Flagship Ventures Fund IV General Partner LLC

Entity
Company
Business address
55 Cambridge Parkway, Suite 800 E, 02142 Cambridge, MA
Phone
617-868-1888
State of incorporation
DE
Fiscal year end
December 31
13F signature
Noubar B. Afeyan, Ph.D. - Manager
Insider ownership signature
Flagship Ventures Fund IV General Partner LLC, By: /s/ Noubar B. Afeyan, Ph.D., Name: Noubar B. Afeyan, Ph.D., Title: Manager
All SEC filings
View on sec.gov
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Flagship Ventures Fund IV General Partner LLC has filed 96 SEC EDGAR filings since 2/5/2014

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-NT Open Document Open Filing Nov 14, 2025 Sep 30, 2025 028-17238
N-PX Open Document Open Filing Sep 2, 2025 Jun 30, 2025 028-17238
13F-NT Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-17238
13F-NT Open Document Open Filing May 15, 2025 Mar 31, 2025 028-17238
13F-NT Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-17238
13F-NT Open Document Open Filing Nov 14, 2024 Sep 30, 2024 028-17238
N-PX Open Document Open Filing Sep 3, 2024 Jun 30, 2024 028-17238
13F-NT Open Document Open Filing Aug 14, 2024 Jun 30, 2024 028-17238
13F-NT Open Document Open Filing May 15, 2024 Mar 31, 2024 028-17238
13F-NT Open Document Open Filing Feb 14, 2024 Dec 31, 2023 028-17238
13F-NT Open Document Open Filing Nov 14, 2023 Sep 30, 2023 028-17238
13F-NT Open Document Open Filing Aug 14, 2023 Jun 30, 2023 028-17238
4 Open Document Open Filing 4 Jul 13, 2023 Jul 11, 2023 001-38473
13F-NT Open Document Open Filing May 15, 2023 Mar 31, 2023 028-17238
13F-NT Open Document Open Filing Feb 14, 2023 Dec 31, 2022 028-17238
13F-NT Open Document Open Filing Nov 14, 2022 Sep 30, 2022 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Oct 17, 2022 Oct 13, 2022 001-38901
13F-NT Open Document Open Filing Aug 15, 2022 Jun 30, 2022 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Jun 1, 2022 May 27, 2022 001-38473
13F-NT Open Document Open Filing May 16, 2022 Mar 31, 2022 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Mar 18, 2022 Mar 16, 2022 001-38901
13F-NT Open Document Open Filing Feb 14, 2022 Dec 31, 2021 028-17238
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2022
SC 13G/A Open Document Open Filing SC 13G/A Feb 14, 2022
13F-NT Open Document Open Filing Nov 15, 2021 Sep 30, 2021 028-17238
13F-NT Open Document Open Filing Aug 16, 2021 Jun 30, 2021 028-17238
13F-NT Open Document Open Filing May 17, 2021 Mar 31, 2021 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Mar 23, 2021 Mar 19, 2021 001-38586
SC 13G/A Open Document Open Filing SC 13G/A Feb 16, 2021
13F-NT Open Document Open Filing Feb 16, 2021 Dec 31, 2020 028-17238
SC 13G/A Open Document Open Filing SC 13G/A Feb 16, 2021
4 Open Document Open Filing FORM 4 SUBMISSION Feb 10, 2021 Feb 8, 2021 001-38822
4 Open Document Open Filing FORM 4 SUBMISSION Feb 4, 2021 Feb 2, 2021 001-38473
4 Open Document Open Filing FORM 4 SUBMISSION Nov 25, 2020 Nov 23, 2020 001-37465
13F-NT Open Document Open Filing Nov 16, 2020 Sep 30, 2020 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Aug 19, 2020 Aug 17, 2020 001-38753
13F-NT Open Document Open Filing Aug 13, 2020 Jun 30, 2020 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Jul 1, 2020 Jun 29, 2020 001-38473
4 Open Document Open Filing FORM 4 SUBMISSION Jun 8, 2020 Jun 4, 2020 001-38822
4 Open Document Open Filing FORM 4 SUBMISSION May 26, 2020 May 21, 2020 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION May 20, 2020 May 18, 2020 001-38901
13F-NT Open Document Open Filing May 14, 2020 Mar 31, 2020 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION May 13, 2020 May 11, 2020 001-38753
13F-NT Open Document Open Filing Feb 13, 2020 Dec 31, 2019 028-17238
