JOHN MARAGANORE

Business address
75 Sidney St, Cambridge, MA, 02139
Top holdings (ownership)
ALNY, AGIO, and BEAM
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JOHN MARAGANORE has filed 145 SEC EDGAR filings since 18 Oct 2002

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 26 Jun 2025 25 Jun 2025 001-39460
4 Open Document Open Filing 4 18 Jun 2025 17 Jun 2025 001-42121
4 Open Document Open Filing 4 06 Jun 2025 04 Jun 2025 001-39208
4 Open Document Open Filing 4 20 Jun 2024 18 Jun 2024 001-39460
4 Open Document Open Filing 4 07 Jun 2024 05 Jun 2024 001-39208
3 Open Document Open Filing 3 06 Jun 2024 06 Jun 2024 001-42121
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jul 2023 29 Jun 2023 001-40560
4 Open Document Open Filing FORM 4 SUBMISSION 20 Jun 2023 15 Jun 2023 001-39460
4 Open Document Open Filing 4 08 Jun 2023 06 Jun 2023 001-39208
5 Open Document Open Filing FORM 5 03 Feb 2023 31 Dec 2022 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 02 Sep 2022 01 Sep 2022 001-39208
4 Open Document Open Filing FORM 4 13 Jul 2022 11 Jul 2022 001-40560
3 Open Document Open Filing 13 Jul 2022 11 Jul 2022 001-40560
4 Open Document Open Filing FORM 4 23 Jun 2022 21 Jun 2022 001-36014
4 Open Document Open Filing FORM 4 24 May 2022 20 May 2022 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 19 Jan 2022 18 Jan 2022 001-39460
3 Open Document Open Filing FORM 3 SUBMISSION 19 Jan 2022 17 Jan 2022 001-39460
4 Open Document Open Filing PRIMARY DOCUMENT 23 Dec 2021 21 Dec 2021 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2021 10 Dec 2021 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 12 Nov 2021 12 Nov 2021 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 08 Nov 2021 05 Nov 2021 001-39208
3 Open Document Open Filing FORM 3 SUBMISSION 08 Nov 2021 05 Nov 2021 001-39208
4 Open Document Open Filing PRIMARY DOCUMENT 16 Aug 2021 13 Aug 2021 001-36407
4 Open Document Open Filing FORM 4 02 Jun 2021 28 May 2021 001-36014
4 Open Document Open Filing FORM 4 24 May 2021 20 May 2021 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2021 13 May 2021 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 21 Apr 2021 19 Apr 2021 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 26 Feb 2021 24 Feb 2021 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 16 Feb 2021 11 Feb 2021 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 20 Nov 2020 19 Nov 2020 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 21 Aug 2020 20 Aug 2020 001-36407
4 Open Document Open Filing FORM 4 01 Jun 2020 28 May 2020 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 22 May 2020 20 May 2020 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 09 Apr 2020 07 Apr 2020 001-36407
4 Open Document Open Filing FORM 4 28 Feb 2020 14 Feb 2020 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 28 Feb 2020 26 Feb 2020 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 21 Feb 2020 20 Feb 2020 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 26 Dec 2019 23 Dec 2019 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 26 Nov 2019 22 Nov 2019 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 16 Oct 2019 14 Oct 2019 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 07 Aug 2019 06 Aug 2019 001-36407
4 Open Document Open Filing FORM 4 14 Jun 2019 12 Jun 2019 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jun 2019 05 Jun 2019 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 31 May 2019 29 May 2019 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 17 May 2019 15 May 2019 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 01 Mar 2019 28 Feb 2019 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 26 Nov 2018 21 Nov 2018 001-36407
4/A Open Document Open Filing FORM 4/A SUBMISSION 06 Nov 2018 12 Sep 2018 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 28 Sep 2018 27 Sep 2018 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 13 Sep 2018 11 Sep 2018 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 23 Aug 2018 21 Aug 2018 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 14 Aug 2018 10 Aug 2018 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 27 Jul 2018 25 Jul 2018 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 04 Jun 2018 31 May 2018 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 05 Mar 2018 01 Mar 2018 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 21 Dec 2017 19 Dec 2017 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 24 Nov 2017 22 Nov 2017 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 17 Nov 2017 15 Nov 2017 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 08 Nov 2017 06 Nov 2017 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 22 Sep 2017 20 Sep 2017 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 18 Sep 2017 14 Sep 2017 001-35966
4 Open Document Open Filing FORM 4 SUBMISSION 28 Aug 2017 24 Aug 2017 001-35966
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jul 2017 07 Jul 2017 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2017 13 Jun 2017 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jun 2017 08 Jun 2017 001-35966
4 Open Document Open Filing FORM 4 SUBMISSION 06 Mar 2017 03 Mar 2017 001-35966
4 Open Document Open Filing FORM 4 SUBMISSION 23 Jan 2017 20 Dec 2016 001-35966
4 Open Document Open Filing PRIMARY DOCUMENT 06 Jan 2017 05 Jan 2017 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 22 Dec 2016 20 Dec 2016 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 14 Dec 2016 12 Dec 2016 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 14 Oct 2016 12 Oct 2016 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jul 2016 19 Jul 2016 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 23 Jun 2016 21 Jun 2016 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 03 Jun 2016 02 Jun 2016 001-35966
4 Open Document Open Filing PRIMARY DOCUMENT 21 Apr 2016 19 Apr 2016 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 03 Feb 2016 01 Feb 2016 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 21 Jan 2016 19 Jan 2016 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 22 Dec 2015 18 Dec 2015 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 04 Dec 2015 02 Dec 2015 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 20 Nov 2015 20 Nov 2015 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 25 Jun 2015 23 Jun 2015 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 17 Jun 2015 15 Jun 2015 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 08 Jun 2015 04 Jun 2015 001-35966
4 Open Document Open Filing PRIMARY DOCUMENT 05 May 2015 01 May 2015 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 30 Apr 2015 28 Apr 2015 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jan 2015 26 Jan 2015 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 22 Dec 2014 19 Dec 2014 001-35966
4 Open Document Open Filing FORM 4 SUBMISSION 18 Dec 2014 16 Dec 2014 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 16 Dec 2014 12 Dec 2014 001-36407
4 Open Document Open Filing PRIMARY DOCUMENT 19 Sep 2014 17 Sep 2014 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 14 Jul 2014 14 Jul 2014 001-35966
4 Open Document Open Filing PRIMARY DOCUMENT 27 Jun 2014 25 Jun 2014 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 24 Jun 2014 23 Jun 2014 001-36014
4 Open Document Open Filing FORM 4 SUBMISSION 12 Jun 2014 11 Jun 2014 001-35966
4 Open Document Open Filing FORM 4 SUBMISSION 05 Jun 2014 30 May 2014 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 16 May 2014 14 May 2014 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 30 Apr 2014 29 Apr 2014 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 15 Apr 2014 14 Apr 2014 001-36407
4 Open Document Open Filing FORM 4 SUBMISSION 03 Apr 2014 24 Jul 2013 001-36014
4 Open Document Open Filing PRIMARY DOCUMENT 04 Feb 2014 03 Feb 2014 000-50743