Michael Kauffman SEC EDGAR Filings (CIK 0001364719)

SEC EDGAR filings, ownership reports, and insider transactions for Michael Kauffman.

Business address
C/O Karyopharm Therapeutics Inc., 85 Wells Avenue, Second Floor, Newton, MA, 02459
Top holdings (ownership)
KPTI, VSTM, and ACET
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Michael Kauffman has filed 140 SEC EDGAR filings since 05 Jun 2006

Latest Filings

Recent SEC filings for Michael Kauffman including 4, 144, 3 and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Jan 2026 06 Jan 2026 001-35403
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 25 Nov 2025 21 Nov 2025 001-35403
144 Open 144 document View SEC filing for 144 21 Nov 2025
4 Open 4 document View SEC filing for 4 23 Jun 2025 18 Jun 2025 001-38542
4 Open 4 document View SEC filing for 4 06 Jun 2025 04 Jun 2025 001-36740
3 Open 3 document View SEC filing for 3 06 Jun 2025 04 Jun 2025 001-36740
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 27 May 2025 22 May 2025 001-35403
4 Open 4 document View SEC filing for 4 4 23 Aug 2024 21 Aug 2024 001-38359
4 Open 4 document View SEC filing for 4 21 Jun 2024 20 Jun 2024 001-38542
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 20 Jun 2024 18 Jun 2024 001-35403
4 Open 4 document View SEC filing for 4 4 07 Jun 2024 05 Jun 2024 001-38359
144 Open 144 document View SEC filing for 144 05 Jun 2024
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 13 Mar 2024 11 Mar 2024 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Aug 2023 14 Aug 2023 001-38359
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Jul 2023 24 Jul 2023 001-38542
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2023 15 Jun 2023 001-38542
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Jun 2023 01 Jun 2023 001-38359
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 May 2023 15 May 2023 001-35403
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 20 Dec 2022 12 May 2022 001-35403
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Jun 2022 22 Jun 2022 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jun 2022 16 Jun 2022 001-38542
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jun 2022 02 Jun 2022 001-38359
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Mar 2022 28 Feb 2022 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Feb 2022 17 Feb 2022 001-36167
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 11 Feb 2022
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Feb 2022 07 Feb 2022 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Jan 2022 03 Jan 2022 001-38542
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Nov 2021 17 Nov 2021 001-38359
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 18 Nov 2021 17 Nov 2021 001-38359
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Jun 2021 28 Jun 2021 001-38542
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 Jun 2021 28 Jun 2021 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Mar 2021 18 Mar 2021 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Mar 2021 25 Feb 2021 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Feb 2021 18 Feb 2021 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Feb 2021 11 Feb 2021 001-36167
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 09 Feb 2021 05 Feb 2021 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Oct 2020 12 Oct 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Aug 2020 17 Aug 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jul 2020 15 Jul 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Jul 2020 09 Jul 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Jun 2020 24 Jun 2020 001-38542
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jun 2020 22 Jun 2020 001-36167
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Jun 2020 16 Jun 2020 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jun 2020 15 Jun 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jun 2020 09 Jun 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 May 2020 15 May 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 May 2020 07 May 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Apr 2020 08 Apr 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Mar 2020 09 Mar 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Feb 2020 19 Feb 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Feb 2020 15 Feb 2020 001-36167
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 12 Feb 2020 10 Feb 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Feb 2020 05 Feb 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jan 2020 09 Jan 2020 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Dec 2019 09 Dec 2019 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2019 08 Nov 2019 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Nov 2019 01 Nov 2019 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Sep 2019 16 Sep 2019 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jun 2019 25 Jun 2019 001-38542
4 Open 4 document View SEC filing for 4 4 25 Jun 2019 21 Jun 2019 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2019 13 Jun 2019 000-31141
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Feb 2019 15 Feb 2019 001-36167
5 Open 5 document View SEC filing for 5 PRIMARY DOCUMENT 13 Feb 2019 31 Dec 2018 001-35403
