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BIIB US
Home
Stock Screener
Document Search
Charting
Watchlists
Recent Filings
Biogen Inc.
(BIIB US)
Ask AI
Follow
Doc Search
Profile
Entity Structure
SEC Filings
Financials
Charting
Short Interest
Employees
Chronological
By Owner
Financials & Metrics
Financials
Charting
Short Interest
Employees
Chronological
By Owner
Financials & Metrics
Financials
Charting
Short Interest
Employees
SEC Filings by Owner
SEC Filings by Owner
Select Filings
Insider Ownership
ALEXANDER SUSAN H
(84)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
7 Nov 2024
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
22 Feb 2023
MULLEN JAMES C
(77)
Expand
Form 4
PRIMARY DOCUMENT
10 Jun 2010
Form 4
PRIMARY DOCUMENT
23 Mar 2010
Form 4
PRIMARY DOCUMENT
1 Mar 2010
Form 4
PRIMARY DOCUMENT
17 Feb 2010
Form 4
PRIMARY DOCUMENT
18 Dec 2009
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Form 4
PRIMARY DOCUMENT
17 Feb 2009
Form 4
PRIMARY DOCUMENT
10 Feb 2009
Form 4
Statement of changes in beneficial ownership
17 Apr 2008
Form 4
Statement of changes in beneficial ownership
15 Apr 2008
SCANGOS GEORGE A
(68)
Expand
Form 4
PRIMARY DOCUMENT
22 Jul 2016
Form 4
Statement of changes in beneficial ownership
6 Jun 2016
Form 4
PRIMARY DOCUMENT
2 Jun 2016
Form 4
PRIMARY DOCUMENT
27 May 2016
Form 4
PRIMARY DOCUMENT
4 May 2016
Form 4
PRIMARY DOCUMENT
7 Apr 2016
Form 4
PRIMARY DOCUMENT
5 Apr 2016
Form 4
PRIMARY DOCUMENT
3 Mar 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
SCHNEIER CRAIG ERIC
(65)
Expand
Form 4
PRIMARY DOCUMENT
3 Mar 2011
Form 4
PRIMARY DOCUMENT
28 Feb 2011
Form 4
PRIMARY DOCUMENT
25 Feb 2011
Form 4
PRIMARY DOCUMENT
18 Feb 2011
Form 4
PRIMARY DOCUMENT
15 Feb 2011
Form 4
PRIMARY DOCUMENT
11 Feb 2011
Form 4
PRIMARY DOCUMENT
24 Jan 2011
Form 4
PRIMARY DOCUMENT
21 Dec 2010
Form 4
PRIMARY DOCUMENT
7 Dec 2010
Form 4
PRIMARY DOCUMENT
4 Mar 2010
Clancy Paul J
(56)
Expand
Form 4
PRIMARY DOCUMENT
27 Apr 2017
Form 4
PRIMARY DOCUMENT
14 Mar 2017
Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4
PRIMARY DOCUMENT
9 Feb 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Sandrock Alfred
(48)
Expand
Form 4
PRIMARY DOCUMENT
9 Jun 2021
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
29 Jan 2021
Form 4
PRIMARY DOCUMENT
6 Nov 2020
Form 4
PRIMARY DOCUMENT
19 Feb 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
26 Feb 2019
Form 4
PRIMARY DOCUMENT
20 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
WIGGINS MARK C
(47)
Expand
Form 4
PRIMARY DOCUMENT
29 Sep 2008
Form 4
Statement of changes in beneficial ownership
28 Jul 2008
Form 4
Statement of changes in beneficial ownership
16 Jul 2008
Form 4/A
Statement of changes in beneficial ownership (amendment)
15 Feb 2008
Form 4
Statement of changes in beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
7 Feb 2008
Form 4
Statement of changes in beneficial ownership
3 Jan 2008
Form 4
Statement of changes in beneficial ownership
17 Oct 2007
Form 4
Statement of changes in beneficial ownership
7 Sep 2007
Form 4
Statement of changes in beneficial ownership
29 Aug 2007
PANGIA ROBERT W
(43)
Expand
Form 5
PRIMARY DOCUMENT
9 Feb 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
19 Mar 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
10 Jan 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
10 Jan 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
11 Jun 2015
DUNN JOHN MICHAEL
(38)
Expand
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Form 4
PRIMARY DOCUMENT
20 Feb 2009
Form 4
PRIMARY DOCUMENT
17 Feb 2009
Form 4
PRIMARY DOCUMENT
13 Feb 2009
Form 4
PRIMARY DOCUMENT
10 Feb 2009
Form 4
Statement of changes in beneficial ownership
5 Aug 2008
Form 4
Statement of changes in beneficial ownership
24 Jul 2008
Form 4
Statement of changes in beneficial ownership
22 Jul 2008
Form 4/A
Statement of changes in beneficial ownership (amendment)
22 Jul 2008
Form 4
Statement of changes in beneficial ownership
3 Jun 2008
Cox John
(37)
Expand
Form 4
PRIMARY DOCUMENT
5 Apr 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4
PRIMARY DOCUMENT
9 Feb 2016
Form 4
PRIMARY DOCUMENT
26 Mar 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
10 Feb 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2014
BIOGEN INC.
(36)
Expand
Form 3
Initial statement of beneficial ownership
6 Apr
Form 4
Statement of changes in beneficial ownership
28 Sep 2023
Form 3
Initial statement of beneficial ownership
7 Aug 2023
Form 4
Statement of changes in beneficial ownership
31 Aug 2022
Form 4
Statement of changes in beneficial ownership
30 Dec 2021
Form 4
Statement of changes in beneficial ownership
28 Dec 2021
Form 4
Statement of changes in beneficial ownership
10 Dec 2021
Form 4
Statement of changes in beneficial ownership
9 Dec 2021
Form 4
Statement of changes in beneficial ownership
3 Dec 2021
Form 4
Statement of changes in beneficial ownership
30 Nov 2021
ADELMAN BURT A
(36)
Expand
Form 5
Annual statement of beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
17 Oct 2007
Form 4
Statement of changes in beneficial ownership
31 Aug 2007
Form 4
Statement of changes in beneficial ownership
29 Aug 2007
Form 4
Statement of changes in beneficial ownership
21 Aug 2007
Form 4
Statement of changes in beneficial ownership
27 Jul 2007
Form 4
Statement of changes in beneficial ownership
3 Jul 2007
Form 4
Statement of changes in beneficial ownership
22 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
15 Feb 2007
SHERWIN STEPHEN A
(34)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
10 Mar 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 5
PRIMARY DOCUMENT
27 Jan 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
12 Mar 2020
Hamm Robert A
(34)
Expand
Form 4
PRIMARY DOCUMENT
26 Apr 2010
Form 4/A
PRIMARY DOCUMENT
16 Apr 2010
Form 4
PRIMARY DOCUMENT
5 Apr 2010
Form 4
PRIMARY DOCUMENT
25 Feb 2010
Form 4
PRIMARY DOCUMENT
19 Feb 2010
Form 4
PRIMARY DOCUMENT
17 Feb 2010
Form 4
PRIMARY DOCUMENT
5 Nov 2009
Form 4
PRIMARY DOCUMENT
3 Nov 2009
Form 4
PRIMARY DOCUMENT
24 Jun 2009
Form 4
PRIMARY DOCUMENT
2 Apr 2009
SCHENK LYNN
(33)
Expand
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
3 Dec 2018
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
11 Jun 2015
Form 4
PRIMARY DOCUMENT
16 Jun 2014
Form 4
PRIMARY DOCUMENT
16 Jan 2014
Form 4
PRIMARY DOCUMENT
2 Dec 2013
Form 4
PRIMARY DOCUMENT
5 Nov 2013
Kramer Robin
(33)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
9 Dec 2024
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
12 Dec 2023
Posner Brian S
(32)
Expand
Form 5
PRIMARY DOCUMENT
27 Jan 2023
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
7 Jun 2021
Form 5
PRIMARY DOCUMENT
9 Feb 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
3 Dec 2019
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
15 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
12 Jun 2017
DORSA CAROLINE
(29)
Expand
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
5 May 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Gregory Ginger
(29)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
2 May 2023
Form 4
PRIMARY DOCUMENT
22 Feb 2023
Singhal Priya
(28)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
3 Feb
Form 4
PRIMARY DOCUMENT
2 Sep 2025
Form 4
PRIMARY DOCUMENT
20 May 2025
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
3 Feb 2025
Form 4
PRIMARY DOCUMENT
9 Dec 2024
Form 4
PRIMARY DOCUMENT
5 Sep 2024
Holtzman Steven H
(27)
Expand
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4
PRIMARY DOCUMENT
9 Feb 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
18 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
10 Feb 2015
Form 4
PRIMARY DOCUMENT
2 Feb 2015
Form 4
PRIMARY DOCUMENT
3 Dec 2014
Form 4
PRIMARY DOCUMENT
12 Nov 2014
LEAMING NANCY
(26)
Expand
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
11 Jun 2015
Form 4
PRIMARY DOCUMENT
16 Jun 2014
Form 4
PRIMARY DOCUMENT
12 Mar 2014
Form 4
PRIMARY DOCUMENT
13 Jun 2013
Rowinsky Eric K
(26)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
20 Feb 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
DENNER ALEXANDER J
(26)
Expand
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
2 May 2019
Form 4
PRIMARY DOCUMENT
1 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
27 Apr 2018
Form 4
Statement of changes in beneficial ownership
30 Nov 2017
Form 4
Statement of changes in beneficial ownership
31 Aug 2017
Gagnon Robert E.
