Biogen Inc. reports

Location
225 Binney Street, Cambridge, MA
State of incorporation
DE
Fiscal year end
December 31
Data updated at
2/13/2025, 06:09 AM
Form type Sec Links Description Filing date Reporting date
10-K Report | Data 10-K Feb 12, 2025 Dec 31, 2024
8-K Report | Data 8-K Feb 12, 2025 Feb 12, 2025
8-K Report | Data 8-K Jan 15, 2025 Jan 13, 2025
SC 13G/A Report Nov 12, 2024
SC 13G/A Report SC 13G/A Nov 7, 2024
SC 13G/A Report Nov 4, 2024
8-K Report | Data 8-K Oct 30, 2024 Oct 28, 2024
10-Q Report | Data 10-Q Oct 30, 2024 Sep 30, 2024
8-K Report | Data 8-K Oct 30, 2024 Oct 30, 2024
SC 13G Report Oct 16, 2024
8-K Report | Data 8-K Sep 12, 2024 Sep 11, 2024
SC 13G/A Report SC 13G/A Aug 16, 2024
8-K Report | Data 8-K Aug 14, 2024 Aug 12, 2024
SC 13G/A Report Aug 7, 2024
10-Q Report | Data 10-Q Aug 1, 2024 Jun 30, 2024
8-K Report | Data 8-K Aug 1, 2024 Aug 1, 2024
8-K Report | Data 8-K Jun 25, 2024 Jun 20, 2024
10-Q Report | Data 10-Q Apr 24, 2024 Mar 31, 2024
8-K Report | Data 8-K Apr 24, 2024 Apr 24, 2024
10-K Report | Data 10-K Feb 14, 2024 Dec 31, 2023
8-K Report | Data 8-K Feb 13, 2024 Feb 13, 2024
SC 13G/A Report PRIMECAP MANAGEMENT CO/CA/ Feb 12, 2024
SC 13G/A Report SC 13G/A Feb 12, 2024
SC 13G/A Report SC 13G/A Feb 12, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2024
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2024
SC 13G/A Report Jan 24, 2024
8-K Report | Data 8-K Dec 12, 2023 Dec 6, 2023
8-K Report | Data 8-K Nov 8, 2023 Nov 6, 2023
10-Q Report | Data 10-Q Nov 8, 2023 Sep 30, 2023
8-K Report | Data 8-K Nov 8, 2023 Nov 8, 2023
8-K/A Report | Data 8-K/A Sep 28, 2023 Jun 26, 2023
SC 13D/A Report SC 13D/A Sep 28, 2023
8-K Report | Data 8-K Sep 26, 2023 Sep 26, 2023
8-K Report | Data 8-K Sep 1, 2023 Aug 28, 2023
SC 13D Report SC 13D Aug 7, 2023
8-K Report | Data FORM 8-K Jul 31, 2023 Jul 28, 2023
8-K Report | Data 8-K Jul 28, 2023 Jul 28, 2023
10-Q Report | Data 10-Q Jul 25, 2023 Jun 30, 2023
8-K Report | Data 8-K Jul 25, 2023 Jul 25, 2023
8-K Report | Data 8-K Jun 29, 2023 Jun 26, 2023
8-K Report | Data 8-K May 3, 2023 May 3, 2023
10-Q Report | Data 10-Q Apr 25, 2023 Mar 31, 2023
8-K Report | Data 8-K Apr 25, 2023 Apr 25, 2023
8-K Report | Data 8-K Apr 18, 2023 Apr 12, 2023
8-K Report | Data 8-K Mar 9, 2023 Mar 5, 2023
10-K Report | Data 10-K Feb 15, 2023 Dec 31, 2022
8-K Report | Data 8-K Feb 15, 2023 Feb 15, 2023
SC 13G/A Report PRIMECAP MANAGEMENT CO/CA/ Feb 9, 2023
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2023
SC 13G/A Report Jan 24, 2023
8-K Report | Data 8-K Nov 10, 2022 Nov 10, 2022
10-Q Report | Data 10-Q Oct 25, 2022 Sep 30, 2022
8-K Report | Data 8-K Oct 25, 2022 Oct 25, 2022
10-Q Report | Data 10-Q Jul 20, 2022 Jun 30, 2022
