Douglas L. Braunstein

Business address
Hudson Executive Capital Lp, 570 Lexington Avenue, 35 Th Floor, New York, NY, 10022
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Douglas L. Braunstein has filed 92 SEC EDGAR filings since 7/2/2010

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing 4 Dec 2, 2025 Dec 1, 2025 001-39314
4 Open Document Open Filing 4 Sep 3, 2025 Sep 1, 2025 001-39314
4 Open Document Open Filing 4 Jun 3, 2025 Jun 1, 2025 001-39314
4 Open Document Open Filing 4 Mar 4, 2025 Mar 1, 2025 001-39314
4 Open Document Open Filing 4 Dec 12, 2024 Dec 1, 2024 001-39314
4 Open Document Open Filing FORM 4 Sep 4, 2024 Sep 1, 2024 001-39314
4 Open Document Open Filing FORM 4 Jun 26, 2024 Jun 1, 2024 001-39314
4 Open Document Open Filing FORM 4 Mar 5, 2024 Mar 1, 2024 001-39314
4 Open Document Open Filing OWNERSHIP DOCUMENT Feb 21, 2024 Feb 20, 2024 001-33365
4 Open Document Open Filing Dec 7, 2023 Dec 1, 2023 001-39314
4 Open Document Open Filing Sep 28, 2022 Sep 26, 2022 001-39314
4 Open Document Open Filing FORM 4 May 25, 2022 May 23, 2022 001-33365
4 Open Document Open Filing FORM 4 SUBMISSION May 11, 2022 May 9, 2022 001-39314
4 Open Document Open Filing FORM 4 SUBMISSION Mar 4, 2022 Mar 2, 2022 001-40100
4 Open Document Open Filing FORM 4 SUBMISSION Feb 9, 2022 Feb 7, 2022 001-39931
4 Open Document Open Filing FORM 4 Dec 29, 2021 Dec 27, 2021 001-33365
4 Open Document Open Filing FORM 4 Nov 24, 2021 Nov 23, 2021 001-39314
4 Open Document Open Filing FORM 4 Oct 26, 2021 Aug 30, 2021 001-39314
4 Open Document Open Filing FORM 4 SUBMISSION Aug 16, 2021 Aug 12, 2021 001-39314
3 Open Document Open Filing FORM 3 SUBMISSION Jul 2, 2021 Jun 22, 2021 001-39314
4 Open Document Open Filing FORM 4 SUBMISSION Jun 24, 2021 Jun 22, 2021 001-39314
4 Open Document Open Filing FORM 4 May 14, 2021 May 14, 2021 001-33365
4 Open Document Open Filing FORM 4 SUBMISSION Apr 14, 2021 Mar 11, 2021 001-39931
4 Open Document Open Filing FORM 4 SUBMISSION Apr 14, 2021 Apr 12, 2021 001-40100
4 Open Document Open Filing FORM 4 Mar 11, 2021 Mar 9, 2021 001-37820
4 Open Document Open Filing FORM 4 Feb 26, 2021 Feb 24, 2021 001-33365
3 Open Document Open Filing FORM 3 SUBMISSION Feb 23, 2021 Feb 23, 2021 001-40100
3 Open Document Open Filing FORM 3 SUBMISSION Jan 25, 2021 Jan 25, 2021 001-39931
4 Open Document Open Filing FORM 4 Jul 2, 2020 Jun 30, 2020 001-33365
4 Open Document Open Filing Jun 29, 2020 Jun 25, 2020 001-37820
4 Open Document Open Filing FORM 4 Jun 23, 2020 Jun 19, 2020 001-37820
4 Open Document Open Filing FORM 4 SUBMISSION Jun 8, 2020 Jun 8, 2020 001-39314
3 Open Document Open Filing FORM 3 SUBMISSION Jun 8, 2020 Jun 8, 2020 001-39314
4 Open Document Open Filing FORM 4 May 22, 2020 May 21, 2020 001-33365
4 Open Document Open Filing FORM 4 May 19, 2020 May 15, 2020 001-37820
4 Open Document Open Filing FORM 4 May 11, 2020 May 7, 2020 000-19364
4 Open Document Open Filing FORM 4 May 8, 2020 May 6, 2020 001-33365
4 Open Document Open Filing FORM 4 Apr 2, 2020 Mar 31, 2020 001-37820
3 Open Document Open Filing FORM 3 Mar 13, 2020 Mar 11, 2020 000-19364
4 Open Document Open Filing FORM 4 Mar 11, 2020 Mar 9, 2020 001-37820
4 Open Document Open Filing FORM 4 Mar 6, 2020 Mar 4, 2020 001-33365
4/A Open Document Open Filing FORM 4/A Mar 6, 2020 Aug 5, 2019 001-33365