(25)
Expand
Form 4
PRIMARY DOCUMENT
1 Mar 2012
Form 4
PRIMARY DOCUMENT
27 Feb 2012
Form 4
PRIMARY DOCUMENT
16 Feb 2012
Form 4
PRIMARY DOCUMENT
13 Feb 2012
Form 4
PRIMARY DOCUMENT
10 Feb 2012
Form 4
PRIMARY DOCUMENT
8 Dec 2011
Form 4
PRIMARY DOCUMENT
2 Dec 2011
Form 4
PRIMARY DOCUMENT
14 Nov 2011
Form 4
PRIMARY DOCUMENT
4 Nov 2011
Form 4
PRIMARY DOCUMENT
7 Oct 2011
COVINO GREGORY F
(24)
Expand
Form 4
PRIMARY DOCUMENT
5 Mar 2018
Form 4
PRIMARY DOCUMENT
27 Feb 2018
Form 4
PRIMARY DOCUMENT
26 Feb 2018
Form 4
PRIMARY DOCUMENT
20 Feb 2018
Form 4
PRIMARY DOCUMENT
14 Feb 2018
Form 4
PRIMARY DOCUMENT
5 Dec 2017
Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
5 Dec 2016
Form 4
PRIMARY DOCUMENT
2 May 2016
HASLER HANS PETER
(24)
Expand
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Form 4
PRIMARY DOCUMENT
20 Feb 2009
Form 4
PRIMARY DOCUMENT
17 Feb 2009
Form 4
PRIMARY DOCUMENT
13 Feb 2009
Form 4
PRIMARY DOCUMENT
10 Feb 2009
Form 4
PRIMARY DOCUMENT
7 Nov 2008
Form 4
PRIMARY DOCUMENT
4 Nov 2008
Form 4
Statement of changes in beneficial ownership
24 Jul 2008
Form 4
Statement of changes in beneficial ownership
3 Jun 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Vounatsos Michel
(24)
Expand
Form 4
PRIMARY DOCUMENT
23 Feb 2022
Form 4
PRIMARY DOCUMENT
15 Feb 2022
Form 4
PRIMARY DOCUMENT
14 Feb 2022
Form 4
PRIMARY DOCUMENT
21 Jan 2022
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
29 Jan 2021
Form 4
PRIMARY DOCUMENT
1 Dec 2020
Form 4
PRIMARY DOCUMENT
19 Feb 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
MATSUI CONNIE
(23)
Expand
Form 4
Statement of changes in beneficial ownership
14 Feb 2007
Form 4
Statement of changes in beneficial ownership
8 Feb 2007
Form 4
Statement of changes in beneficial ownership
18 Jan 2007
Form 4
Statement of changes in beneficial ownership
18 Oct 2006
Form 4
Statement of changes in beneficial ownership
15 Sep 2006
Form 4
Statement of changes in beneficial ownership
18 Jul 2006
Form 4
Statement of changes in beneficial ownership
2 May 2006
Form 4
Statement of changes in beneficial ownership
8 Feb 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2006
Form 4/A
Statement of changes in beneficial ownership (amendment)
5 Jan 2006
ROHN WILLIAM R
(22)
Expand
Form 4
Statement of changes in beneficial ownership
19 Nov 2004
Form 4
Statement of changes in beneficial ownership
19 Nov 2004
Form 4
Statement of changes in beneficial ownership
2 Sep 2004
Form 4/A
Statement of changes in beneficial ownership (amendment)
2 Sep 2004
Form 4
Statement of changes in beneficial ownership
1 Sep 2004
Form 4
Statement of changes in beneficial ownership
4 Jun 2004
Form 4
Statement of changes in beneficial ownership
4 Jun 2004
Form 4
PRIMARY DOCUMENT
4 Mar 2004
Form 4
PRIMARY DOCUMENT
4 Mar 2004
Form 4
PRIMARY DOCUMENT
4 Mar 2004
SHARP PHILIP A
(22)
Expand
Form 4
PRIMARY DOCUMENT
5 Jun 2009
Form 4
Statement of changes in beneficial ownership
22 Jul 2008
Form 4
Statement of changes in beneficial ownership
9 Jul 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
MacLean Michael F
(22)
Expand
Form 4
PRIMARY DOCUMENT
4 Oct 2010
Form 4
PRIMARY DOCUMENT
3 Aug 2010
Form 4
PRIMARY DOCUMENT
23 Mar 2010
Form 4/A
PRIMARY DOCUMENT
20 Apr 2010
Form 4
PRIMARY DOCUMENT
25 Feb 2010
Form 4
PRIMARY DOCUMENT
17 Feb 2010
Form 4
PRIMARY DOCUMENT
19 Jan 2010
Form 4
PRIMARY DOCUMENT
3 Nov 2009
Form 4
PRIMARY DOCUMENT
5 Oct 2009
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Izzar Rachid
(22)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
16 Jul 2025
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
11 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
BIOGEN IDEC MA INC
(21)
Expand
Form 4
Statement of changes in beneficial ownership
9 Nov 2006
Form 3
MAIN DOCUMENT DESCRIPTION
14 Feb 2006
Form 4
MAIN DOCUMENT DESCRIPTION
14 Feb 2006
Form 4
Statement of changes in beneficial ownership
16 Aug 2005
Form 4
Statement of changes in beneficial ownership
12 Aug 2005
Form 4
Statement of changes in beneficial ownership
10 Aug 2005
Form 4
Statement of changes in beneficial ownership
8 Aug 2005
Form 4
Statement of changes in beneficial ownership
4 Aug 2005
Form 4
Statement of changes in beneficial ownership
2 Aug 2005
Form 4
Statement of changes in beneficial ownership
29 Jul 2005
ROSS BRUCE
(21)
Expand
Form 4
PRIMARY DOCUMENT
10 Jun 2010
Form 4
PRIMARY DOCUMENT
25 Jun 2009
Form 4
PRIMARY DOCUMENT
5 Jun 2009
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
4 Jun 2008
Form 4
Statement of changes in beneficial ownership
27 Aug 2007
Form 4
Statement of changes in beneficial ownership
16 Aug 2007
Form 4
Statement of changes in beneficial ownership
27 Jul 2007
Form 4
Statement of changes in beneficial ownership
25 Jul 2007
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
DiPietro Kenneth
(21)
Expand
Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4/A
PRIMARY DOCUMENT
9 Feb 2016
Form 4
PRIMARY DOCUMENT
2 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Mar 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
18 Feb 2015
Murphy Nicole
(21)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
3 Apr 2024
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
4 Apr 2023
KELLER THOMAS F
(20)
Expand
Form 4/A
Statement of changes in beneficial ownership (amendment)
7 Mar 2008
Form 4
Statement of changes in beneficial ownership
17 Oct 2007
Form 4
Statement of changes in beneficial ownership
27 Aug 2007
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
2 Nov 2006
Form 4
Statement of changes in beneficial ownership
5 Sep 2006
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
4 Apr 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Mulligan Richard
(19)
Expand
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
11 Jun 2015
Form 4
PRIMARY DOCUMENT
16 Jun 2014
Form 4
PRIMARY DOCUMENT
13 Jun 2013
WILLIAMS DOUGLAS E
(18)
Expand
Form 4
PRIMARY DOCUMENT
22 Jun 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
10 Feb 2015
Form 4
PRIMARY DOCUMENT
2 Feb 2015
Form 4
PRIMARY DOCUMENT
21 Mar 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2014
Form 4
PRIMARY DOCUMENT
11 Feb 2014
Form 4
PRIMARY DOCUMENT
3 Feb 2014
Form 4
PRIMARY DOCUMENT
28 Aug 2013
PAPADOPOULOS STELIOS
(18)
Expand
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
27 Jul 2015
Form 4
PRIMARY DOCUMENT
11 Jun 2015
Form 4
PRIMARY DOCUMENT
16 Jun 2014
YOUNG WILLIAM
(18)
Expand
Form 4
PRIMARY DOCUMENT
9 Jan 2014
Form 4
PRIMARY DOCUMENT
13 Jun 2013
Form 4
PRIMARY DOCUMENT
11 Jun 2012
Form 4
PRIMARY DOCUMENT
29 Sep 2011
Form 4
PRIMARY DOCUMENT
2 Sep 2011
Form 4
PRIMARY DOCUMENT
31 Aug 2011
Form 4
PRIMARY DOCUMENT
2 Jun 2011
Form 4
PRIMARY DOCUMENT
4 Jan 2011
Form 4
PRIMARY DOCUMENT
10 Jun 2010
Form 4
PRIMARY DOCUMENT
11 Jun 2009
MCDONNELL MICHAEL R
(17)
Expand
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
6 Sep 2023
Form 4
PRIMARY DOCUMENT
22 Feb 2023
Form 4
PRIMARY DOCUMENT
14 Feb 2023
Form 4
PRIMARY DOCUMENT
10 Feb 2023
GLASSBERG ALAN
(17)
Expand
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
1 May 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
3 Oct 2006
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
Statement of changes in beneficial ownership
1 Dec 2004
Form 4/A
Statement of changes in beneficial ownership (amendment)
8 Nov 2006
Hasnain Faheem
(16)
Expand
Form 4
Statement of changes in beneficial ownership
10 Jul 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
7 Feb 2008
Form 4
Statement of changes in beneficial ownership
2 Nov 2007
Form 4
Statement of changes in beneficial ownership
9 Oct 2007
Form 4/A
Statement of changes in beneficial ownership (amendment)
24 May 2007
Form 4
Statement of changes in beneficial ownership
24 May 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Kingsley Stuart A
(16)
Expand
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
10 Feb 2015
Form 4
PRIMARY DOCUMENT
12 Mar 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2014
Form 4
PRIMARY DOCUMENT
11 Feb 2014
Form 4
PRIMARY DOCUMENT
3 Feb 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2013
Form 4
PRIMARY DOCUMENT
12 Feb 2013
Form 4
PRIMARY DOCUMENT
5 Feb 2013
Karaboutis Adriana
(15)
Expand
Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
5 Dec 2016
Form 4
PRIMARY DOCUMENT
5 Oct 2016
Form 4
PRIMARY DOCUMENT
4 Oct 2016
Form 4
PRIMARY DOCUMENT
26 Feb 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
3 Dec 2015
Form 4
PRIMARY DOCUMENT
6 Oct 2015
Guindo Chirfi
(15)
Expand
Form 4
PRIMARY DOCUMENT
23 Feb 2022
Form 4
PRIMARY DOCUMENT
15 Feb 2022
Form 4
PRIMARY DOCUMENT
14 Feb 2022
Form 4
PRIMARY DOCUMENT
21 Jan 2022
Form 4
PRIMARY DOCUMENT
9 Jun 2021
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
3 Dec 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
3 Dec 2019
KELLOGG PETER N
(12)
Expand
Form 4
Statement of changes in beneficial ownership
22 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
15 Feb 2007
Form 4
Statement of changes in beneficial ownership
14 Feb 2007
Form 4
Statement of changes in beneficial ownership
8 Feb 2007
Form 4
Statement of changes in beneficial ownership
20 Sep 2006
Form 4
Statement of changes in beneficial ownership
15 Sep 2006
Form 4
Statement of changes in beneficial ownership
8 Feb 2006
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
GOOD MARY L
(12)
Expand
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
2 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
Statement of changes in beneficial ownership
4 Jan 2005
Form 4
Statement of changes in beneficial ownership
5 Oct 2004
Form 4
Statement of changes in beneficial ownership
26 May 2004
Form 4/A
Statement of changes in beneficial ownership (amendment)
8 Nov 2006
Form 4
PRIMARY DOCUMENT
5 Jan 2004
Pawlicki Raymond
(12)
Expand
Form 4
PRIMARY DOCUMENT
25 Nov 2013
Form 4
PRIMARY DOCUMENT
18 Sep 2013
Form 4
PRIMARY DOCUMENT
7 May 2013
Form 4
PRIMARY DOCUMENT
4 Mar 2013
Form 4
PRIMARY DOCUMENT
26 Feb 2013
Form 4
PRIMARY DOCUMENT
14 Feb 2013
Form 4
PRIMARY DOCUMENT
12 Feb 2013
Form 4
PRIMARY DOCUMENT
7 Feb 2013
Form 4
PRIMARY DOCUMENT
21 Jun 2012
Form 4
PRIMARY DOCUMENT
5 Jun 2012
PICKETT CECIL B
(11)
Expand
Form 4
PRIMARY DOCUMENT
5 Oct 2009
Form 4/A
PRIMARY DOCUMENT
17 Aug 2009
Form 4
PRIMARY DOCUMENT
9 Apr 2009
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Form 4
PRIMARY DOCUMENT
6 Feb 2009
Form 4
PRIMARY DOCUMENT
6 Oct 2008
Form 4
Statement of changes in beneficial ownership
24 Jul 2008
Form 4
Statement of changes in beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
3 Oct 2007
Form 4
Statement of changes in beneficial ownership
5 Jan 2007
Artavanis-Tsakonas Spyridon
(11)
Expand
Form 4
PRIMARY DOCUMENT
5 Apr 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4
PRIMARY DOCUMENT
3 Apr 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
16 Dec 2014
Form 4
PRIMARY DOCUMENT
3 Apr 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2014
Ehlers Michael D
(11)
Expand
Form 4
PRIMARY DOCUMENT
4 Jun 2019
Form 4
PRIMARY DOCUMENT
20 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
27 Sep 2018
Form 4
PRIMARY DOCUMENT
5 Jun 2018
Form 4
PRIMARY DOCUMENT
20 Feb 2018
Form 4
PRIMARY DOCUMENT
14 Feb 2018
Form 4
PRIMARY DOCUMENT
5 Jun 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
2 Jun 2016
Biogen MA Inc.
