Michael Kauffman

Entity
Individual
Business address
C/O Karyopharm Therapeutics Inc., 85 Wells Avenue, Second Floor, 02459 Newton, MA
Insider ownership signature
/s/ Daniel Calkins, Attorney in Fact
All SEC filings
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Michael Kauffman has filed 139 SEC EDGAR filings since 6/5/2006

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing OWNERSHIP DOCUMENT Nov 25, 2025 Nov 21, 2025 001-35403
144 Open Document Open Filing Nov 21, 2025
4 Open Document Open Filing Jun 23, 2025 Jun 18, 2025 001-38542
4 Open Document Open Filing Jun 6, 2025 Jun 4, 2025 001-36740
3 Open Document Open Filing Jun 6, 2025 Jun 4, 2025 001-36740
4 Open Document Open Filing OWNERSHIP DOCUMENT May 27, 2025 May 22, 2025 001-35403
4 Open Document Open Filing 4 Aug 23, 2024 Aug 21, 2024 001-38359
4 Open Document Open Filing Jun 21, 2024 Jun 20, 2024 001-38542
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 20, 2024 Jun 18, 2024 001-35403
4 Open Document Open Filing 4 Jun 7, 2024 Jun 5, 2024 001-38359
144 Open Document Open Filing Jun 5, 2024
4 Open Document Open Filing OWNERSHIP DOCUMENT Mar 13, 2024 Mar 11, 2024 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Aug 16, 2023 Aug 14, 2023 001-38359
4 Open Document Open Filing FORM 4 SUBMISSION Jul 26, 2023 Jul 24, 2023 001-38542
4 Open Document Open Filing FORM 4 SUBMISSION Jun 16, 2023 Jun 15, 2023 001-38542
4 Open Document Open Filing FORM 4 SUBMISSION Jun 2, 2023 Jun 1, 2023 001-38359
4 Open Document Open Filing OWNERSHIP DOCUMENT May 16, 2023 May 15, 2023 001-35403
4/A Open Document Open Filing OWNERSHIP DOCUMENT Dec 20, 2022 May 12, 2022 001-35403
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 24, 2022 Jun 22, 2022 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Jun 17, 2022 Jun 16, 2022 001-38542
4 Open Document Open Filing FORM 4 SUBMISSION Jun 3, 2022 Jun 2, 2022 001-38359
4 Open Document Open Filing FORM 4 SUBMISSION Mar 2, 2022 Feb 28, 2022 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 22, 2022 Feb 17, 2022 001-36167
SC 13G/A Open Document Open Filing SC 13G/A Feb 11, 2022
4 Open Document Open Filing FORM 4 SUBMISSION Feb 9, 2022 Feb 7, 2022 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jan 5, 2022 Jan 3, 2022 001-38542
4 Open Document Open Filing FORM 4 SUBMISSION Nov 18, 2021 Nov 17, 2021 001-38359
3 Open Document Open Filing FORM 3 SUBMISSION Nov 18, 2021 Nov 17, 2021 001-38359
4 Open Document Open Filing FORM 4 SUBMISSION Jun 30, 2021 Jun 28, 2021 001-38542
4 Open Document Open Filing OWNERSHIP DOCUMENT Jun 30, 2021 Jun 28, 2021 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Mar 23, 2021 Mar 18, 2021 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Mar 1, 2021 Feb 25, 2021 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 22, 2021 Feb 18, 2021 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 17, 2021 Feb 11, 2021 001-36167
SC 13G/A Open Document Open Filing SC 13G/A Feb 16, 2021
4 Open Document Open Filing FORM 4 SUBMISSION Feb 9, 2021 Feb 5, 2021 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Oct 14, 2020 Oct 12, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Aug 18, 2020 Aug 17, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jul 17, 2020 Jul 15, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jul 13, 2020 Jul 9, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jun 26, 2020 Jun 24, 2020 001-38542
4 Open Document Open Filing FORM 4 SUBMISSION Jun 24, 2020 Jun 22, 2020 001-36167
4 Open Document Open Filing PRIMARY DOCUMENT Jun 18, 2020 Jun 16, 2020 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Jun 17, 2020 Jun 15, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jun 11, 2020 Jun 9, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION May 19, 2020 May 15, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION May 11, 2020 May 7, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Apr 10, 2020 Apr 8, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Mar 11, 2020 Mar 9, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 21, 2020 Feb 19, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 19, 2020 Feb 15, 2020 001-36167
SC 13G/A Open Document Open Filing SC 13G/A Feb 13, 2020
4 Open Document Open Filing FORM 4 SUBMISSION Feb 12, 2020 Feb 10, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 7, 2020 Feb 5, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jan 10, 2020 Jan 9, 2020 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Dec 11, 2019 Dec 9, 2019 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Nov 12, 2019 Nov 8, 2019 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Nov 5, 2019 Nov 1, 2019 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Sep 17, 2019 Sep 16, 2019 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jun 27, 2019 Jun 25, 2019 001-38542