4 Open Document Open Filing FORM 4 Oct 31, 2019 Oct 29, 2019 001-37406
4 Open Document Open Filing FORM 4 Oct 28, 2019 Oct 24, 2019 001-36306
4 Open Document Open Filing FORM 4 Oct 23, 2019 Oct 21, 2019 001-36306
4 Open Document Open Filing FORM 4 Oct 18, 2019 Oct 16, 2019 001-36306
4 Open Document Open Filing FORM 4 Oct 16, 2019 Oct 14, 2019 001-33365
4 Open Document Open Filing FORM 4 Oct 15, 2019 Oct 10, 2019 001-36306
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 9, 2019 Oct 7, 2019 001-37406
4 Open Document Open Filing FORM 4 Oct 9, 2019 Oct 7, 2019 001-36306
4 Open Document Open Filing FORM 4 Sep 26, 2019 Sep 24, 2019 001-33365
4 Open Document Open Filing FORM 4 Sep 23, 2019 Sep 19, 2019 001-33365
4 Open Document Open Filing FORM 4 Sep 19, 2019 Sep 17, 2019 001-36306
4 Open Document Open Filing FORM 4 Sep 13, 2019 Sep 11, 2019 001-36306
4 Open Document Open Filing FORM 4 Aug 5, 2019 Aug 1, 2019 001-33365
4 Open Document Open Filing OWNERSHIP DOCUMENT Jul 10, 2019 Jul 8, 2019 001-37406
3 Open Document Open Filing FORM 3 May 20, 2019 May 16, 2019 001-33365
4 Open Document Open Filing FORM 4 May 13, 2019 May 9, 2019 001-36306
4 Open Document Open Filing OWNERSHIP DOCUMENT May 7, 2019 May 3, 2019 001-37406
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 9, 2019 Apr 5, 2019 001-37406
4 Open Document Open Filing FORM 4 Mar 15, 2019 Mar 13, 2019 001-37820
4 Open Document Open Filing FORM 4 Mar 14, 2019 Mar 12, 2019 001-37406
4 Open Document Open Filing FORM 4 Mar 12, 2019 Mar 8, 2019 001-37820
4 Open Document Open Filing FORM 4 SUBMISSION Jan 25, 2019 Jan 23, 2019 001-36306
4 Open Document Open Filing Jan 10, 2019 Jan 8, 2019 001-37406
4 Open Document Open Filing OWNERSHIP DOCUMENT Oct 9, 2018 Oct 5, 2018 001-37406
4 Open Document Open Filing FORM 4 Aug 15, 2018 Aug 13, 2018 001-37820
4 Open Document Open Filing FORM 4 Aug 10, 2018 Aug 8, 2018 001-37820
4 Open Document Open Filing Jul 11, 2018 Jul 9, 2018 001-37406
4 Open Document Open Filing FORM 4 Jun 22, 2018 Jun 20, 2018 001-37820
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 4, 2018 May 31, 2018 001-37406
4 Open Document Open Filing FORM 4 May 4, 2018 May 2, 2018 001-37820
4 Open Document Open Filing FORM 4 Apr 30, 2018 Apr 26, 2018 001-37820
4 Open Document Open Filing FORM 4 Apr 24, 2018 Apr 20, 2018 001-37820
4 Open Document Open Filing FORM 4 Apr 13, 2018 Apr 11, 2018 001-37820
4 Open Document Open Filing OWNERSHIP DOCUMENT Apr 10, 2018 Apr 6, 2018 001-37406
4 Open Document Open Filing FORM 4 Apr 2, 2018 Mar 29, 2018 001-37820
3 Open Document Open Filing OWNERSHIP DOCUMENT Mar 20, 2018 Mar 16, 2018 001-37406
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 20, 2018 Mar 16, 2018 001-37406
4 Open Document Open Filing FORM 4 Feb 23, 2018 Feb 21, 2018 001-37820
3 Open Document Open Filing FORM 3 Jan 31, 2018 Jan 22, 2018 001-37820
4 Open Document Open Filing FORM 4 SUBMISSION Jan 9, 2018 Jan 7, 2018 001-36306
4 Open Document Open Filing FORM 4 SUBMISSION Aug 11, 2017 Aug 9, 2017 001-36306
4 Open Document Open Filing FORM 4 SUBMISSION Jan 6, 2017 Jan 4, 2017 001-36306
4 Open Document Open Filing FORM 4 SUBMISSION Jul 6, 2016 Jul 5, 2016 001-36306
3 Open Document Open Filing FORM 3 SUBMISSION Jul 6, 2016 Jul 5, 2016 001-36306