Flagship Pioneering Inc.

Notable people
Noubar Afeyan
Entity
Company
Business address
55 Cambridge Parkway, Suite 800 E, 02142 Cambridge, MA
Phone
617 868-1888
State of incorporation
DE
Former names
Flagship Ventures Management, Inc. (to 11/14/2016)
Signature 13F
Noubar B. Afeyan, Ph.D. - Chief Executive Officer
Signature Ownership
Flagship Pioneering, Inc., By: /s/ Noubar B. Afeyan, Ph.D., Title: Chief Executive Officer
All SEC filings
View on sec.gov
Get insider transactions for this reporting owner
Flagship Pioneering Inc. has filed 86 SEC EDGAR filings since 5/24/2007

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
N-PX Open Document Open Filing Sep 2, 2025 Jun 30, 2025 028-17559
13F-HR Open Document Open Filing Aug 14, 2025 Jun 30, 2025 028-17559
13F-HR Open Document Open Filing May 15, 2025 Mar 31, 2025 028-17559
13F-HR Open Document Open Filing Feb 14, 2025 Dec 31, 2024 028-17559
13F-HR Open Document Open Filing Nov 14, 2024 Sep 30, 2024 028-17559
N-PX Open Document Open Filing Sep 3, 2024 Jun 30, 2024 028-17559
13F-HR Open Document Open Filing Aug 14, 2024 Jun 30, 2024 028-17559
4 Open Document Open Filing 4 May 24, 2024 May 22, 2024 001-39634
13F-HR Open Document Open Filing May 15, 2024 Mar 31, 2024 028-17559
4 Open Document Open Filing 4 Feb 14, 2024 Feb 12, 2024 001-39941
13F-HR Open Document Open Filing Feb 14, 2024 Dec 31, 2023 028-17559
13F-HR Open Document Open Filing Nov 14, 2023 Sep 30, 2023 028-17559
4 Open Document Open Filing FORM 4 SUBMISSION Sep 15, 2023 Sep 13, 2023 001-39941
4 Open Document Open Filing FORM 4 SUBMISSION Aug 15, 2023 Aug 11, 2023 001-39746
13F-HR Open Document Open Filing Aug 14, 2023 Jun 30, 2023 028-17559
4 Open Document Open Filing 4 Jul 13, 2023 Jul 11, 2023 001-38473
13F-HR Open Document Open Filing May 15, 2023 Mar 31, 2023 028-17559
4 Open Document Open Filing FORM 4 SUBMISSION Feb 27, 2023 Feb 27, 2023 001-40657
13F-HR Open Document Open Filing Feb 14, 2023 Dec 31, 2022 028-17559
13F-HR Open Document Open Filing Nov 14, 2022 Sep 30, 2022 028-17559
3 Open Document Open Filing FORM 3 SUBMISSION Oct 17, 2022 Oct 13, 2022 001-38901
13F-HR Open Document Open Filing Aug 15, 2022 Jun 30, 2022 028-17559
4 Open Document Open Filing FORM 4 SUBMISSION Jul 7, 2022 Jul 5, 2022 001-37465
4 Open Document Open Filing FORM 4 SUBMISSION Jun 1, 2022 May 27, 2022 001-38473
13F-HR Open Document Open Filing May 16, 2022 Mar 31, 2022 028-17559
13F-HR Open Document Open Filing Feb 14, 2022 Dec 31, 2021 028-17559
13F-HR Open Document Open Filing Nov 15, 2021 Sep 30, 2021 028-17559
13F-HR Open Document Open Filing Aug 16, 2021 Jun 30, 2021 028-17559
4 Open Document Open Filing FORM 4 SUBMISSION Aug 5, 2021 Aug 3, 2021 001-40657
4 Open Document Open Filing FORM 4 SUBMISSION Aug 5, 2021 Aug 3, 2021 001-40657
3 Open Document Open Filing FORM 3 SUBMISSION Jul 29, 2021 Jul 29, 2021 001-40657