(11)
Expand
Form 4
Statement of changes in beneficial ownership
28 Sep 2023
Form 4
Statement of changes in beneficial ownership
31 Aug 2022
Form 4
Statement of changes in beneficial ownership
30 Dec 2021
Form 4
Statement of changes in beneficial ownership
28 Dec 2021
Form 4
Statement of changes in beneficial ownership
10 Dec 2021
Form 4
Statement of changes in beneficial ownership
9 Dec 2021
Form 4
Statement of changes in beneficial ownership
3 Dec 2021
Form 4
Statement of changes in beneficial ownership
30 Nov 2021
Form 3
Initial statement of beneficial ownership
11 Jan 2021
Form 3
Initial statement of beneficial ownership
28 Sep 2020
RASTETTER WILLIAM H
(10)
Expand
Form 4
Statement of changes in beneficial ownership
1 Jul 2005
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
Statement of changes in beneficial ownership
17 Feb 2005
Form 4
Statement of changes in beneficial ownership
26 May 2004
Form 4
Statement of changes in beneficial ownership
20 May 2004
Form 4
Statement of changes in beneficial ownership
18 May 2004
Form 4
Statement of changes in beneficial ownership
6 May 2004
Form 4
MAIN DOCUMENT DESCRIPTION
19 Mar 2004
Form 4/A
MAIN DOCUMENT DESCRIPTION
9 Mar 2004
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
Kowolenko Michael
(10)
Expand
Form 4
Statement of changes in beneficial ownership
27 Jul 2007
Form 4
Statement of changes in beneficial ownership
22 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
15 Feb 2007
Form 4
Statement of changes in beneficial ownership
14 Feb 2007
Form 4
Statement of changes in beneficial ownership
8 Feb 2007
Form 4
Statement of changes in beneficial ownership
20 Sep 2006
Form 4
Statement of changes in beneficial ownership
15 Sep 2006
Form 4
Statement of changes in beneficial ownership
8 Feb 2006
Form 3
Initial statement of beneficial ownership
20 Oct 2005
Mantas Jesus B
(10)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
10 Feb 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 3
PRIMARY DOCUMENT
20 Jun 2019
HAWKINS WILLIAM A
(9)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 3
PRIMARY DOCUMENT
20 Jun 2019
BEST LAWRENCE C
(9)
Expand
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
PRIMARY DOCUMENT
6 Jan 2004
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
BELZER ALAN
(9)
Expand
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
27 Jul 2006
Form 4
Statement of changes in beneficial ownership
26 Jul 2006
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
PRIMARY DOCUMENT
5 Jan 2004
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Koppel Adam
(9)
Expand
Form 4
PRIMARY DOCUMENT
7 Jun 2016
Form 4
Statement of changes in beneficial ownership
6 Jun 2016
Form 4
PRIMARY DOCUMENT
7 Apr 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
4 Jun 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
3 Jun 2014
Form 3
PRIMARY DOCUMENT
15 May 2014
McKenzie Paul
(9)
Expand
Form 4
PRIMARY DOCUMENT
5 Mar 2019
Form 4
PRIMARY DOCUMENT
20 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
5 Mar 2018
Form 4
PRIMARY DOCUMENT
20 Feb 2018
Form 4
PRIMARY DOCUMENT
14 Feb 2018
Form 4
PRIMARY DOCUMENT
3 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 3
PRIMARY DOCUMENT
7 Jul 2016
Keeney Adam
(9)
Expand
Form 4
PRIMARY DOCUMENT
5 May
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
5 May 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
3 May 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
2 May 2023
Form 3
PRIMARY DOCUMENT
25 Apr 2023
Grogan Jane
(9)
Expand
Form 4
PRIMARY DOCUMENT
2 Nov
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
4 Nov 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
4 Nov 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
3 Nov 2023
Form 3
PRIMARY DOCUMENT
12 Oct 2023
BUCKNUM THOMAS J
(7)
Expand
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
Statement of changes in beneficial ownership
1 Dec 2004
Form 4
Statement of changes in beneficial ownership
26 May 2004
Form 4
Statement of changes in beneficial ownership
5 May 2004
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
HANNA NABIL
(7)
Expand
Form 4
PRIMARY DOCUMENT
5 Apr 2004
Form 4
PRIMARY DOCUMENT
17 Mar 2004
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
Form 4/A
PRIMARY DOCUMENT
5 Feb 2004
Form 4
PRIMARY DOCUMENT
9 Jan 2004
Form 4
PRIMARY DOCUMENT
5 Jan 2004
Form 4
PRIMARY DOCUMENT
19 Sep 2003
Freire Maria C
(7)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 3
PRIMARY DOCUMENT
29 Jun 2021
Viehbacher Christopher
(7)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
3 Dec 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
5 Dec 2022
Form 3
PRIMARY DOCUMENT
21 Nov 2022
Galdes Alphonse
(7)
Expand
Form 4
PRIMARY DOCUMENT
21 Jan 2022
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
29 Jan 2021
Form 4
PRIMARY DOCUMENT
19 Feb 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 3
PRIMARY DOCUMENT
26 Sep 2019
Godbout Sean
(7)
Expand
Form 4
PRIMARY DOCUMENT
5 Oct
Form 4
PRIMARY DOCUMENT
3 Apr
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
6 Oct 2025
Form 4
PRIMARY DOCUMENT
3 Apr 2025
Form 3
PRIMARY DOCUMENT
10 Mar 2025
CAPELLO JEFFREY D
(6)
Expand
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
6 Jan 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
PRIMARY DOCUMENT
4 Jan 2018
Form 3
PRIMARY DOCUMENT
18 Dec 2017
Gilman Michael
(6)
Expand
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
Statement of changes in beneficial ownership
3 Jan 2005
Form 4
Statement of changes in beneficial ownership
13 Dec 2004
Form 4
Statement of changes in beneficial ownership
15 Sep 2004
Form 4
Statement of changes in beneficial ownership
2 Aug 2004
Form 3
Initial statement of beneficial ownership
20 May 2004
Granata Francesco
(5)
Expand
Form 4
PRIMARY DOCUMENT
3 Feb 2012
Form 4
PRIMARY DOCUMENT
1 Jul 2011
Form 4
PRIMARY DOCUMENT
11 Feb 2011
Form 4
PRIMARY DOCUMENT
3 Feb 2011
Form 3
PRIMARY DOCUMENT
10 Aug 2010
Karp Daniel
(5)
Expand
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
5 Jul 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
3 Jul 2018
Form 3
PRIMARY DOCUMENT
19 Jun 2018
LANGER SUSAN
(5)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 3
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
28 Jun 2023
DEKKERS MARIJN E
(4)
Expand
Form 4
PRIMARY DOCUMENT
5 Jun 2009
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 3
Initial statement of beneficial ownership
1 Jun 2007
Patolawala Monish D
(4)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 3
PRIMARY DOCUMENT
9 Jan 2024
Minor Lloyd
(4)
Expand
Form 4
PRIMARY DOCUMENT
5 Aug
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 3
PRIMARY DOCUMENT
7 Oct 2024
JONES WILLIAM D /CA/
(3)
Expand
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 3
PRIMARY DOCUMENT
29 Jun 2021
LYTTON MICHAEL
(3)
Expand
Form 4
PRIMARY DOCUMENT
4 Mar 2010
Form 4
PRIMARY DOCUMENT
25 Feb 2010
Form 3
PRIMARY DOCUMENT
22 Apr 2009
Pangalos Menelas N
(3)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 3
PRIMARY DOCUMENT
7 Jan 2025
GREGOIRE SYLVIE L
(2)
Expand
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
RODRIGUEZ EDWARD
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Sep 2003
Form 3/A
PRIMARY DOCUMENT
4 Sep 2003
Kress Jean-Paul
(2)
Expand
Form 4
PRIMARY DOCUMENT
5 Jul 2017
Form 3
PRIMARY DOCUMENT
20 Jun 2017
Parini Michael
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Sep
Form 3
PRIMARY DOCUMENT
12 Aug
Cook Anne Marie
(1)
Expand
Form 3
Initial statement of beneficial ownership
18 Mar 2005
Arner Raymond G
(1)
Expand
Form 3
Initial statement of beneficial ownership
27 Jun 2005
≥5% Ownership
FMR LLC
(30)
Expand
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Biogen Inc.