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 11 Feb 2019
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Jan 2019 07 Jan 2019 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Dec 2018 07 Dec 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Nov 2018 26 Nov 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Nov 2018 19 Nov 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2018 07 Nov 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Oct 2018 18 Oct 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Oct 2018 08 Oct 2018 001-36167
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Oct 2018 28 Sep 2018 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Sep 2018 18 Sep 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Sep 2018 07 Sep 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Aug 2018 20 Aug 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Aug 2018 07 Aug 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jul 2018 18 Jul 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Jul 2018 09 Jul 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Jun 2018 25 Jun 2018 001-38542
3/A Open 3/A document View SEC filing for 3/A FORM 3/A SUBMISSION 22 Jun 2018 20 Jun 2018 001-38542
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 20 Jun 2018 20 Jun 2018 001-38542
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 19 Jun 2018 18 Jun 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jun 2018 12 Jun 2018 000-31141
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Jun 2018 07 Jun 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 May 2018 18 May 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 May 2018 07 May 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Apr 2018 18 Apr 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 10 Apr 2018 09 Apr 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Mar 2018 19 Mar 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Mar 2018 07 Mar 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Feb 2018 20 Feb 2018 001-36167
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G AMENDMENT NO. 4 13 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Feb 2018 07 Feb 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 Jan 2018 24 Jan 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jan 2018 18 Jan 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Jan 2018 08 Jan 2018 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Dec 2017 18 Dec 2017 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 08 Dec 2017 07 Dec 2017 001-36167
4 Open 4 document View SEC filing for 4 4 15 Jun 2017 13 Jun 2017 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Apr 2017 05 Apr 2017 000-31141
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 06 Apr 2017 05 Apr 2017 000-31141
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT NO. 3 14 Feb 2017
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 Jan 2017 20 Jan 2017 001-36167
4 Open 4 document View SEC filing for 4 4 16 Jun 2016 14 Jun 2016 001-35403
4 Open 4 document View SEC filing for 4 4 17 Feb 2016 19 Mar 2015 001-35403
5 Open 5 document View SEC filing for 5 FORM 5 SUBMISSION 12 Feb 2016 31 Dec 2015 001-36167
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G AMENDMENT NO. 2 12 Feb 2016
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Jan 2016 15 Jan 2016 001-36167
4 Open 4 document View SEC filing for 4 4 16 Jun 2015 12 Jun 2015 001-35403
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SCHEDULE 13G AMENDMENT NO. 1 13 Feb 2015
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jan 2015 19 Jan 2015 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Jan 2015 12 Jan 2015 001-36167
4 Open 4 document View SEC filing for 4 4 18 Sep 2014 17 Sep 2014 001-35403
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Jul 2014 02 Jul 2014 001-36167
4 Open 4 document View SEC filing for 4 FORM 4 - 19 Jun 2014 17 Jun 2014 001-36167
4 Open 4 document View SEC filing for 4 4 11 Jun 2014 10 Jun 2014 001-35403
5 Open 5 document View SEC filing for 5 5 14 Feb 2014 31 Dec 2013 001-36167
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 14 Feb 2014
4 Open 4 document View SEC filing for 4 4 20 Dec 2013 18 Dec 2013 001-36167
4 Open 4 document View SEC filing for 4 4 13 Nov 2013 12 Nov 2013 001-36167
3 Open 3 document View SEC filing for 3 3 05 Nov 2013 05 Nov 2013 001-36167
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Jun 2013 06 Jun 2013 000-51171
4 Open 4 document View SEC filing for 4 4 06 Jun 2013 04 Jun 2013 001-35403
4 Open 4 document View SEC filing for 4 4 27 Nov 2012 26 Nov 2012 001-35403
3 Open 3 document View SEC filing for 3 3 27 Nov 2012 26 Nov 2012 001-35403
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 May 2012 23 May 2012 000-51171
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2011 24 May 2011 000-51171
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Sep 2010 08 Sep 2010 000-51171
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 11 Feb 2010 09 Feb 2010 000-28298
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Jan 2010 15 Jan 2010 000-51171

About this filer

Michael Kauffman files with the SEC under CIK 0001364719. 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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