3 Open Document Open Filing FORM 3 SUBMISSION Jul 29, 2021 Jul 29, 2021 001-40657
13F-HR Open Document Open Filing May 17, 2021 Mar 31, 2021 028-17559
13F-HR Open Document Open Filing Feb 16, 2021 Dec 31, 2020 028-17559
4 Open Document Open Filing FORM 4 SUBMISSION Feb 10, 2021 Feb 8, 2021 001-39941
3 Open Document Open Filing FORM 3 SUBMISSION Feb 3, 2021 Feb 3, 2021 001-39941
4 Open Document Open Filing OWNERSHIP DOCUMENT Dec 10, 2020 Dec 8, 2020 001-39746
3 Open Document Open Filing 3 Dec 3, 2020 Dec 3, 2020 001-39746
4 Open Document Open Filing FORM 4 SUBMISSION Nov 25, 2020 Nov 23, 2020 001-37465
13F-HR Open Document Open Filing Nov 16, 2020 Sep 30, 2020 028-17559
4 Open Document Open Filing FORM 4 SUBMISSION Oct 29, 2020 Oct 27, 2020 001-39634
3 Open Document Open Filing FORM 3 SUBMISSION Oct 22, 2020 Oct 22, 2020 001-39634
3 Open Document Open Filing FORM 3 SUBMISSION Oct 13, 2020 Oct 13, 2020 001-39615
13F-HR Open Document Open Filing Aug 13, 2020 Jun 30, 2020 028-17559
3 Open Document Open Filing FORM 3 SUBMISSION Jul 1, 2020 Jun 29, 2020 001-38473
13F-HR Open Document Open Filing May 14, 2020 Mar 31, 2020 028-17559
13F-HR Open Document Open Filing Feb 13, 2020 Dec 31, 2019 028-17559
13F-HR Open Document Open Filing Nov 14, 2019 Sep 30, 2019 028-17559
13F-HR Open Document Open Filing Aug 13, 2019 Jun 30, 2019 028-17559
3 Open Document Open Filing FORM 3 SUBMISSION Jun 28, 2019 Jun 18, 2019 001-37465
13F-HR Open Document Open Filing May 14, 2019 Mar 31, 2019 028-17559
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-HR Open Document Open Filing Feb 13, 2019 Dec 31, 2018 028-17559
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-HR Open Document Open Filing Nov 13, 2018 Sep 30, 2018 028-17559
13F-HR Open Document Open Filing Aug 7, 2018 Jun 30, 2018 028-17559
13F-HR Open Document Open Filing May 15, 2018 Mar 31, 2018 028-17559
13F-HR Open Document Open Filing Feb 14, 2018 Dec 31, 2017 028-17559
13F-HR Open Document Open Filing Nov 3, 2017 Sep 30, 2017 028-17559
13F-HR Open Document Open Filing Aug 2, 2017 Jun 30, 2017 028-17559
13F-HR Open Document Open Filing May 10, 2017 Mar 31, 2017 028-17559
13F-HR Open Document Open Filing Feb 13, 2017 Dec 31, 2016 028-17559
13F-HR Open Document Open Filing Nov 14, 2016 Sep 30, 2016 028-17559
4 Open Document Open Filing FORM 4 - NOUBAR AFEYAN - AGTC 2 Jul 29, 2015 Jul 27, 2015 001-33827
4 Open Document Open Filing FORM 4 - NOUBAR AFEYAN - AGTC 1 Jul 29, 2015 Jul 27, 2015 001-33827
4 Open Document Open Filing FORM 4 Jul 16, 2015 Jul 14, 2015 001-33827
4 Open Document Open Filing FORM 4 - NOUBAR AFEYAN - FLAGSHIP 4 Dec 5, 2014 Dec 3, 2014 001-33827
4 Open Document Open Filing FORM 4 - NOUBAR AFEYAN - FLAGSHIP 3 Dec 5, 2014 Dec 3, 2014 001-33827
4 Open Document Open Filing FORM 4 - NOUBAR AFEYAN - FLAGSHIP 2 Dec 5, 2014 Dec 3, 2014 001-33827
4 Open Document Open Filing FORM 4 - NOUBAR AFEYAN - FLAGSHIP 1 Dec 5, 2014 Dec 3, 2014 001-33827