8-K/A Report | Data 8-K/A Jul 20, 2022 Jul 20, 2022
8-K Report | Data 8-K Jul 20, 2022 Jul 20, 2022
8-K Report | Data 8-K Jun 21, 2022 Jun 15, 2022
10-Q Report | Data 10-Q May 3, 2022 Mar 31, 2022
8-K Report | Data 8-K May 3, 2022 May 3, 2022
SC 13G/A Report Mar 7, 2022
SC 13G/A Report PRIMECAP MANAGEMENT CO/CA/ Feb 10, 2022
SC 13G/A Report SCHEDULE 13G/A Feb 9, 2022
SC 13G Report Feb 8, 2022
10-K Report | Data 10-K Feb 3, 2022 Dec 31, 2021
8-K Report | Data 8-K Feb 3, 2022 Feb 3, 2022
8-K Report | Data FORM 8-K Jan 31, 2022 Jan 25, 2022
8-K Report | Data 8-K Nov 19, 2021 Nov 18, 2021
8-K Report | Data 8-K Nov 17, 2021 Nov 15, 2021
10-Q Report | Data 10-Q Oct 20, 2021 Sep 30, 2021
8-K Report | Data 8-K Oct 20, 2021 Oct 20, 2021
10-Q Report | Data 10-Q Jul 22, 2021 Jun 30, 2021
8-K Report | Data 8-K Jul 22, 2021 Jul 22, 2021
8-K Report | Data 8-K Jun 8, 2021 Jun 2, 2021
10-Q Report | Data 10-Q Apr 22, 2021 Mar 31, 2021
8-K Report | Data 8-K Apr 22, 2021 Apr 22, 2021
8-K Report | Data 8-K Apr 9, 2021 Apr 7, 2021
8-K Report | Data 8-K Feb 16, 2021 Feb 16, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2021
SC 13G/A Report SCHEDULE 13G/A Feb 10, 2021
8-K Report | Data 8-K Feb 4, 2021 Feb 4, 2021
10-K Report | Data 10-K Feb 3, 2021 Dec 31, 2020
8-K Report | Data 8-K Feb 3, 2021 Feb 3, 2021
SC 13G/A Report Jan 29, 2021
SC 13G Report SC 13G Jan 11, 2021
SC 13G/A Report SC 13G/A Dec 9, 2020
10-Q Report | Data 10-Q Oct 21, 2020 Sep 30, 2020
8-K Report | Data 8-K Oct 21, 2020 Oct 21, 2020
SC 13G Report SC 13G Sep 28, 2020
8-K Report | Data 8-K Sep 21, 2020 Sep 15, 2020
10-Q Report | Data 10-Q Jul 22, 2020 Jun 30, 2020
8-K Report | Data 8-K Jul 22, 2020 Jul 22, 2020
8-K Report | Data 8-K Jul 22, 2020 Jul 16, 2020
8-K Report | Data 8-K Jun 18, 2020 Jun 18, 2020
8-K Report | Data 8-K Jun 5, 2020 Jun 3, 2020
8-K Report | Data 8-K Apr 30, 2020 Apr 27, 2020
10-Q Report | Data 10-Q Apr 23, 2020 Mar 31, 2020
8-K Report | Data 8-K Apr 22, 2020 Apr 22, 2020
8-K Report | Data 8-K Apr 20, 2020 Apr 20, 2020
SC 13G Report SC 13G Apr 17, 2020
SC 13G/A Report SC 13G/A Feb 12, 2020
SC 13G/A Report SCHEDULE 13G/A Feb 12, 2020
SC 13G/A Report SC 13G/A Feb 11, 2020
SC 13G/A Report SC 13G/A Feb 11, 2020
10-K Report | Data 10-K Feb 6, 2020 Dec 31, 2019
SC 13G/A Report Feb 5, 2020
8-K Report | Data 8-K Feb 3, 2020 Jan 28, 2020
8-K Report | Data 8-K Jan 30, 2020 Jan 30, 2020
8-K Report | Data 8-K Dec 19, 2019 Dec 19, 2019
10-Q Report | Data 10-Q Oct 22, 2019 Sep 30, 2019
8-K Report | Data 8-K Oct 22, 2019 Oct 22, 2019
8-K Report | Data 8-K Oct 1, 2019 Sep 29, 2019
10-Q Report | Data 10-Q Jul 24, 2019 Jun 30, 2019
8-K Report 8-K Jul 23, 2019 Jul 23, 2019
8-K Report 8-K Jun 20, 2019 Jun 19, 2019