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2020
4 Open Document Open Filing FORM 4 SUBMISSION Dec 11, 2019 Dec 9, 2019 001-38753
13F-NT Open Document Open Filing Nov 14, 2019 Sep 30, 2019 028-17238
4 Open Document Open Filing FORM 4 SUBMISSION Oct 31, 2019 Oct 29, 2019 001-38891
13F-NT Open Document Open Filing Aug 13, 2019 Jun 30, 2019 028-17238
4 Open Document Open Filing 4 May 15, 2019 May 13, 2019 001-38901
13F-NT Open Document Open Filing May 14, 2019 Mar 31, 2019 028-17238
3 Open Document Open Filing 3 May 8, 2019 May 8, 2019 001-38901
4 Open Document Open Filing FORM 4 SUBMISSION May 6, 2019 May 6, 2019 001-38891
3 Open Document Open Filing FORM 3 SUBMISSION May 1, 2019 May 1, 2019 001-38891
4 Open Document Open Filing FORM 4 SUBMISSION Mar 6, 2019 Mar 4, 2019 001-38822
3 Open Document Open Filing FORM 3 SUBMISSION Feb 27, 2019 Feb 27, 2019 001-38822
13F-NT Open Document Open Filing Feb 13, 2019 Dec 31, 2018 028-17238
SC 13G Open Document Open Filing SC 13G Feb 13, 2019
SC 13G Open Document Open Filing SC 13G Feb 12, 2019
4 Open Document Open Filing FORM 4 SUBMISSION Dec 13, 2018 Dec 11, 2018 001-38753
3 Open Document Open Filing FORM 3 SUBMISSION Dec 7, 2018 Dec 7, 2018 001-38753
13F-NT Open Document Open Filing Nov 13, 2018 Sep 30, 2018 028-17238
13F-NT Open Document Open Filing Aug 7, 2018 Jun 30, 2018 028-17238
4 Open Document Open Filing 4 Jul 23, 2018 Jul 20, 2018 001-38586
3 Open Document Open Filing 3 Jul 17, 2018 Jul 17, 2018 001-38586
4 Open Document Open Filing FORM 4 SUBMISSION May 15, 2018 May 11, 2018 001-38473
13F-NT Open Document Open Filing May 15, 2018 Mar 31, 2018 028-17238
3 Open Document Open Filing FORM 3 SUBMISSION May 8, 2018 May 8, 2018 001-38473
13F-NT Open Document Open Filing Feb 14, 2018 Dec 31, 2017 028-17238
13F-NT Open Document Open Filing Nov 3, 2017 Sep 30, 2017 028-17238
4 Open Document Open Filing PRIMARY DOCUMENT Aug 21, 2017 Aug 17, 2017 001-37813
SC 13D/A Open Document Open Filing SC 13D/A Aug 21, 2017
13F-NT Open Document Open Filing Aug 2, 2017 Jun 30, 2017 028-17238
13F-NT Open Document Open Filing May 10, 2017 Mar 31, 2017 028-17238
13F-NT Open Document Open Filing Feb 13, 2017 Dec 31, 2016 028-17238
13F-NT Open Document Open Filing Nov 14, 2016 Sep 30, 2016 028-17238
4 Open Document Open Filing PRIMARY DOCUMENT Sep 26, 2016 Sep 22, 2016 001-36296
4 Open Document Open Filing PRIMARY DOCUMENT Sep 21, 2016 Sep 19, 2016 001-36296
4 Open Document Open Filing PRIMARY DOCUMENT Sep 16, 2016 Sep 14, 2016 001-36296
4 Open Document Open Filing PRIMARY DOCUMENT Sep 8, 2016 Sep 6, 2016 001-36296
4 Open Document Open Filing PRIMARY DOCUMENT Aug 15, 2016 Aug 11, 2016 001-37687
13F-HR Open Document Open Filing Aug 15, 2016 Jun 30, 2016 028-17238
SC 13D Open Document Open Filing SC 13D Jul 11, 2016
4 Open Document Open Filing 4 Jul 7, 2016 Jul 6, 2016 001-37813
3 Open Document Open Filing 3 Jun 29, 2016 Jun 29, 2016 001-37813
13F-NT Open Document Open Filing Jun 3, 2016 Mar 31, 2016 028-17238
4 Open Document Open Filing PRIMARY DOCUMENT May 27, 2016 May 25, 2016 001-37465
13F-HR Open Document Open Filing Feb 12, 2016 Dec 31, 2015 028-17238
4 Open Document Open Filing FORM 4 - Feb 9, 2016 Feb 8, 2016 001-37687
3 Open Document Open Filing FORM 3 - Feb 2, 2016 Feb 2, 2016 001-37687
4 Open Document Open Filing FORM 4 SUBMISSION Jun 29, 2015 Jun 25, 2015 001-37465
3 Open Document Open Filing FORM 3 SUBMISSION Jun 25, 2015 Jun 25, 2015 001-37465
4 Open Document Open Filing 4 Aug 14, 2014 Aug 12, 2014 001-36571
3 Open Document Open Filing 3 Aug 6, 2014 Aug 6, 2014 001-36571
4 Open Document Open Filing FORM 4 Feb 13, 2014 Feb 11, 2014 001-36296
3 Open Document Open Filing FORM 3 Feb 5, 2014 Feb 5, 2014 001-36296