6 Aug
SC 13G/A
Biogen Inc.
5 Jun
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Biogen Inc.
6 May
SC 13G
Biogen Inc.
5 Feb
SC 13G/A
Biogen Inc.
14 Feb 2017
SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Idec Inc.
13 Feb 2015
SC 13G/A
Biogen Idec Inc.
14 Feb 2014
SC 13G/A
Biogen Idec Inc.
14 Feb 2013
SC 13G/A
Biogen Idec Inc.
10 Aug 2012
BIOGEN INC.
(28)
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SC 13D/A
Apellis Pharmaceuticals, Inc.
14 May
SC 13D
Apellis Pharmaceuticals, Inc.
6 Apr
SC 13D/A
Sage Therapeutics, Inc.
30 Jul 2025
SC 13D/A
Sage Therapeutics, Inc.
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SC 13D
Sage Therapeutics, Inc.
10 Jan 2025
SC 13G/A
Denali Therapeutics Inc.
7 Nov 2024
SC 13G/A
Sangamo Therapeutics, Inc
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SC 13G/A
Denali Therapeutics Inc.
12 Feb 2024
SC 13G/A
Sangamo Therapeutics, Inc
12 Feb 2024
SC 13D/A
Reata Pharmaceuticals Inc
28 Sep 2023
PRIMECAP MANAGEMENT CO/CA/
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Expand
SC 13G/A
Biogen Inc.
13 Nov 2025
SC 13G/A
Biogen Inc.
12 Feb 2024
SC 13G/A
Biogen Inc.
9 Feb 2023
SC 13G/A
Biogen Inc.
10 Feb 2022
SC 13G/A
Biogen Inc.
12 Feb 2021
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Biogen Inc.
9 Dec 2020
SC 13G/A
Biogen Inc.
12 Feb 2020
SC 13G/A
Biogen Inc.
8 Feb 2019
SC 13G/A
Biogen Inc.
12 Feb 2016
SC 13G/A
Biogen Idec Inc.
13 Feb 2015
BlackRock Inc.
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SC 13G/A
Biogen Inc.
7 Aug 2024
SC 13G/A
Biogen Inc.
24 Jan 2024
SC 13G/A
Biogen Inc.
24 Jan 2023
SC 13G/A
Biogen Inc.
7 Mar 2022
SC 13G
Biogen Inc.
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SC 13G/A
Biogen Inc.
29 Jan 2021
SC 13G/A
Biogen Inc.
5 Feb 2020
SC 13G/A
Biogen Inc.
4 Feb 2019
SC 13G/A
Biogen Inc.
29 Jan 2018
SC 13G/A
Biogen Inc.
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VANGUARD GROUP INC
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SC 13G/A
Biogen Inc.
26 Mar
SC 13G/A
Biogen Inc.
12 Nov 2024
SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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Biogen Inc.
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Biogen Inc.
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VANGUARD CHESTER FUNDS
(11)
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SC 13G/A
Biogen Idec Inc.
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SC 13G/A
Biogen Idec Inc.
14 Feb 2013
SC 13G
Biogen Idec Inc.
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Biogen Idec Inc.
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SC 13G
Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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SC 13G/A
Biogen Idec Inc
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SC 13G/A
Biogen Idec Inc
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SC 13G/A
Biogen Idec Inc
14 Feb 2005
CITIGROUP INC
(9)
Expand
SC 13G/A
Biogen Idec Inc
5 Jan 2006
SC 13G/A
Biogen Idec Inc
9 Feb 2005
SC 13G/A
Biogen Idec Inc
11 Feb 2004
SC 13G/A
Idec Pharmaceuticals Corp / De
4 Feb 2003
SC 13G/A
Idec Pharmaceuticals Corp / De
24 Jan 2002
SC 13G/A
Idec Pharmaceuticals Corp / De
16 Feb 2001
SC 13G/A
Idec Pharmaceuticals Corp / De
8 Feb 2000
SC 13G/A
Idec Pharmaceuticals Corp / De
22 Jan 1999
SC 13G
Idec Pharmaceuticals Corp / De
6 Feb 1998
Clearbridge Advisors, LLC
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc
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Biogen Idec Inc
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Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
10 Jan 2001
SC 13G/A
Idec Pharmaceuticals Corp / De
4 Feb 2000
SC 13G/A
Idec Pharmaceuticals Corp / De
13 Oct 1998
SC 13G/A
Idec Pharmaceuticals Corp / De
10 Sep 1998
SC 13G/A
Idec Pharmaceuticals Corp / De
12 Feb 1998
SC 13G
Idec Pharmaceuticals Corp / Ca
14 Feb 1997
WELLINGTON MANAGEMENT CO LLP
(6)
Expand
SC 13G/A
Biogen Idec Inc
12 Feb 2004
SC 13G
Idec Pharmaceuticals Corp / De
10 Mar 2003
SC 13G
Idec Pharmaceuticals Corp / De
12 Feb 2003
SC 13G/A
Idec Pharmaceuticals Corp / De
1 Dec 2000
SC 13G/A
Idec Pharmaceuticals Corp / De
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SC 13G
Idec Pharmaceuticals Corp / De
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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SC 13D/A
Idec Pharmaceuticals Corp / De
14 Feb 2001
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Idec Pharmaceuticals Corp / De
19 Jul 2000
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Idec Pharmaceuticals Corp / De
21 Mar 2000
SC 13D/A
Idec Pharmaceuticals Corp / De
13 Feb 1998
SC 13D
Idec Pharmaceuticals Corp / Ca
21 May 1996
MORGAN STANLEY
(5)
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SC 13G/A
Idec Pharmaceuticals Corp / De
13 Feb 2003
SC 13G/A
Idec Pharmaceuticals Corp / De
12 Feb 2002
SC 13G
Idec Pharmaceuticals Corp / De
7 Feb 2001
SC 13G/A
Idec Pharmaceuticals Corp / De
5 Feb 1999
SC 13G
Idec Pharmaceuticals Corp / De
17 Feb 1998
SMITHKLINE BEECHAM CORP
(4)
Expand
SC 13D/A
Idec Pharmaceuticals Corp / Ca
17 Mar 1997
SC 13D/A
Idec Pharmaceuticals Corp / Ca
3 Mar 1997
SC 13D/A
Idec Pharmaceuticals Corp / Ca
13 Dec 1996
SC 13D/A
Idec Pharmaceuticals Corp / Ca
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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SC 13G/A
Idec Pharmaceuticals Corp / De
12 Feb 1999
SC 13G
Idec Pharmaceuticals Corp / De
4 Mar 1998
SC 13D/A
Idec Pharmaceuticals Corp / De
24 Jul 1997
SC 13D
Idec Pharmaceuticals Corp / Ca
10 Mar 1997
CAPITAL RESEARCH & MANAGEMENT CO
(3)
Expand
SC 13G/A
Biogen Idec Inc
12 Feb 2007
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Biogen Idec Inc
10 Feb 2006
SC 13G
Biogen Idec Inc
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Expand
SC 13G
Biogen Inc.
10 Nov
SC 13G
Biogen Inc.
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SC 13G
Biogen Inc.
16 Oct 2024
Capital Research Global Investors
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Biogen Idec Inc.
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Biogen Idec Inc.
14 Feb 2012
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Biogen Idec Inc.
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Biogen Inc.
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Biogen Idec Inc.
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Expand
SC 13G
Idec Pharmaceuticals Corp / De
11 Feb 1998
SC 13G
Idec Pharmaceuticals Corp / Ca
12 Feb 1997
GOLDMAN SACHS ASSET MANAGEMENT LP
(2)
Expand
SC 13G/A
Biogen Idec Inc.
11 Feb 2011
SC 13G
Biogen Idec Inc.
12 Feb 2010
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
(1)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
16 Feb 1999
VANGUARD/WINDSOR FUNDS INC
(1)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
10 Feb 2000
VANGUARD SPECIALIZED PORTFOLIOS INC
(1)
Expand
SC 13G
Idec Pharmaceuticals Corp / De
11 Feb 1999
AMERICAN CENTURY COMPANIES INC
(1)
Expand
SC 13G
Idec Pharmaceuticals Corp / De
4 Feb 1998
ML VENTURE PARTNERS II LP
(1)
Expand
SC 13D/A
Idec Pharmaceuticals Corp / Ca
7 May 1997
AMERINDO INVESTMENT ADVISORS INC
(1)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / Ca
10 Jul 1996
BlackRock, Inc.
(1)
Expand
SC 13G/A
Biogen Inc.
17 Apr 2025
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Biogen Inc.