8-K Report 8-K May 15, 2019 May 9, 2019
8-K Report 8-K Apr 29, 2019 Apr 29, 2019
10-Q Report | Data 10-Q Apr 24, 2019 Mar 31, 2019
8-K Report 8-K Apr 24, 2019 Apr 24, 2019
8-K Report 8-K Mar 25, 2019 Mar 24, 2019
SC 13D Report SC 13D Mar 14, 2019
SC 13G Report SC 13G Feb 14, 2019
SC 13G/A Report Feb 11, 2019
SC 13G/A Report SC 13G/A Feb 8, 2019
10-K Report | Data 10-K Feb 6, 2019 Dec 31, 2018
SC 13G/A Report Feb 4, 2019
8-K Report 8-K Jan 29, 2019 Jan 29, 2019
8-K Report 8-K Nov 1, 2018 Nov 1, 2018
10-Q Report | Data 10-Q Oct 23, 2018 Sep 30, 2018
8-K Report 8-K Oct 23, 2018 Oct 23, 2018
8-K Report 8-K Aug 3, 2018 Aug 3, 2018
10-Q Report | Data 10-Q Jul 24, 2018 Jun 30, 2018
8-K Report 8-K Jul 24, 2018 Jul 24, 2018
8-K Report 8-K Jun 26, 2018 Jun 21, 2018
8-K Report 8-K Jun 15, 2018 Jun 12, 2018
SC 13G Report SC 13G Jun 7, 2018
10-Q Report | Data 10-Q Apr 24, 2018 Mar 31, 2018
8-K Report 8-K Apr 24, 2018 Apr 24, 2018
SC 13G/A Report Feb 8, 2018
10-K Report | Data 10-K Feb 1, 2018 Dec 31, 2017
SC 13G/A Report Jan 29, 2018
8-K Report 8-K Jan 25, 2018 Jan 25, 2018
8-K Report 8-K Nov 21, 2017 Nov 21, 2017
8-K Report 8-K Nov 7, 2017 Nov 7, 2017
10-Q Report | Data 10-Q Oct 24, 2017 Sep 30, 2017
8-K Report 8-K Oct 24, 2017 Oct 24, 2017
10-Q Report | Data 10-Q Jul 25, 2017 Jun 30, 2017
8-K Report | Data 8-K Jul 25, 2017 Jul 25, 2017
8-K Report 8-K Jun 13, 2017 Jun 10, 2017
8-K Report 8-K Jun 9, 2017 Jun 7, 2017
10-Q Report | Data 10-Q Apr 25, 2017 Mar 31, 2017
8-K Report 8-K Apr 25, 2017 Apr 25, 2017
SC 13G/A Report Feb 14, 2017
SC 13G/A Report Feb 10, 2017
10-K Report | Data 10-K Feb 2, 2017 Dec 31, 2016
8-K Report 8-K Feb 2, 2017 Feb 2, 2017
8-K Report CURRENT REPORT Feb 1, 2017 Feb 1, 2017
8-K Report 8-K Jan 26, 2017 Jan 26, 2017
SC 13G/A Report Jan 19, 2017
8-K Report Jan 17, 2017 Jan 17, 2017
8-K Report 8-K Dec 19, 2016 Dec 19, 2016
8-K Report 8-K Dec 12, 2016 Dec 9, 2016
10-Q Report | Data 10-Q Oct 26, 2016 Sep 30, 2016
8-K Report 8-K Oct 26, 2016 Oct 26, 2016
10-Q Report | Data 10-Q Jul 21, 2016 Jun 30, 2016
8-K Report 8-K Jul 21, 2016 Jul 21, 2016
8-K Report 8-K Jun 21, 2016 Jun 21, 2016
8-K Report 8-K Jun 9, 2016 Jun 8, 2016
8-K Report | Data 8-K May 3, 2016 May 3, 2016
8-K Report 8-K Apr 29, 2016 Apr 29, 2016
10-Q Report | Data 10-Q Apr 21, 2016 Mar 31, 2016
8-K Report | Data 8-K Apr 21, 2016 Apr 21, 2016
SC 13G/A Report Feb 12, 2016
SC 13G/A Report SC 13G/A Feb 12, 2016
SC 13G/A Report BIIB AS OF 12/31/2015 Feb 11, 2016
SC 13G/A Report Feb 10, 2016
SC 13G/A Report Feb 10, 2016
10-K Report | Data 10-K Feb 3, 2016 Dec 31, 2015
8-K Report 8-K Jan 27, 2016 Jan 27, 2016
10-Q Report | Data 10-Q Oct 21, 2015 Sep 30, 2015
8-K Report 8-K Oct 21, 2015 Oct 21, 2015
