JEFFREY M. JONAS

Business address
C/O Generation Bio Co., 301 Binney St., Cambridge, MA, 02142
Top holdings (ownership)
SAGE and GBIO
Get insider transactions for this reporting owner
JEFFREY M. JONAS has filed 70 SEC EDGAR filings since 08 Jul 1997

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing FORM 4 31 Oct 2025 29 Oct 2025 001-39522
3 Open Document Open Filing FORM 3 31 Oct 2025 29 Oct 2025 001-39522
4 Open Document Open Filing 06 Jun 2025 04 Jun 2025 001-39319
144 Open Document Open Filing 13 Dec 2024
4 Open Document Open Filing PRIMARY DOCUMENT 11 Jun 2024 10 Jun 2024 001-36544
4 Open Document Open Filing 10 Jun 2024 06 Jun 2024 001-39319
4 Open Document Open Filing FORM 4 18 Mar 2024 15 Mar 2024 001-38958
4 Open Document Open Filing PRIMARY DOCUMENT 30 Nov 2023 28 Nov 2023 001-36544
4 Open Document Open Filing 4 05 Sep 2023 01 Sep 2023 001-38958
4 Open Document Open Filing 4 02 Aug 2023 01 Aug 2023 001-38958
4 Open Document Open Filing 4 05 Jul 2023 03 Jul 2023 001-38958
144 Open Document Open Filing 03 Jul 2023
4 Open Document Open Filing 4 22 Jun 2023 20 Jun 2023 001-38958
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jun 2023 15 Jun 2023 001-36544
4 Open Document Open Filing 12 Jun 2023 08 Jun 2023 001-39319
4 Open Document Open Filing PRIMARY DOCUMENT 10 Feb 2023 10 Feb 2023 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 07 Feb 2023 03 Feb 2023 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 05 Jan 2023 03 Jan 2023 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 16 Jun 2022 15 Jun 2022 001-38958
4 Open Document Open Filing 13 Jun 2022 09 Jun 2022 001-39319
4 Open Document Open Filing PRIMARY DOCUMENT 29 Apr 2022 27 Apr 2022 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 18 Feb 2022 17 Feb 2022 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 15 Feb 2022 11 Feb 2022 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 21 Oct 2021 19 Oct 2021 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 23 Jun 2021 16 Jun 2021 001-38958
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jun 2021 15 Jun 2021 001-36544
4 Open Document Open Filing 11 Jun 2021 09 Jun 2021 001-39319
4 Open Document Open Filing PRIMARY DOCUMENT 12 Feb 2021 10 Feb 2021 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 28 Jan 2021 27 Jan 2021 001-36544
3/A Open Document Open Filing FORM 3/A SUBMISSION 13 Jan 2021 11 Jun 2020 001-39319
4 Open Document Open Filing FORM 4 SUBMISSION 15 Jun 2020 11 Jun 2020 001-39319
3 Open Document Open Filing FORM 3 SUBMISSION 11 Jun 2020 11 Jun 2020 001-39319
4 Open Document Open Filing PRIMARY DOCUMENT 08 Jun 2020 04 Jun 2020 001-38958
4 Open Document Open Filing PRIMARY DOCUMENT 30 Apr 2020 28 Apr 2020 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 14 Feb 2020 12 Feb 2020 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 10 Dec 2019 09 Dec 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 12 Sep 2019 11 Sep 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 29 Jul 2019 25 Jul 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jul 2019 16 Jul 2019 001-36544
4 Open Document Open Filing FORM 4 SUBMISSION 01 Jul 2019 27 Jun 2019 001-38958
3 Open Document Open Filing FORM 3 SUBMISSION 27 Jun 2019 27 Jun 2019 001-38958
4 Open Document Open Filing PRIMARY DOCUMENT 25 Jun 2019 21 Jun 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 29 May 2019 28 May 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 24 May 2019 23 May 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 15 Feb 2019 13 Feb 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 10 Jan 2019 09 Jan 2019 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 11 Dec 2018 07 Dec 2018 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 04 Apr 2018 02 Apr 2018 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 26 Dec 2017 26 Dec 2017 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 22 Dec 2017 21 Dec 2017 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 08 Feb 2017 06 Feb 2017 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 16 Dec 2016 08 Dec 2016 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 10 Feb 2016 08 Feb 2016 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 07 Jan 2016 07 Jan 2016 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 24 Jul 2015 23 Jul 2015 001-36544
4 Open Document Open Filing PRIMARY DOCUMENT 17 Jun 2015 15 Jun 2015 001-36544
4 Open Document Open Filing FORM 4 SUBMISSION 27 Jan 2015 23 Jan 2015 001-36544
4 Open Document Open Filing FORM 4 SUBMISSION 23 Jul 2014 23 Jul 2014 001-36544
3 Open Document Open Filing FORM 3 SUBMISSION 17 Jul 2014 17 Jul 2014 001-36544