29 Apr
Select Filings
Insider Ownership
ALEXANDER SUSAN H
(84)
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17 Feb
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10 Feb
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12 Feb 2025
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10 Feb 2025
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7 Nov 2024
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21 Feb 2024
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13 Feb 2024
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9 Feb 2024
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31 Jan 2024
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22 Feb 2023
MULLEN JAMES C
(77)
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10 Jun 2010
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23 Mar 2010
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1 Mar 2010
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17 Feb 2010
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PRIMARY DOCUMENT
18 Dec 2009
Form 4
PRIMARY DOCUMENT
26 Feb 2009
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17 Feb 2009
Form 4
PRIMARY DOCUMENT
10 Feb 2009
Form 4
Statement of changes in beneficial ownership
17 Apr 2008
Form 4
Statement of changes in beneficial ownership
15 Apr 2008
SCANGOS GEORGE A
(68)
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22 Jul 2016
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6 Jun 2016
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2 Jun 2016
Form 4
PRIMARY DOCUMENT
27 May 2016
Form 4
PRIMARY DOCUMENT
4 May 2016
Form 4
PRIMARY DOCUMENT
7 Apr 2016
Form 4
PRIMARY DOCUMENT
5 Apr 2016
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3 Mar 2016
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25 Feb 2016
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24 Feb 2016
SCHNEIER CRAIG ERIC
(65)
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3 Mar 2011
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28 Feb 2011
Form 4
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25 Feb 2011
Form 4
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18 Feb 2011
Form 4
PRIMARY DOCUMENT
15 Feb 2011
Form 4
PRIMARY DOCUMENT
11 Feb 2011
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PRIMARY DOCUMENT
24 Jan 2011
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21 Dec 2010
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7 Dec 2010
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4 Mar 2010
Clancy Paul J
(56)
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27 Apr 2017
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14 Mar 2017
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2 Mar 2017
Form 4
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17 Feb 2017
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
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17 Feb 2016
Form 4
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9 Feb 2016
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25 Feb 2015
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17 Feb 2015
Sandrock Alfred
(48)
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9 Jun 2021
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22 Feb 2021
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17 Feb 2021
Form 4
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29 Jan 2021
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6 Nov 2020
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PRIMARY DOCUMENT
19 Feb 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
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26 Feb 2019
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20 Feb 2019
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14 Feb 2019
WIGGINS MARK C
(47)
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Form 4
PRIMARY DOCUMENT
29 Sep 2008
Form 4
Statement of changes in beneficial ownership
28 Jul 2008
Form 4
Statement of changes in beneficial ownership
16 Jul 2008
Form 4/A
Statement of changes in beneficial ownership (amendment)
15 Feb 2008
Form 4
Statement of changes in beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
7 Feb 2008
Form 4
Statement of changes in beneficial ownership
3 Jan 2008
Form 4
Statement of changes in beneficial ownership
17 Oct 2007
Form 4
Statement of changes in beneficial ownership
7 Sep 2007
Form 4
Statement of changes in beneficial ownership
29 Aug 2007
PANGIA ROBERT W
(43)
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Form 5
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9 Feb 2021
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5 Jun 2020
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20 Jun 2019
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PRIMARY DOCUMENT
19 Mar 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
10 Jan 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
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10 Jan 2017
Form 4
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9 Jun 2016
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11 Jun 2015
DUNN JOHN MICHAEL
(38)
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26 Feb 2009
Form 4
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20 Feb 2009
Form 4
PRIMARY DOCUMENT
17 Feb 2009
Form 4
PRIMARY DOCUMENT
13 Feb 2009
Form 4
PRIMARY DOCUMENT
10 Feb 2009
Form 4
Statement of changes in beneficial ownership
5 Aug 2008
Form 4
Statement of changes in beneficial ownership
24 Jul 2008
Form 4
Statement of changes in beneficial ownership
22 Jul 2008
Form 4/A
Statement of changes in beneficial ownership (amendment)
22 Jul 2008
Form 4
Statement of changes in beneficial ownership
3 Jun 2008
Cox John
(37)
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5 Apr 2016
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25 Feb 2016
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24 Feb 2016
Form 4
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17 Feb 2016
Form 4
PRIMARY DOCUMENT
9 Feb 2016
Form 4
PRIMARY DOCUMENT
26 Mar 2015
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PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
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10 Feb 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2014
BIOGEN INC.
(36)
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Form 3
Initial statement of beneficial ownership
6 Apr
Form 4
Statement of changes in beneficial ownership
28 Sep 2023
Form 3
Initial statement of beneficial ownership
7 Aug 2023
Form 4
Statement of changes in beneficial ownership
31 Aug 2022
Form 4
Statement of changes in beneficial ownership
30 Dec 2021
Form 4
Statement of changes in beneficial ownership
28 Dec 2021
Form 4
Statement of changes in beneficial ownership
10 Dec 2021
Form 4
Statement of changes in beneficial ownership
9 Dec 2021
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Statement of changes in beneficial ownership
3 Dec 2021
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Statement of changes in beneficial ownership
30 Nov 2021
ADELMAN BURT A
(36)
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Form 5
Annual statement of beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
17 Oct 2007
Form 4
Statement of changes in beneficial ownership
31 Aug 2007
Form 4
Statement of changes in beneficial ownership
29 Aug 2007
Form 4
Statement of changes in beneficial ownership
21 Aug 2007
Form 4
Statement of changes in beneficial ownership
27 Jul 2007
Form 4
Statement of changes in beneficial ownership
3 Jul 2007
Form 4
Statement of changes in beneficial ownership
22 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
15 Feb 2007
SHERWIN STEPHEN A
(34)
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11 Jun
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18 Jun 2025
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10 Mar 2025
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25 Jun 2024
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28 Jun 2023
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27 Jan 2023
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17 Jun 2022
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2 Jul 2021
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5 Jun 2020
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12 Mar 2020
Hamm Robert A
(34)
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26 Apr 2010
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16 Apr 2010
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5 Apr 2010
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PRIMARY DOCUMENT
25 Feb 2010
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PRIMARY DOCUMENT
19 Feb 2010
Form 4
PRIMARY DOCUMENT
17 Feb 2010
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5 Nov 2009
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3 Nov 2009
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24 Jun 2009
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2 Apr 2009
SCHENK LYNN
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20 Jun 2019
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3 Dec 2018
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14 Jun 2018
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9 Jun 2017
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9 Jun 2016
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11 Jun 2015
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16 Jun 2014
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16 Jan 2014
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2 Dec 2013
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5 Nov 2013
Kramer Robin
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17 Feb
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10 Feb
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12 Feb 2025
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10 Feb 2025
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9 Dec 2024
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21 Feb 2024
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13 Feb 2024
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9 Feb 2024
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31 Jan 2024
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12 Dec 2023
Posner Brian S
(32)
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27 Jan 2023
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2 Jul 2021
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7 Jun 2021
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9 Feb 2021
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5 Jun 2020
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3 Dec 2019
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20 Jun 2019
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15 Feb 2019
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14 Jun 2018
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12 Jun 2017
DORSA CAROLINE
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18 Jun 2025
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5 May 2025
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25 Jun 2024
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28 Jun 2023
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17 Jun 2022
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2 Jul 2021
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5 Jun 2020
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20 Jun 2019
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14 Jun 2018
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9 Jun 2017
Gregory Ginger
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17 Feb
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10 Feb
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12 Feb 2025
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10 Feb 2025
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PRIMARY DOCUMENT
21 Feb 2024
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PRIMARY DOCUMENT
13 Feb 2024
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9 Feb 2024
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31 Jan 2024
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2 May 2023
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22 Feb 2023
Singhal Priya
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17 Feb
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10 Feb
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3 Feb
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2 Sep 2025
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20 May 2025
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12 Feb 2025
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10 Feb 2025
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3 Feb 2025
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9 Dec 2024
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5 Sep 2024
Holtzman Steven H
(27)
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25 Feb 2016
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17 Feb 2016
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9 Feb 2016
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25 Feb 2015
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18 Feb 2015
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17 Feb 2015
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10 Feb 2015
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2 Feb 2015
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3 Dec 2014
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12 Nov 2014
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2 Jul 2021
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5 Jun 2020
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20 Jun 2019
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14 Jun 2018
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9 Jun 2017
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9 Jun 2016
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11 Jun 2015
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16 Jun 2014
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12 Mar 2014
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13 Jun 2013
Rowinsky Eric K
(26)
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11 Jun
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18 Jun 2025
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25 Jun 2024
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PRIMARY DOCUMENT
20 Feb 2024
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PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
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PRIMARY DOCUMENT
2 Jul 2021
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PRIMARY DOCUMENT
5 Jun 2020
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20 Jun 2019
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PRIMARY DOCUMENT
14 Jun 2018
DENNER ALEXANDER J
(26)
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17 Jun 2022
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2 Jul 2021
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5 Jun 2020
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PRIMARY DOCUMENT
20 Jun 2019
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PRIMARY DOCUMENT
2 May 2019
Form 4
PRIMARY DOCUMENT
1 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
27 Apr 2018
Form 4
Statement of changes in beneficial ownership
30 Nov 2017
Form 4
Statement of changes in beneficial ownership
31 Aug 2017
Gagnon Robert E.