4 Open Document Open Filing 4 Jun 25, 2019 Jun 21, 2019 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Jun 14, 2019 Jun 13, 2019 000-31141
4 Open Document Open Filing FORM 4 SUBMISSION Feb 19, 2019 Feb 15, 2019 001-36167
5 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2019 Dec 31, 2018 001-35403
SC 13G/A Open Document Open Filing SC 13G/A Feb 11, 2019
4 Open Document Open Filing FORM 4 SUBMISSION Jan 9, 2019 Jan 7, 2019 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Dec 10, 2018 Dec 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Nov 27, 2018 Nov 26, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Nov 21, 2018 Nov 19, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Nov 9, 2018 Nov 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Oct 22, 2018 Oct 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Oct 9, 2018 Oct 8, 2018 001-36167
4 Open Document Open Filing PRIMARY DOCUMENT Oct 2, 2018 Sep 28, 2018 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Sep 18, 2018 Sep 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Sep 10, 2018 Sep 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Aug 21, 2018 Aug 20, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Aug 8, 2018 Aug 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jul 20, 2018 Jul 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jul 10, 2018 Jul 9, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jun 27, 2018 Jun 25, 2018 001-38542
3/A Open Document Open Filing FORM 3/A SUBMISSION Jun 22, 2018 Jun 20, 2018 001-38542
3 Open Document Open Filing FORM 3 SUBMISSION Jun 20, 2018 Jun 20, 2018 001-38542
4 Open Document Open Filing FORM 4 SUBMISSION Jun 19, 2018 Jun 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jun 14, 2018 Jun 12, 2018 000-31141
4 Open Document Open Filing FORM 4 SUBMISSION Jun 11, 2018 Jun 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION May 21, 2018 May 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION May 8, 2018 May 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Apr 20, 2018 Apr 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Apr 10, 2018 Apr 9, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Mar 20, 2018 Mar 19, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Mar 8, 2018 Mar 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Feb 22, 2018 Feb 20, 2018 001-36167
SC 13G/A Open Document Open Filing SC 13G AMENDMENT NO. 4 Feb 13, 2018
4 Open Document Open Filing FORM 4 SUBMISSION Feb 8, 2018 Feb 7, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jan 25, 2018 Jan 24, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jan 22, 2018 Jan 18, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jan 9, 2018 Jan 8, 2018 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Dec 20, 2017 Dec 18, 2017 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Dec 8, 2017 Dec 7, 2017 001-36167
4 Open Document Open Filing 4 Jun 15, 2017 Jun 13, 2017 001-35403
4 Open Document Open Filing FORM 4 SUBMISSION Apr 6, 2017 Apr 5, 2017 000-31141
3 Open Document Open Filing FORM 3 SUBMISSION Apr 6, 2017 Apr 5, 2017 000-31141
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 3 Feb 14, 2017
4 Open Document Open Filing FORM 4 SUBMISSION Jan 24, 2017 Jan 20, 2017 001-36167
4 Open Document Open Filing 4 Jun 16, 2016 Jun 14, 2016 001-35403
4 Open Document Open Filing 4 Feb 17, 2016 Mar 19, 2015 001-35403
5 Open Document Open Filing FORM 5 SUBMISSION Feb 12, 2016 Dec 31, 2015 001-36167
SC 13G/A Open Document Open Filing SC 13G AMENDMENT NO. 2 Feb 12, 2016
4 Open Document Open Filing FORM 4 SUBMISSION Jan 20, 2016 Jan 15, 2016 001-36167
4 Open Document Open Filing 4 Jun 16, 2015 Jun 12, 2015 001-35403
SC 13G/A Open Document Open Filing SCHEDULE 13G AMENDMENT NO. 1 Feb 13, 2015
4 Open Document Open Filing FORM 4 SUBMISSION Jan 22, 2015 Jan 19, 2015 001-36167
4 Open Document Open Filing FORM 4 SUBMISSION Jan 14, 2015 Jan 12, 2015 001-36167
4 Open Document Open Filing 4 Sep 18, 2014 Sep 17, 2014 001-35403
4 Open Document Open Filing FORM 4 - Jul 2, 2014 Jul 2, 2014 001-36167
4 Open Document Open Filing FORM 4 - Jun 19, 2014 Jun 17, 2014 001-36167
4 Open Document Open Filing 4 Jun 11, 2014 Jun 10, 2014 001-35403
5 Open Document Open Filing 5 Feb 14, 2014 Dec 31, 2013 001-36167
SC 13G Open Document Open Filing SC 13G Feb 14, 2014