Stephen Berenson

Entity
Individual
Business address
C/O Flagship Pioneering, Inc., 55 Cambridge Parkway, Ste 800 E, 02139 Cambridge, MA
Signature Ownership
/s/ Thomas J. DesRosier, Attorney-in-Fact
All SEC filings
View on sec.gov
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Stephen Berenson has filed 21 SEC EDGAR filings since 12/7/2018

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 Jul 2, 2025 Jul 1, 2025 001-37465
4 Open Document Open Filing 4 Apr 11, 2025 Apr 10, 2025 001-37465
4 Open Document Open Filing 4 Jul 3, 2024 Jul 1, 2024 001-37465
4 Open Document Open Filing PRIMARY DOCUMENT May 7, 2024 May 3, 2024 001-38753
4 Open Document Open Filing 4 Apr 8, 2024 Apr 4, 2024 001-37465
4 Open Document Open Filing FORM 4 SUBMISSION Jun 23, 2023 Jun 22, 2023 001-37465
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2023 May 3, 2023 001-38753
4 Open Document Open Filing PRIMARY DOCUMENT May 1, 2023 Apr 28, 2023 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION Jun 24, 2022 Jun 22, 2022 001-37465
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2022 Apr 28, 2022 001-38753
4 Open Document Open Filing PRIMARY DOCUMENT Aug 20, 2021 Aug 19, 2021 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION Jun 21, 2021 Jun 16, 2021 001-37465
4 Open Document Open Filing PRIMARY DOCUMENT Apr 30, 2021 Apr 28, 2021 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION Nov 25, 2020 Nov 23, 2020 001-37465
4 Open Document Open Filing FORM 4 SUBMISSION Jun 22, 2020 Jun 18, 2020 001-37465
4 Open Document Open Filing PRIMARY DOCUMENT Apr 30, 2020 Apr 29, 2020 001-38753
4 Open Document Open Filing FORM 4 SUBMISSION Aug 6, 2019 Aug 5, 2019 001-37465
3 Open Document Open Filing FORM 3 SUBMISSION Aug 6, 2019 Aug 5, 2019 001-37465
4 Open Document Open Filing PRIMARY DOCUMENT Jun 28, 2019 Jun 27, 2019 001-38753
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