(25)
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1 Mar 2012
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PRIMARY DOCUMENT
27 Feb 2012
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16 Feb 2012
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PRIMARY DOCUMENT
13 Feb 2012
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PRIMARY DOCUMENT
10 Feb 2012
Form 4
PRIMARY DOCUMENT
8 Dec 2011
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PRIMARY DOCUMENT
2 Dec 2011
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14 Nov 2011
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4 Nov 2011
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PRIMARY DOCUMENT
7 Oct 2011
COVINO GREGORY F
(24)
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5 Mar 2018
Form 4
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27 Feb 2018
Form 4
PRIMARY DOCUMENT
26 Feb 2018
Form 4
PRIMARY DOCUMENT
20 Feb 2018
Form 4
PRIMARY DOCUMENT
14 Feb 2018
Form 4
PRIMARY DOCUMENT
5 Dec 2017
Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
5 Dec 2016
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PRIMARY DOCUMENT
2 May 2016
HASLER HANS PETER
(24)
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26 Feb 2009
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20 Feb 2009
Form 4
PRIMARY DOCUMENT
17 Feb 2009
Form 4
PRIMARY DOCUMENT
13 Feb 2009
Form 4
PRIMARY DOCUMENT
10 Feb 2009
Form 4
PRIMARY DOCUMENT
7 Nov 2008
Form 4
PRIMARY DOCUMENT
4 Nov 2008
Form 4
Statement of changes in beneficial ownership
24 Jul 2008
Form 4
Statement of changes in beneficial ownership
3 Jun 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Vounatsos Michel
(24)
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PRIMARY DOCUMENT
23 Feb 2022
Form 4
PRIMARY DOCUMENT
15 Feb 2022
Form 4
PRIMARY DOCUMENT
14 Feb 2022
Form 4
PRIMARY DOCUMENT
21 Jan 2022
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
29 Jan 2021
Form 4
PRIMARY DOCUMENT
1 Dec 2020
Form 4
PRIMARY DOCUMENT
19 Feb 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
MATSUI CONNIE
(23)
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Form 4
Statement of changes in beneficial ownership
14 Feb 2007
Form 4
Statement of changes in beneficial ownership
8 Feb 2007
Form 4
Statement of changes in beneficial ownership
18 Jan 2007
Form 4
Statement of changes in beneficial ownership
18 Oct 2006
Form 4
Statement of changes in beneficial ownership
15 Sep 2006
Form 4
Statement of changes in beneficial ownership
18 Jul 2006
Form 4
Statement of changes in beneficial ownership
2 May 2006
Form 4
Statement of changes in beneficial ownership
8 Feb 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2006
Form 4/A
Statement of changes in beneficial ownership (amendment)
5 Jan 2006
ROHN WILLIAM R
(22)
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Form 4
Statement of changes in beneficial ownership
19 Nov 2004
Form 4
Statement of changes in beneficial ownership
19 Nov 2004
Form 4
Statement of changes in beneficial ownership
2 Sep 2004
Form 4/A
Statement of changes in beneficial ownership (amendment)
2 Sep 2004
Form 4
Statement of changes in beneficial ownership
1 Sep 2004
Form 4
Statement of changes in beneficial ownership
4 Jun 2004
Form 4
Statement of changes in beneficial ownership
4 Jun 2004
Form 4
PRIMARY DOCUMENT
4 Mar 2004
Form 4
PRIMARY DOCUMENT
4 Mar 2004
Form 4
PRIMARY DOCUMENT
4 Mar 2004
SHARP PHILIP A
(22)
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Form 4
PRIMARY DOCUMENT
5 Jun 2009
Form 4
Statement of changes in beneficial ownership
22 Jul 2008
Form 4
Statement of changes in beneficial ownership
9 Jul 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
MacLean Michael F
(22)
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Form 4
PRIMARY DOCUMENT
4 Oct 2010
Form 4
PRIMARY DOCUMENT
3 Aug 2010
Form 4
PRIMARY DOCUMENT
23 Mar 2010
Form 4/A
PRIMARY DOCUMENT
20 Apr 2010
Form 4
PRIMARY DOCUMENT
25 Feb 2010
Form 4
PRIMARY DOCUMENT
17 Feb 2010
Form 4
PRIMARY DOCUMENT
19 Jan 2010
Form 4
PRIMARY DOCUMENT
3 Nov 2009
Form 4
PRIMARY DOCUMENT
5 Oct 2009
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Izzar Rachid
(22)
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Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
16 Jul 2025
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
11 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
BIOGEN IDEC MA INC
(21)
Expand
Form 4
Statement of changes in beneficial ownership
9 Nov 2006
Form 3
MAIN DOCUMENT DESCRIPTION
14 Feb 2006
Form 4
MAIN DOCUMENT DESCRIPTION
14 Feb 2006
Form 4
Statement of changes in beneficial ownership
16 Aug 2005
Form 4
Statement of changes in beneficial ownership
12 Aug 2005
Form 4
Statement of changes in beneficial ownership
10 Aug 2005
Form 4
Statement of changes in beneficial ownership
8 Aug 2005
Form 4
Statement of changes in beneficial ownership
4 Aug 2005
Form 4
Statement of changes in beneficial ownership
2 Aug 2005
Form 4
Statement of changes in beneficial ownership
29 Jul 2005
ROSS BRUCE
(21)
Expand
Form 4
PRIMARY DOCUMENT
10 Jun 2010
Form 4
PRIMARY DOCUMENT
25 Jun 2009
Form 4
PRIMARY DOCUMENT
5 Jun 2009
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
4 Jun 2008
Form 4
Statement of changes in beneficial ownership
27 Aug 2007
Form 4
Statement of changes in beneficial ownership
16 Aug 2007
Form 4
Statement of changes in beneficial ownership
27 Jul 2007
Form 4
Statement of changes in beneficial ownership
25 Jul 2007
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
DiPietro Kenneth
(21)
Expand
Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4/A
PRIMARY DOCUMENT
9 Feb 2016
Form 4
PRIMARY DOCUMENT
2 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Mar 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
18 Feb 2015
Murphy Nicole
(21)
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Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
3 Apr 2024
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
4 Apr 2023
KELLER THOMAS F
(20)
Expand
Form 4/A
Statement of changes in beneficial ownership (amendment)
7 Mar 2008
Form 4
Statement of changes in beneficial ownership
17 Oct 2007
Form 4
Statement of changes in beneficial ownership
27 Aug 2007
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
2 Nov 2006
Form 4
Statement of changes in beneficial ownership
5 Sep 2006
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
4 Apr 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Mulligan Richard
(19)
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Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
11 Jun 2015
Form 4
PRIMARY DOCUMENT
16 Jun 2014
Form 4
PRIMARY DOCUMENT
13 Jun 2013
WILLIAMS DOUGLAS E
(18)
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Form 4
PRIMARY DOCUMENT
22 Jun 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
10 Feb 2015
Form 4
PRIMARY DOCUMENT
2 Feb 2015
Form 4
PRIMARY DOCUMENT
21 Mar 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2014
Form 4
PRIMARY DOCUMENT
11 Feb 2014
Form 4
PRIMARY DOCUMENT
3 Feb 2014
Form 4
PRIMARY DOCUMENT
28 Aug 2013
PAPADOPOULOS STELIOS
(18)
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17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 4
PRIMARY DOCUMENT
14 Jun 2018
Form 4
PRIMARY DOCUMENT
9 Jun 2017
Form 4
PRIMARY DOCUMENT
9 Jun 2016
Form 4
PRIMARY DOCUMENT
27 Jul 2015
Form 4
PRIMARY DOCUMENT
11 Jun 2015
Form 4
PRIMARY DOCUMENT
16 Jun 2014
YOUNG WILLIAM
(18)
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Form 4
PRIMARY DOCUMENT
9 Jan 2014
Form 4
PRIMARY DOCUMENT
13 Jun 2013
Form 4
PRIMARY DOCUMENT
11 Jun 2012
Form 4
PRIMARY DOCUMENT
29 Sep 2011
Form 4
PRIMARY DOCUMENT
2 Sep 2011
Form 4
PRIMARY DOCUMENT
31 Aug 2011
Form 4
PRIMARY DOCUMENT
2 Jun 2011
Form 4
PRIMARY DOCUMENT
4 Jan 2011
Form 4
PRIMARY DOCUMENT
10 Jun 2010
Form 4
PRIMARY DOCUMENT
11 Jun 2009
MCDONNELL MICHAEL R
(17)
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PRIMARY DOCUMENT
12 Feb 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
21 Feb 2024
Form 4
PRIMARY DOCUMENT
13 Feb 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
31 Jan 2024
Form 4
PRIMARY DOCUMENT
6 Sep 2023
Form 4
PRIMARY DOCUMENT
22 Feb 2023
Form 4
PRIMARY DOCUMENT
14 Feb 2023
Form 4
PRIMARY DOCUMENT
10 Feb 2023
GLASSBERG ALAN
(17)
Expand
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
1 May 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
3 Oct 2006
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
Statement of changes in beneficial ownership
1 Dec 2004
Form 4/A
Statement of changes in beneficial ownership (amendment)
8 Nov 2006
Hasnain Faheem
(16)
Expand
Form 4
Statement of changes in beneficial ownership
10 Jul 2008
Form 4
Statement of changes in beneficial ownership
10 Apr 2008
Form 4
Statement of changes in beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
7 Feb 2008
Form 4
Statement of changes in beneficial ownership
2 Nov 2007
Form 4
Statement of changes in beneficial ownership
9 Oct 2007
Form 4/A
Statement of changes in beneficial ownership (amendment)
24 May 2007
Form 4
Statement of changes in beneficial ownership
24 May 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Kingsley Stuart A
(16)
Expand
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
10 Feb 2015
Form 4
PRIMARY DOCUMENT
12 Mar 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2014
Form 4
PRIMARY DOCUMENT
11 Feb 2014
Form 4
PRIMARY DOCUMENT
3 Feb 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2013
Form 4
PRIMARY DOCUMENT
12 Feb 2013
Form 4
PRIMARY DOCUMENT
5 Feb 2013
Karaboutis Adriana
(15)
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Form 4
PRIMARY DOCUMENT
2 Mar 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
5 Dec 2016
Form 4
PRIMARY DOCUMENT
5 Oct 2016
Form 4
PRIMARY DOCUMENT
4 Oct 2016
Form 4
PRIMARY DOCUMENT
26 Feb 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
3 Dec 2015
Form 4
PRIMARY DOCUMENT
6 Oct 2015
Guindo Chirfi
(15)
Expand
Form 4
PRIMARY DOCUMENT
23 Feb 2022
Form 4
PRIMARY DOCUMENT
15 Feb 2022
Form 4
PRIMARY DOCUMENT
14 Feb 2022
Form 4
PRIMARY DOCUMENT
21 Jan 2022
Form 4
PRIMARY DOCUMENT
9 Jun 2021
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
3 Dec 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
3 Dec 2019
KELLOGG PETER N
(12)
Expand
Form 4
Statement of changes in beneficial ownership
22 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
15 Feb 2007
Form 4
Statement of changes in beneficial ownership
14 Feb 2007
Form 4
Statement of changes in beneficial ownership
8 Feb 2007
Form 4
Statement of changes in beneficial ownership
20 Sep 2006
Form 4
Statement of changes in beneficial ownership
15 Sep 2006
Form 4
Statement of changes in beneficial ownership
8 Feb 2006
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
GOOD MARY L
(12)
Expand
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
2 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
Statement of changes in beneficial ownership
4 Jan 2005
Form 4
Statement of changes in beneficial ownership
5 Oct 2004
Form 4
Statement of changes in beneficial ownership
26 May 2004
Form 4/A
Statement of changes in beneficial ownership (amendment)
8 Nov 2006
Form 4
PRIMARY DOCUMENT
5 Jan 2004
Pawlicki Raymond
(12)
Expand
Form 4
PRIMARY DOCUMENT
25 Nov 2013
Form 4
PRIMARY DOCUMENT
18 Sep 2013
Form 4
PRIMARY DOCUMENT
7 May 2013
Form 4
PRIMARY DOCUMENT
4 Mar 2013
Form 4
PRIMARY DOCUMENT
26 Feb 2013
Form 4
PRIMARY DOCUMENT
14 Feb 2013
Form 4
PRIMARY DOCUMENT
12 Feb 2013
Form 4
PRIMARY DOCUMENT
7 Feb 2013
Form 4
PRIMARY DOCUMENT
21 Jun 2012
Form 4
PRIMARY DOCUMENT
5 Jun 2012
PICKETT CECIL B
(11)
Expand
Form 4
PRIMARY DOCUMENT
5 Oct 2009
Form 4/A
PRIMARY DOCUMENT
17 Aug 2009
Form 4
PRIMARY DOCUMENT
9 Apr 2009
Form 4
PRIMARY DOCUMENT
26 Feb 2009
Form 4
PRIMARY DOCUMENT
6 Feb 2009
Form 4
PRIMARY DOCUMENT
6 Oct 2008
Form 4
Statement of changes in beneficial ownership
24 Jul 2008
Form 4
Statement of changes in beneficial ownership
14 Feb 2008
Form 4
Statement of changes in beneficial ownership
3 Oct 2007
Form 4
Statement of changes in beneficial ownership
5 Jan 2007
Artavanis-Tsakonas Spyridon
(11)
Expand
Form 4
PRIMARY DOCUMENT
5 Apr 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
17 Feb 2016
Form 4
PRIMARY DOCUMENT
3 Apr 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
PRIMARY DOCUMENT
17 Feb 2015
Form 4
PRIMARY DOCUMENT
16 Dec 2014
Form 4
PRIMARY DOCUMENT
3 Apr 2014
Form 4
PRIMARY DOCUMENT
14 Feb 2014
Ehlers Michael D
(11)
Expand
Form 4
PRIMARY DOCUMENT
4 Jun 2019
Form 4
PRIMARY DOCUMENT
20 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
27 Sep 2018
Form 4
PRIMARY DOCUMENT
5 Jun 2018
Form 4
PRIMARY DOCUMENT
20 Feb 2018
Form 4
PRIMARY DOCUMENT
14 Feb 2018
Form 4
PRIMARY DOCUMENT
5 Jun 2017
Form 4
PRIMARY DOCUMENT
17 Feb 2017
Form 4
PRIMARY DOCUMENT
2 Jun 2016
Biogen MA Inc.
