Filer Snapshot

Michael S. Weiss SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001038977.

Entity Type

Individual

Total Filings

140

Latest Filing

20 Mar 2026

Industry

n/a

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Business address
750 Lexington Ave, New York, NY, 10022
Top holdings (ownership)
TGTX, FBIO, CKPT, and MBIO

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Quick Takeaways

  • Michael S. Weiss is an SEC filer tracked under CIK 0001038977.
  • 140 filings are listed on this profile.
  • Common form coverage includes 4, SC 13D/A, 3/A and more.

What Changed

  • Latest filing: 4 filed on 20 Mar 2026.
  • Report period: 18 Mar 2026.

Why This Matters

  • You can quote filing dates and form types directly from the SEC record on this page.
  • Use this profile before deeper ownership or insider analysis to confirm filing history context.

Official SEC Source

Official SEC Source

SEC EDGAR submissions for CIK 0001038977.

See Original Filing

Filer Overview

Michael S. Weiss has filed 140 SEC EDGAR filings since 14 May 1997. Common forms include 4, SC 13D/A, 3/A, 5 and more.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Michael S. Weiss with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 20 Mar 2026 18 Mar 2026 001-35366
4 Open 4 document View SEC filing for 4 FORM 4 09 Jan 2026 08 Jan 2026 001-32639
4 Open 4 document View SEC filing for 4 FORM 4 07 Nov 2025 05 Nov 2025 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 30 May 2025 28 May 2025 001-38128
4 Open 4 document View SEC filing for 4 FORM 4 30 Jan 2025 29 Jan 2025 001-32639
4 Open 4 document View SEC filing for 4 03 Jan 2025 01 Jan 2025 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 Dec 2024 13 Dec 2024 001-38128
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 May 2024 14 May 2024 001-38128
4 Open 4 document View SEC filing for 4 FORM 4 08 Jan 2024 05 Jan 2024 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Jan 2024 01 Jan 2024 001-35366
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 21 Nov 2023
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 16 Nov 2023 14 Nov 2023 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 Aug 2023 11 Aug 2023 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 07 Jul 2023 05 Jul 2023 001-38191
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 15 Jun 2023 13 Jun 2023 001-38128
3/A Open 3/A document View SEC filing for 3/A OWNERSHIP DOCUMENT 06 Apr 2023 26 Sep 2016 001-38191
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 03 Apr 2023 29 Jul 2022 001-38191
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 Mar 2023 12 Mar 2023 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 Feb 2023 10 Feb 2023 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Jan 2023 01 Jan 2023 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Jul 2022 20 Jul 2022 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Jun 2022 16 Jun 2022 001-38128
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 29 Apr 2022 01 Jan 2022 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 07 Jan 2022 29 Dec 2021 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 08 Jul 2021 28 Jun 2021 001-38191
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 22 Jun 2021 18 Jun 2021 001-32639
4 Open 4 document View SEC filing for 4 FORM 4 11 Jun 2021 10 Jun 2021 001-38128
4 Open 4 document View SEC filing for 4 FORM 4 09 Apr 2021 01 Jan 2021 001-35366
5 Open 5 document View SEC filing for 5 OWNERSHIP DOCUMENT 31 Dec 2020 31 Dec 2020 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 19 Aug 2020 14 Jul 2020 001-38191
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 24 Jun 2020 22 Jun 2020 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 09 Jun 2020 05 Jun 2020 001-38128
4 Open 4 document View SEC filing for 4 FORM 4 13 Mar 2020 01 Jan 2020 001-35366
4 Open 4 document View SEC filing for 4 FORM 4 17 Jan 2020 14 Jun 2018 001-38191
4 Open 4 document View SEC filing for 4 FORM4 27 Jun 2019 26 Jun 2019 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 14 Jun 2019 13 Jun 2019 001-38128
4 Open 4 document View SEC filing for 4 FORM4 14 Jun 2019 13 Jun 2019 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Apr 2019 01 Jan 2018 001-35366
4 Open 4 document View SEC filing for 4 FORM 4 08 Aug 2018 07 Aug 2018 001-38114
4 Open 4 document View SEC filing for 4 FORM-4 28 Jun 2018 26 Jun 2018 001-32639
4 Open 4 document View SEC filing for 4 FORM 4 15 Jun 2018 14 Jun 2018 001-38128
3 Open 3 document View SEC filing for 3 FORM 3 18 Aug 2017 13 Mar 2017 001-38114
3/A Open 3/A document View SEC filing for 3/A FORM 3/A 20 Jul 2017 26 Sep 2016 000-55668
3 Open 3 document View SEC filing for 3 FORM 3 30 Jun 2017 26 Sep 2016 000-55668
4 Open 4 document View SEC filing for 4 FORM-4 19 Jun 2017 19 Jun 2017 001-32639
4 Open 4 document View SEC filing for 4 FORM 4 15 Jun 2017 15 Jun 2017 000-55506
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 27 Jan 2017
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Jan 2017 01 Jan 2017 001-35366
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2017 30 Dec 2016 001-32639
3 Open 3 document View SEC filing for 3 3 04 Oct 2016 09 Sep 2016 000-55506
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 22 Sep 2016 12 Sep 2016 001-12629
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Sep 2016 01 Sep 2016 001-32639
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A FORM SC 13D/A 28 Jan 2016
4 Open 4 document View SEC filing for 4 05 Jan 2016 01 Jan 2016 001-35366
4/A Open 4/A document View SEC filing for 4/A OWNERSHIP DOCUMENT 04 Jan 2016 31 Dec 2015 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Jan 2016 31 Dec 2015 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jun 2015 04 Jun 2015 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Jan 2015 30 Dec 2014 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 18 Dec 2014 16 Dec 2014 001-32639
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 12 Dec 2014 12 Dec 2014 001-36757
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 10 Nov 2014
4 Open 4 document View SEC filing for 4 10 Nov 2014 06 Nov 2014 001-35366
SC 13D Open SC 13D document View SEC filing for SC 13D SCHEDULE 13D 28 Feb 2014
4 Open 4 document View SEC filing for 4 24 Feb 2014 20 Feb 2014 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Jan 2014 30 Dec 2013 001-32639
4 Open 4 document View SEC filing for 4 FORM 4 23 Dec 2013 19 Dec 2013 001-35366
3 Open 3 document View SEC filing for 3 FORM 3 23 Dec 2013 19 Dec 2013 001-35366
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Dec 2013 11 Dec 2013 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Jan 2013 28 Dec 2012 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 11 Sep 2012 10 Sep 2012 001-32639
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 17 May 2012 30 Apr 2012 001-32639
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 09 Jan 2012 29 Dec 2011 001-32639
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 15 Oct 2010 05 Oct 2010 001-12629
4 Open 4 document View SEC filing for 4 12 May 2010 23 Apr 2010 000-30929
4 Open 4 document View SEC filing for 4 13 Apr 2010 05 Apr 2010 000-30929
5 Open 5 document View SEC filing for 5 16 Feb 2010 31 Dec 2009 000-30929

About this filer

Michael S. Weiss files with the SEC under CIK 0001038977. This page aggregates EDGAR filings and related ownership activity.

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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