SEC Filings

Search SEC EDGAR filings by company ticker and form type

BIOGEN INC.

SC 13G 40 filings

All SC 13G Filings

Complete history of SC 13G filings with the SEC

Date Filed	View on EDGAR
16 Oct Oct 16, 2024	open_in_new View Filing
08 Feb Feb 08, 2022	open_in_new View Filing
11 Jan Jan 11, 2021	open_in_new View Filing
28 Sep Sep 28, 2020	open_in_new View Filing
17 Apr Apr 17, 2020	open_in_new View Filing
14 Feb Feb 14, 2019	open_in_new View Filing
07 Jun Jun 07, 2018	open_in_new View Filing
20 Aug Aug 20, 2015	open_in_new View Filing
12 Feb Feb 12, 2015	open_in_new View Filing
11 Feb Feb 11, 2015	open_in_new View Filing
30 Jan Jan 30, 2013	open_in_new View Filing
14 Feb Feb 14, 2012	open_in_new View Filing
11 Feb Feb 11, 2011	open_in_new View Filing
10 Feb Feb 10, 2011	open_in_new View Filing
09 Feb Feb 09, 2011	open_in_new View Filing
12 Feb Feb 12, 2010	open_in_new View Filing
29 Jan Jan 29, 2010	open_in_new View Filing
05 Feb Feb 05, 2008	open_in_new View Filing
05 Feb Feb 05, 2008	open_in_new View Filing
05 Feb Feb 05, 2008	open_in_new View Filing
14 Feb Feb 14, 2006	open_in_new View Filing
10 Jan Jan 10, 2006	open_in_new View Filing
14 Feb Feb 14, 2005	open_in_new View Filing
11 Feb Feb 11, 2005	open_in_new View Filing
04 Feb Feb 04, 2004	open_in_new View Filing
12 Dec Dec 12, 2003	open_in_new View Filing
11 Aug Aug 11, 2003	open_in_new View Filing
10 Mar Mar 10, 2003	open_in_new View Filing
12 Feb Feb 12, 2003	open_in_new View Filing
07 Feb Feb 07, 2001	open_in_new View Filing
12 Feb Feb 12, 1999	open_in_new View Filing
11 Feb Feb 11, 1999	open_in_new View Filing
08 Feb Feb 08, 1999	open_in_new View Filing
04 Mar Mar 04, 1998	open_in_new View Filing
17 Feb Feb 17, 1998	open_in_new View Filing
11 Feb Feb 11, 1998	open_in_new View Filing
06 Feb Feb 06, 1998	open_in_new View Filing
04 Feb Feb 04, 1998	open_in_new View Filing
14 Feb Feb 14, 1997	open_in_new View Filing
12 Feb Feb 12, 1997	open_in_new View Filing