(11)
Expand
Form 4
Statement of changes in beneficial ownership
28 Sep 2023
Form 4
Statement of changes in beneficial ownership
31 Aug 2022
Form 4
Statement of changes in beneficial ownership
30 Dec 2021
Form 4
Statement of changes in beneficial ownership
28 Dec 2021
Form 4
Statement of changes in beneficial ownership
10 Dec 2021
Form 4
Statement of changes in beneficial ownership
9 Dec 2021
Form 4
Statement of changes in beneficial ownership
3 Dec 2021
Form 4
Statement of changes in beneficial ownership
30 Nov 2021
Form 3
Initial statement of beneficial ownership
11 Jan 2021
Form 3
Initial statement of beneficial ownership
28 Sep 2020
RASTETTER WILLIAM H
(10)
Expand
Form 4
Statement of changes in beneficial ownership
1 Jul 2005
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
Statement of changes in beneficial ownership
17 Feb 2005
Form 4
Statement of changes in beneficial ownership
26 May 2004
Form 4
Statement of changes in beneficial ownership
20 May 2004
Form 4
Statement of changes in beneficial ownership
18 May 2004
Form 4
Statement of changes in beneficial ownership
6 May 2004
Form 4
MAIN DOCUMENT DESCRIPTION
19 Mar 2004
Form 4/A
MAIN DOCUMENT DESCRIPTION
9 Mar 2004
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
Kowolenko Michael
(10)
Expand
Form 4
Statement of changes in beneficial ownership
27 Jul 2007
Form 4
Statement of changes in beneficial ownership
22 Mar 2007
Form 4
Statement of changes in beneficial ownership
16 Mar 2007
Form 4
Statement of changes in beneficial ownership
15 Feb 2007
Form 4
Statement of changes in beneficial ownership
14 Feb 2007
Form 4
Statement of changes in beneficial ownership
8 Feb 2007
Form 4
Statement of changes in beneficial ownership
20 Sep 2006
Form 4
Statement of changes in beneficial ownership
15 Sep 2006
Form 4
Statement of changes in beneficial ownership
8 Feb 2006
Form 3
Initial statement of beneficial ownership
20 Oct 2005
Mantas Jesus B
(10)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
10 Feb 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 3
PRIMARY DOCUMENT
20 Jun 2019
HAWKINS WILLIAM A
(9)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 4
PRIMARY DOCUMENT
5 Jun 2020
Form 4
PRIMARY DOCUMENT
20 Jun 2019
Form 3
PRIMARY DOCUMENT
20 Jun 2019
BEST LAWRENCE C
(9)
Expand
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
PRIMARY DOCUMENT
6 Jan 2004
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
BELZER ALAN
(9)
Expand
Form 4
Statement of changes in beneficial ownership
30 May 2007
Form 4
Statement of changes in beneficial ownership
27 Jul 2006
Form 4
Statement of changes in beneficial ownership
26 Jul 2006
Form 4
Statement of changes in beneficial ownership
30 May 2006
Form 4
Statement of changes in beneficial ownership
10 Jan 2006
Form 4
Statement of changes in beneficial ownership
5 Jan 2005
Form 4
PRIMARY DOCUMENT
5 Jan 2004
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Koppel Adam
(9)
Expand
Form 4
PRIMARY DOCUMENT
7 Jun 2016
Form 4
Statement of changes in beneficial ownership
6 Jun 2016
Form 4
PRIMARY DOCUMENT
7 Apr 2016
Form 4
PRIMARY DOCUMENT
25 Feb 2016
Form 4
PRIMARY DOCUMENT
24 Feb 2016
Form 4
PRIMARY DOCUMENT
4 Jun 2015
Form 4
PRIMARY DOCUMENT
25 Feb 2015
Form 4
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3 Jun 2014
Form 3
PRIMARY DOCUMENT
15 May 2014
McKenzie Paul
(9)
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Form 4
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5 Mar 2019
Form 4
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20 Feb 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
5 Mar 2018
Form 4
PRIMARY DOCUMENT
20 Feb 2018
Form 4
PRIMARY DOCUMENT
14 Feb 2018
Form 4
PRIMARY DOCUMENT
3 Mar 2017
Form 4
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17 Feb 2017
Form 3
PRIMARY DOCUMENT
7 Jul 2016
Keeney Adam
(9)
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Form 4
PRIMARY DOCUMENT
5 May
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
5 May 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
3 May 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
2 May 2023
Form 3
PRIMARY DOCUMENT
25 Apr 2023
Grogan Jane
(9)
Expand
Form 4
PRIMARY DOCUMENT
2 Nov
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
4 Nov 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
4 Nov 2024
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
3 Nov 2023
Form 3
PRIMARY DOCUMENT
12 Oct 2023
BUCKNUM THOMAS J
(7)
Expand
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
Statement of changes in beneficial ownership
1 Dec 2004
Form 4
Statement of changes in beneficial ownership
26 May 2004
Form 4
Statement of changes in beneficial ownership
5 May 2004
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
HANNA NABIL
(7)
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Form 4
PRIMARY DOCUMENT
5 Apr 2004
Form 4
PRIMARY DOCUMENT
17 Mar 2004
Form 4
MAIN DOCUMENT DESCRIPTION
10 Feb 2004
Form 4/A
PRIMARY DOCUMENT
5 Feb 2004
Form 4
PRIMARY DOCUMENT
9 Jan 2004
Form 4
PRIMARY DOCUMENT
5 Jan 2004
Form 4
PRIMARY DOCUMENT
19 Sep 2003
Freire Maria C
(7)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 4
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 3
PRIMARY DOCUMENT
29 Jun 2021
Viehbacher Christopher
(7)
Expand
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
3 Dec 2025
Form 4
PRIMARY DOCUMENT
10 Feb 2025
Form 4
PRIMARY DOCUMENT
9 Feb 2024
Form 4
PRIMARY DOCUMENT
5 Dec 2022
Form 3
PRIMARY DOCUMENT
21 Nov 2022
Galdes Alphonse
(7)
Expand
Form 4
PRIMARY DOCUMENT
21 Jan 2022
Form 4
PRIMARY DOCUMENT
22 Feb 2021
Form 4
PRIMARY DOCUMENT
17 Feb 2021
Form 4
PRIMARY DOCUMENT
29 Jan 2021
Form 4
PRIMARY DOCUMENT
19 Feb 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 3
PRIMARY DOCUMENT
26 Sep 2019
Godbout Sean
(7)
Expand
Form 4
PRIMARY DOCUMENT
5 Oct
Form 4
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3 Apr
Form 4
PRIMARY DOCUMENT
17 Feb
Form 4
PRIMARY DOCUMENT
10 Feb
Form 4
PRIMARY DOCUMENT
6 Oct 2025
Form 4
PRIMARY DOCUMENT
3 Apr 2025
Form 3
PRIMARY DOCUMENT
10 Mar 2025
CAPELLO JEFFREY D
(6)
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Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
6 Jan 2020
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
4 Jan 2019
Form 4
PRIMARY DOCUMENT
4 Jan 2018
Form 3
PRIMARY DOCUMENT
18 Dec 2017
Gilman Michael
(6)
Expand
Form 4
Statement of changes in beneficial ownership
22 Feb 2005
Form 4
Statement of changes in beneficial ownership
3 Jan 2005
Form 4
Statement of changes in beneficial ownership
13 Dec 2004
Form 4
Statement of changes in beneficial ownership
15 Sep 2004
Form 4
Statement of changes in beneficial ownership
2 Aug 2004
Form 3
Initial statement of beneficial ownership
20 May 2004
Granata Francesco
(5)
Expand
Form 4
PRIMARY DOCUMENT
3 Feb 2012
Form 4
PRIMARY DOCUMENT
1 Jul 2011
Form 4
PRIMARY DOCUMENT
11 Feb 2011
Form 4
PRIMARY DOCUMENT
3 Feb 2011
Form 3
PRIMARY DOCUMENT
10 Aug 2010
Karp Daniel
(5)
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Form 4
PRIMARY DOCUMENT
14 Feb 2020
Form 4
PRIMARY DOCUMENT
5 Jul 2019
Form 4
PRIMARY DOCUMENT
14 Feb 2019
Form 4
PRIMARY DOCUMENT
3 Jul 2018
Form 3
PRIMARY DOCUMENT
19 Jun 2018
LANGER SUSAN
(5)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 3
PRIMARY DOCUMENT
28 Jun 2023
Form 4
PRIMARY DOCUMENT
28 Jun 2023
DEKKERS MARIJN E
(4)
Expand
Form 4
PRIMARY DOCUMENT
5 Jun 2009
Form 4
Statement of changes in beneficial ownership
23 Jun 2008
Form 4
Statement of changes in beneficial ownership
1 Jun 2007
Form 3
Initial statement of beneficial ownership
1 Jun 2007
Patolawala Monish D
(4)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 4
PRIMARY DOCUMENT
25 Jun 2024
Form 3
PRIMARY DOCUMENT
9 Jan 2024
Minor Lloyd
(4)
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Form 4
PRIMARY DOCUMENT
5 Aug
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 3
PRIMARY DOCUMENT
7 Oct 2024
JONES WILLIAM D /CA/
(3)
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Form 4
PRIMARY DOCUMENT
17 Jun 2022
Form 4
PRIMARY DOCUMENT
2 Jul 2021
Form 3
PRIMARY DOCUMENT
29 Jun 2021
LYTTON MICHAEL
(3)
Expand
Form 4
PRIMARY DOCUMENT
4 Mar 2010
Form 4
PRIMARY DOCUMENT
25 Feb 2010
Form 3
PRIMARY DOCUMENT
22 Apr 2009
Pangalos Menelas N
(3)
Expand
Form 4
PRIMARY DOCUMENT
11 Jun
Form 4
PRIMARY DOCUMENT
18 Jun 2025
Form 3
PRIMARY DOCUMENT
7 Jan 2025
GREGOIRE SYLVIE L
(2)
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Form 3
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
Form 4
MAIN DOCUMENT DESCRIPTION
14 Nov 2003
RODRIGUEZ EDWARD
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Sep 2003
Form 3/A
PRIMARY DOCUMENT
4 Sep 2003
Kress Jean-Paul
(2)
Expand
Form 4
PRIMARY DOCUMENT
5 Jul 2017
Form 3
PRIMARY DOCUMENT
20 Jun 2017
Parini Michael
(2)
Expand
Form 4
PRIMARY DOCUMENT
3 Sep
Form 3
PRIMARY DOCUMENT
12 Aug
Cook Anne Marie
(1)
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Form 3
Initial statement of beneficial ownership
18 Mar 2005
Arner Raymond G
(1)
Expand
Form 3
Initial statement of beneficial ownership
27 Jun 2005
≥5% Ownership
FMR LLC
(30)
Expand
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Biogen Inc.