8-K Report 8-K Sep 16, 2015 Sep 15, 2015
8-K Report FORM 8-K Sep 14, 2015 Sep 10, 2015
8-K Report 8-K Sep 1, 2015 Aug 28, 2015
SC 13G Report SC 13G Aug 20, 2015
10-Q Report | Data 10-Q Jul 24, 2015 Jun 30, 2015
8-K Report 8-K Jul 24, 2015 Jul 24, 2015
8-K Report 8-K Jun 11, 2015 Jun 11, 2015
10-Q Report | Data 10-Q Apr 24, 2015 Mar 31, 2015
8-K Report 8-K Apr 24, 2015 Apr 23, 2015
8-K Report 8-K Mar 27, 2015 Mar 27, 2015
SC 13G/A Report SC 13G/A Feb 13, 2015
SC 13G/A Report Feb 13, 2015
SC 13G Report BIIB AS OF 12/31/2014 Feb 12, 2015
SC 13G Report Feb 11, 2015
10-K Report | Data 10-K Feb 4, 2015 Dec 31, 2014
8-K Report 8-K Jan 29, 2015 Jan 29, 2015
SC 13G/A Report Jan 29, 2015
10-Q Report | Data 10-Q Oct 22, 2014 Sep 30, 2014
8-K Report 8-K Oct 22, 2014 Oct 22, 2014
10-Q Report | Data 10-Q Jul 23, 2014 Jun 30, 2014
8-K Report 8-K Jul 23, 2014 Jul 23, 2014
8-K Report 8-K Jun 13, 2014 Jun 12, 2014
10-Q Report | Data 10-Q Apr 23, 2014 Mar 31, 2014
8-K Report 8-K Apr 23, 2014 Apr 23, 2014
8-K Report 8-K Feb 18, 2014 Feb 12, 2014
SC 13G/A Report SC 13G/A Feb 14, 2014
SC 13G/A Report Feb 14, 2014
10-K Report | Data 10-K Feb 6, 2014 Dec 31, 2013
SC 13G/A Report Feb 4, 2014
SC 13G/A Report Feb 4, 2014
8-K Report 8-K Jan 29, 2014 Jan 29, 2014
10-Q Report | Data 10-Q Oct 28, 2013 Sep 30, 2013
8-K Report 8-K Oct 28, 2013 Oct 28, 2013
8-K Report 8-K Aug 26, 2013 Aug 23, 2013
10-Q Report | Data 10-Q Jul 25, 2013 Jun 30, 2013
8-K Report 8-K Jul 25, 2013 Jul 25, 2013
8-K Report 8-K Jun 14, 2013 Jun 12, 2013
8-K Report 8-K May 30, 2013 May 30, 2013
10-Q Report | Data 10-Q Apr 25, 2013 Mar 31, 2013
8-K Report 8-K Apr 25, 2013 Apr 25, 2013
8-K Report 8-K Apr 2, 2013 Apr 2, 2013
8-K Report 8-K Mar 14, 2013 Mar 14, 2013
SC 13G/A Report Feb 14, 2013
SC 13G/A Report Feb 14, 2013
SC 13G/A Report SC 13G/A Feb 12, 2013
8-K/A Report 8-K/A Feb 12, 2013 Feb 5, 2013
SC 13G/A Report Feb 8, 2013
8-K Report 8-K Feb 6, 2013 Feb 5, 2013
10-K Report | Data 10-K Feb 5, 2013 Dec 31, 2012
SC 13G Report Jan 30, 2013
8-K Report 8-K Jan 28, 2013 Jan 28, 2013
10-Q Report | Data 10-Q Oct 25, 2012 Sep 30, 2012
8-K Report FORM 8-K Oct 25, 2012 Oct 25, 2012
8-K Report 8-K Oct 9, 2012 Oct 9, 2012
SC 13G/A Report Aug 10, 2012
10-Q Report | Data FORM 10-Q Jul 24, 2012 Jun 30, 2012
8-K/A Report FORM 8-K AMENDMENT Jul 24, 2012 Jul 24, 2012
8-K Report FORM 8-K Jul 24, 2012 Jul 24, 2012
8-K Report FORM 8-K Jun 13, 2012 Jun 7, 2012
10-Q Report | Data FORM 10-Q May 1, 2012 Mar 31, 2012
8-K Report FORM 8-K May 1, 2012 May 1, 2012
8-K Report FORM 8-K Mar 2, 2012 Feb 27, 2012
SC 13G Report Feb 14, 2012
SC 13G/A Report BIOGEN Feb 14, 2012
SC 13G/A Report SC 13G/A Feb 14, 2012
SC 13G/A Report SC 13G/A Feb 13, 2012
