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-004259 Jun 9, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-004183 Jun 3, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-004141 May 30, 2008
DEFA14A BIOGEN IDEC, INC. 0000950135-08-004070 May 29, 2008
DEFA14A BIOGEN IDEC, INC. 0000950135-08-003961 May 23, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-003723 May 15, 2008
DEFA14A BIOGEN IDEC, INC. 0000950135-08-003666 May 13, 2008
DEFA14A BIOGEN IDEC, INC. 0000950135-08-003545 May 8, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-002716 Apr 24, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-002670 Apr 23, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-002667 Apr 23, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-002572 Apr 17, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-002530 Apr 15, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-001889 Mar 20, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-001845 Mar 18, 2008
DEFA14A BIOGEN IDEC, INC. 0000950135-08-001206 Feb 26, 2008
DEFA14A BIOGEN IDEC SCHEDULE 14A 0000950135-08-000654 Feb 8, 2008
DEFA14A BIOGEN IDEC, INC. 0000950135-08-000602 Feb 7, 2008
DEFA14A DEFA14A - BIOGEN IDEC, INC. 0000950135-08-000572 Feb 6, 2008
DEFA14A DEFA14A - BIOGEN IDEC, INC. 0000950135-08-000559 Feb 6, 2008
DEFA14A DEFA14A - BIOGEN IDEC, INC. 0000950135-08-000557 Feb 6, 2008
DEFA14A BIOGEN IDEC INC. 0000950135-08-000451 Jan 31, 2008
DEFA14A BIOGEN IDEC INC. FORM 8-K 0000950135-08-000353 Jan 28, 2008