6 Aug
SC 13G/A
Biogen Inc.
5 Jun
SC 13G/A
Biogen Inc.
6 May
SC 13G
Biogen Inc.
5 Feb
SC 13G/A
Biogen Inc.
14 Feb 2017
SC 13G/A
Biogen Inc.
12 Feb 2016
SC 13G/A
Biogen Idec Inc.
13 Feb 2015
SC 13G/A
Biogen Idec Inc.
14 Feb 2014
SC 13G/A
Biogen Idec Inc.
14 Feb 2013
SC 13G/A
Biogen Idec Inc.
10 Aug 2012
BIOGEN INC.
(28)
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SC 13D/A
Apellis Pharmaceuticals, Inc.
14 May
SC 13D
Apellis Pharmaceuticals, Inc.
6 Apr
SC 13D/A
Sage Therapeutics, Inc.
30 Jul 2025
SC 13D/A
Sage Therapeutics, Inc.
21 Jul 2025
SC 13D
Sage Therapeutics, Inc.
10 Jan 2025
SC 13G/A
Denali Therapeutics Inc.
7 Nov 2024
SC 13G/A
Sangamo Therapeutics, Inc
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SC 13G/A
Denali Therapeutics Inc.
12 Feb 2024
SC 13G/A
Sangamo Therapeutics, Inc
12 Feb 2024
SC 13D/A
Reata Pharmaceuticals Inc
28 Sep 2023
PRIMECAP MANAGEMENT CO/CA/
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Expand
SC 13G/A
Biogen Inc.
13 Nov 2025
SC 13G/A
Biogen Inc.
12 Feb 2024
SC 13G/A
Biogen Inc.
9 Feb 2023
SC 13G/A
Biogen Inc.
10 Feb 2022
SC 13G/A
Biogen Inc.
12 Feb 2021
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Biogen Inc.
9 Dec 2020
SC 13G/A
Biogen Inc.
12 Feb 2020
SC 13G/A
Biogen Inc.
8 Feb 2019
SC 13G/A
Biogen Inc.
12 Feb 2016
SC 13G/A
Biogen Idec Inc.
13 Feb 2015
BlackRock Inc.
(17)
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SC 13G/A
Biogen Inc.
7 Aug 2024
SC 13G/A
Biogen Inc.
24 Jan 2024
SC 13G/A
Biogen Inc.
24 Jan 2023
SC 13G/A
Biogen Inc.
7 Mar 2022
SC 13G
Biogen Inc.
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SC 13G/A
Biogen Inc.
29 Jan 2021
SC 13G/A
Biogen Inc.
5 Feb 2020
SC 13G/A
Biogen Inc.
4 Feb 2019
SC 13G/A
Biogen Inc.
29 Jan 2018
SC 13G/A
Biogen Inc.
19 Jan 2017
VANGUARD GROUP INC
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SC 13G/A
Biogen Inc.
26 Mar
SC 13G/A
Biogen Inc.
12 Nov 2024
SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
12 Feb 2024
SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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SC 13G/A
Biogen Inc.
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Biogen Inc.
12 Feb 2020
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Biogen Inc.
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VANGUARD CHESTER FUNDS
(11)
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SC 13G/A
Biogen Idec Inc.
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SC 13G/A
Biogen Idec Inc.
14 Feb 2013
SC 13G
Biogen Idec Inc.
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Biogen Idec Inc.
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SC 13G
Biogen Idec Inc.
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SC 13G/A
Biogen Idec Inc.
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SC 13G/A
Biogen Idec Inc.
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SC 13G/A
Biogen Idec Inc
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SC 13G/A
Biogen Idec Inc
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SC 13G/A
Biogen Idec Inc
14 Feb 2005
CITIGROUP INC
(9)
Expand
SC 13G/A
Biogen Idec Inc
5 Jan 2006
SC 13G/A
Biogen Idec Inc
9 Feb 2005
SC 13G/A
Biogen Idec Inc
11 Feb 2004
SC 13G/A
Idec Pharmaceuticals Corp / De
4 Feb 2003
SC 13G/A
Idec Pharmaceuticals Corp / De
24 Jan 2002
SC 13G/A
Idec Pharmaceuticals Corp / De
16 Feb 2001
SC 13G/A
Idec Pharmaceuticals Corp / De
8 Feb 2000
SC 13G/A
Idec Pharmaceuticals Corp / De
22 Jan 1999
SC 13G
Idec Pharmaceuticals Corp / De
6 Feb 1998
Clearbridge Advisors, LLC
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc
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SC 13G
Biogen Idec Inc
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Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
10 Jan 2001
SC 13G/A
Idec Pharmaceuticals Corp / De
4 Feb 2000
SC 13G/A
Idec Pharmaceuticals Corp / De
13 Oct 1998
SC 13G/A
Idec Pharmaceuticals Corp / De
10 Sep 1998
SC 13G/A
Idec Pharmaceuticals Corp / De
12 Feb 1998
SC 13G
Idec Pharmaceuticals Corp / Ca
14 Feb 1997
WELLINGTON MANAGEMENT CO LLP
(6)
Expand
SC 13G/A
Biogen Idec Inc
12 Feb 2004
SC 13G
Idec Pharmaceuticals Corp / De
10 Mar 2003
SC 13G
Idec Pharmaceuticals Corp / De
12 Feb 2003
SC 13G/A
Idec Pharmaceuticals Corp / De
1 Dec 2000
SC 13G/A
Idec Pharmaceuticals Corp / De
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SC 13G
Idec Pharmaceuticals Corp / De
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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SC 13D/A
Idec Pharmaceuticals Corp / De
14 Feb 2001
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Idec Pharmaceuticals Corp / De
19 Jul 2000
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Idec Pharmaceuticals Corp / De
21 Mar 2000
SC 13D/A
Idec Pharmaceuticals Corp / De
13 Feb 1998
SC 13D
Idec Pharmaceuticals Corp / Ca
21 May 1996
MORGAN STANLEY
(5)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
13 Feb 2003
SC 13G/A
Idec Pharmaceuticals Corp / De
12 Feb 2002
SC 13G
Idec Pharmaceuticals Corp / De
7 Feb 2001
SC 13G/A
Idec Pharmaceuticals Corp / De
5 Feb 1999
SC 13G
Idec Pharmaceuticals Corp / De
17 Feb 1998
SMITHKLINE BEECHAM CORP
(4)
Expand
SC 13D/A
Idec Pharmaceuticals Corp / Ca
17 Mar 1997
SC 13D/A
Idec Pharmaceuticals Corp / Ca
3 Mar 1997
SC 13D/A
Idec Pharmaceuticals Corp / Ca
13 Dec 1996
SC 13D/A
Idec Pharmaceuticals Corp / Ca
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Biogen Idec Inc.
3 Feb 2009
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Biogen Idec Inc.
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Biogen Idec Inc.
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Biogen Idec Inc.
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FEINBERG LARRY N
(4)
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SC 13G/A
Idec Pharmaceuticals Corp / De
12 Feb 1999
SC 13G
Idec Pharmaceuticals Corp / De
4 Mar 1998
SC 13D/A
Idec Pharmaceuticals Corp / De
24 Jul 1997
SC 13D
Idec Pharmaceuticals Corp / Ca
10 Mar 1997
CAPITAL RESEARCH & MANAGEMENT CO
(3)
Expand
SC 13G/A
Biogen Idec Inc
12 Feb 2007
SC 13G/A
Biogen Idec Inc
10 Feb 2006
SC 13G
Biogen Idec Inc
11 Feb 2005
STATE STREET CORP
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Expand
SC 13G
Biogen Inc.
10 Nov
SC 13G
Biogen Inc.
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SC 13G
Biogen Inc.
16 Oct 2024
Capital Research Global Investors
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Biogen Idec Inc.
12 Feb 2013
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Biogen Idec Inc.
14 Feb 2012
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Biogen Idec Inc.
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Biogen Inc.
11 Feb 2016
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Biogen Idec Inc.
12 Feb 2015
CAPITAL GROUP COMPANIES INC ET AL
(2)
Expand
SC 13G
Idec Pharmaceuticals Corp / De
11 Feb 1998
SC 13G
Idec Pharmaceuticals Corp / Ca
12 Feb 1997
GOLDMAN SACHS ASSET MANAGEMENT LP
(2)
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SC 13G/A
Biogen Idec Inc.
11 Feb 2011
SC 13G
Biogen Idec Inc.
12 Feb 2010
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
(1)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
16 Feb 1999
VANGUARD/WINDSOR FUNDS INC
(1)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / De
10 Feb 2000
VANGUARD SPECIALIZED PORTFOLIOS INC
(1)
Expand
SC 13G
Idec Pharmaceuticals Corp / De
11 Feb 1999
AMERICAN CENTURY COMPANIES INC
(1)
Expand
SC 13G
Idec Pharmaceuticals Corp / De
4 Feb 1998
ML VENTURE PARTNERS II LP
(1)
Expand
SC 13D/A
Idec Pharmaceuticals Corp / Ca
7 May 1997
AMERINDO INVESTMENT ADVISORS INC
(1)
Expand
SC 13G/A
Idec Pharmaceuticals Corp / Ca
10 Jul 1996
BlackRock, Inc.
(1)
Expand
SC 13G/A
Biogen Inc.
17 Apr 2025
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
Biogen Inc.
29 Apr
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