SC 13G/A Report SCHEDULE 13G Feb 13, 2012
SC 13G/A Report SCHEDULE 13G Feb 13, 2012
SC 13G/A Report Feb 13, 2012
10-K Report | Data 10-K Feb 3, 2012 Dec 31, 2011
8-K Report FORM 8-K Jan 31, 2012 Jan 31, 2012
SC 13G/A Report Jan 27, 2012
8-K Report FORM 8-K Dec 19, 2011 Dec 19, 2011
8-K Report FORM 8-K Dec 14, 2011 Dec 13, 2011
8-K Report FORM 8-K Nov 29, 2011 Nov 29, 2011
SC 13G/A Report SC 13G/A Nov 3, 2011
10-Q Report | Data BIOGEN IDEC INC. Oct 28, 2011 Sep 30, 2011
8-K Report FORM 8-K Oct 28, 2011 Oct 28, 2011
8-K Report FORM 8-K Sep 29, 2011 Sep 29, 2011
10-Q Report | Data FORM 10-Q Jul 26, 2011 Jun 30, 2011
8-K Report FORM 8-K Jul 26, 2011 Jul 26, 2011
8-K Report FORM 8-K Jun 24, 2011 Jun 23, 2011
8-K Report FORM 8-K Jun 23, 2011 Jun 23, 2011
SC 13D/A Report Jun 22, 2011
8-K Report FORM 8-K Jun 7, 2011 Jun 1, 2011
SC 13D/A Report May 23, 2011
10-Q Report | Data 10-Q Apr 21, 2011 Mar 31, 2011
8-K Report FORM 8-K Apr 21, 2011 Apr 21, 2011
8-K Report FORM 8-K Mar 1, 2011 Feb 28, 2011
SC 13G/A Report DOC ONE Feb 14, 2011
SC 13G/A Report SC 13G/A Feb 14, 2011
SC 13G/A Report Feb 11, 2011
8-K Report FORM 8-K Feb 11, 2011 Feb 11, 2011
SC 13G/A Report Feb 11, 2011
SC 13G Report AVEO PHARMACEUTICALS, INC. Feb 11, 2011
SC 13G Report Feb 10, 2011
SC 13G Report SC 13G Feb 9, 2011
10-K Report | Data FORM 10-K Feb 4, 2011 Dec 31, 2010
SC 13G/A Report Feb 2, 2011
8-K/A Report 8-K/A Feb 1, 2011 Feb 1, 2011
8-K Report FORM 8-K Feb 1, 2011 Feb 1, 2011
8-K Report FORM 8-K Jan 21, 2011 Jan 21, 2011
8-K Report FORM 8-K Nov 3, 2010 Oct 28, 2010
10-Q Report | Data BIOGEN IDEC INC. Oct 26, 2010 Sep 30, 2010
8-K Report FORM 8-K Oct 26, 2010 Oct 26, 2010
8-K Report FORM 8-K Oct 21, 2010 Oct 19, 2010
8-K Report FORM 8-K Oct 8, 2010 Oct 5, 2010
SC 13G/A Report SC 13G/A Aug 10, 2010
8-K Report FORM 8-K Aug 6, 2010 Aug 6, 2010
10-Q Report | Data BIOGEN IDEC INC. Jul 20, 2010 Jun 30, 2010
8-K Report FORM 8-K Jul 20, 2010 Jul 20, 2010
8-K Report FORM 8-K Jul 1, 2010 Jun 28, 2010
8-K Report FORM 8-K Jun 10, 2010 Jun 9, 2010
8-K Report FORM 8-K Jun 7, 2010 Jun 7, 2010
10-Q Report | Data BIOGEN IDEC INC. Apr 20, 2010 Mar 31, 2010
8-K Report FORM 8-K Apr 20, 2010 Apr 20, 2010
SC 13D/A Report AMENDMENT NUMBER 3 Mar 22, 2010
8-K Report Mar 22, 2010 Mar 22, 2010
SC 13G/A Report DOC ONE Feb 16, 2010
SC 13G/A Report BIIB Feb 12, 2010
SC 13G Report Feb 12, 2010
SC 13G/A Report SC 13G/A Feb 11, 2010
10-K Report | Data BIOGEN IDEC INC. Feb 9, 2010 Dec 31, 2009
8-K Report FORM 8-K Feb 9, 2010 Feb 9, 2010
SC 13G Report Jan 29, 2010
SC 13D/A Report AMENDMENT NO. 2 Jan 28, 2010
8-K Report FORM 8-K Jan 28, 2010 Jan 28, 2010
8-K Report FORM 8-K Jan 12, 2010 Jan 12, 2010
8-K Report FORM 8-K Jan 4, 2010 Jan 4, 2010