Flagship Ventures Fund IV General Partner LLC SEC EDGAR Filings (CIK 0001508051)

SEC EDGAR filings, ownership reports, and insider transactions for Flagship Ventures Fund IV General Partner LLC.

Business address
55 Cambridge Parkway, Suite 800 E, Cambridge, MA, 02142
Top holdings (ownership)
EVLO
State of incorporation
DE
Fiscal year end
31 December
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Flagship Ventures Fund IV General Partner LLC has filed 96 SEC EDGAR filings since 05 Feb 2014

Latest Filings

Recent SEC filings for Flagship Ventures Fund IV General Partner LLC including 13F-NT, N-PX, 4 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2025 30 Sep 2025 028-17238
N-PX Open N-PX document View SEC filing for N-PX 02 Sep 2025 30 Jun 2025 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2025 30 Jun 2025 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2025 31 Mar 2025 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2025 31 Dec 2024 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2024 30 Sep 2024 028-17238
N-PX Open N-PX document View SEC filing for N-PX 03 Sep 2024 30 Jun 2024 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2024 30 Jun 2024 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2024 31 Mar 2024 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2024 31 Dec 2023 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2023 30 Sep 2023 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Aug 2023 30 Jun 2023 028-17238
4 Open 4 document View SEC filing for 4 4 13 Jul 2023 11 Jul 2023 001-38473
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2023 31 Mar 2023 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2023 31 Dec 2022 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2022 30 Sep 2022 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Oct 2022 13 Oct 2022 001-38901
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Aug 2022 30 Jun 2022 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jun 2022 27 May 2022 001-38473
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 May 2022 31 Mar 2022 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Mar 2022 16 Mar 2022 001-38901
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2022 31 Dec 2021 028-17238
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2022
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 Nov 2021 30 Sep 2021 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Aug 2021 30 Jun 2021 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 17 May 2021 31 Mar 2021 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2021 19 Mar 2021 001-38586
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2021
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Feb 2021 31 Dec 2020 028-17238
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2021
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Feb 2021 08 Feb 2021 001-38822
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Feb 2021 02 Feb 2021 001-38473
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Nov 2020 23 Nov 2020 001-37465
13F-NT Open 13F-NT document View SEC filing for 13F-NT 16 Nov 2020 30 Sep 2020 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Aug 2020 17 Aug 2020 001-38753
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Aug 2020 30 Jun 2020 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Jul 2020 29 Jun 2020 001-38473
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Jun 2020 04 Jun 2020 001-38822
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 May 2020 21 May 2020 001-38753
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 May 2020 18 May 2020 001-38901
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 May 2020 31 Mar 2020 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 May 2020 11 May 2020 001-38753
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2020 31 Dec 2019 028-17238
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2020
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Dec 2019 09 Dec 2019 001-38753
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2019 30 Sep 2019 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 31 Oct 2019 29 Oct 2019 001-38891
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Aug 2019 30 Jun 2019 028-17238
4 Open 4 document View SEC filing for 4 4 15 May 2019 13 May 2019 001-38901
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 May 2019 31 Mar 2019 028-17238
3 Open 3 document View SEC filing for 3 3 08 May 2019 08 May 2019 001-38901
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 May 2019 06 May 2019 001-38891
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 01 May 2019 01 May 2019 001-38891
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Mar 2019 04 Mar 2019 001-38822
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 27 Feb 2019 27 Feb 2019 001-38822
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2019 31 Dec 2018 028-17238
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 13 Feb 2019
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 12 Feb 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Dec 2018 11 Dec 2018 001-38753
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 Dec 2018 07 Dec 2018 001-38753
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Nov 2018 30 Sep 2018 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 07 Aug 2018 30 Jun 2018 028-17238
4 Open 4 document View SEC filing for 4 4 23 Jul 2018 20 Jul 2018 001-38586
3 Open 3 document View SEC filing for 3 3 17 Jul 2018 17 Jul 2018 001-38586
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 15 May 2018 11 May 2018 001-38473
13F-NT Open 13F-NT document View SEC filing for 13F-NT 15 May 2018 31 Mar 2018 028-17238
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 08 May 2018 08 May 2018 001-38473
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Feb 2018 31 Dec 2017 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 03 Nov 2017 30 Sep 2017 028-17238
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Aug 2017 17 Aug 2017 001-37813
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 21 Aug 2017
13F-NT Open 13F-NT document View SEC filing for 13F-NT 02 Aug 2017 30 Jun 2017 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 10 May 2017 31 Mar 2017 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 13 Feb 2017 31 Dec 2016 028-17238
13F-NT Open 13F-NT document View SEC filing for 13F-NT 14 Nov 2016 30 Sep 2016 028-17238
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Sep 2016 22 Sep 2016 001-36296
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Sep 2016 19 Sep 2016 001-36296
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Sep 2016 14 Sep 2016 001-36296
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Sep 2016 06 Sep 2016 001-36296
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Aug 2016 11 Aug 2016 001-37687
13F-HR Open 13F-HR document View SEC filing for 13F-HR 15 Aug 2016 30 Jun 2016 028-17238
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 11 Jul 2016
4 Open 4 document View SEC filing for 4 4 07 Jul 2016 06 Jul 2016 001-37813
3 Open 3 document View SEC filing for 3 3 29 Jun 2016 29 Jun 2016 001-37813
13F-NT Open 13F-NT document View SEC filing for 13F-NT 03 Jun 2016 31 Mar 2016 028-17238
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2016 25 May 2016 001-37465
13F-HR Open 13F-HR document View SEC filing for 13F-HR 12 Feb 2016 31 Dec 2015 028-17238
4 Open 4 document View SEC filing for 4 FORM 4 - 09 Feb 2016 08 Feb 2016 001-37687
3 Open 3 document View SEC filing for 3 FORM 3 - 02 Feb 2016 02 Feb 2016 001-37687
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Jun 2015 25 Jun 2015 001-37465
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 25 Jun 2015 25 Jun 2015 001-37465
4 Open 4 document View SEC filing for 4 4 14 Aug 2014 12 Aug 2014 001-36571
3 Open 3 document View SEC filing for 3 3 06 Aug 2014 06 Aug 2014 001-36571
4 Open 4 document View SEC filing for 4 FORM 4 13 Feb 2014 11 Feb 2014 001-36296
3 Open 3 document View SEC filing for 3 FORM 3 05 Feb 2014 05 Feb 2014 001-36296

About this filer

Flagship Ventures Fund IV General Partner LLC files with the SEC under CIK 0001508051. This page aggregates EDGAR filings and related ownership activity.

See reporting owner transactions.

FAQ

What is a CIK?
A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
Why are some filings missing?
New filings appear as the SEC updates EDGAR, and older records can vary by availability.
How often is this page updated?
Updates follow new EDGAR submissions and periodic data refreshes.

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