Markus W. Sieger SEC EDGAR Filings (CIK 0001337143)

SEC EDGAR filings, ownership reports, and insider transactions for Markus W. Sieger.

Business address
Beutstweg 12, Ch 8032, Zurich, Switzerland, 000000000
Top holdings (ownership)
RFL and CYTH
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Markus W. Sieger has filed 53 SEC EDGAR filings since 26 Aug 2005

Latest Filings

Recent SEC filings for Markus W. Sieger including 4, 3, SC 13D and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 30 Jan 2026 28 Jan 2026 001-38411
4 Open 4 document View SEC filing for 4 4 29 May 2025 27 May 2025 001-38411
3 Open 3 document View SEC filing for 3 3 02 Apr 2025 25 Mar 2025 001-38411
4 Open 4 document View SEC filing for 4 FORM 4 03 Mar 2025 27 Feb 2025 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2024 15 Nov 2024 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 20 Aug 2024 16 Aug 2024 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 05 Jun 2024 03 Jun 2024 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 15 Feb 2024 13 Feb 2024 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 30 Nov 2023 28 Nov 2023 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 23 Oct 2023 20 Oct 2023 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 22 Aug 2023 18 Aug 2023 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 18 May 2023 17 May 2023 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 24 Apr 2023 20 Apr 2023 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 09 Mar 2023 07 Mar 2023 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 09 Nov 2022 08 Nov 2022 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 04 Aug 2022 02 Aug 2022 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 04 May 2022 03 May 2022 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 30 Mar 2022 29 Mar 2022 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 01 Feb 2022 28 Jan 2022 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 30 Aug 2021 27 Aug 2021 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 21 Jun 2021 18 Jun 2021 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2021 21 May 2021 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 21 May 2021 21 May 2021 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 30 Mar 2021 29 Mar 2021 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 27 Jan 2021 25 Jan 2021 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 14 Dec 2020 11 Dec 2020 001-39780
4 Open 4 document View SEC filing for 4 FORM 4 31 Aug 2020 27 Aug 2020 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 27 Apr 2020 24 Apr 2020 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 26 Aug 2019 23 Aug 2019 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 03 Jun 2019 31 May 2019 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 27 Dec 2018 21 Dec 2018 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 28 Jun 2018 23 May 2018 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2018 23 Apr 2018 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 05 Feb 2018 01 Feb 2018 000-25466
4 Open 4 document View SEC filing for 4 FORM 4 19 Oct 2017 18 Oct 2017 000-25466
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 04 Apr 2017 31 Mar 2017 000-25466
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 27 Feb 2017 23 Feb 2017 000-25466
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 26 Jul 2016 22 Jul 2016 000-25466
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Feb 2015 07 Nov 2014 000-25466
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 PRIMARY DOCUMENT 21 Feb 2014 19 Feb 2014 000-25466
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 21 Feb 2014 19 Feb 2014 000-25466
4 Open 4 document View SEC filing for 4 22 Aug 2011 22 Aug 2011 000-24341
4 Open 4 document View SEC filing for 4 23 May 2011 19 May 2011 000-24341
4 Open 4 document View SEC filing for 4 09 Mar 2011 07 Mar 2011 000-24341
4 Open 4 document View SEC filing for 4 03 May 2010 29 Apr 2010 000-24341

About this filer

Markus W. Sieger files with the SEC under CIK 0001337143. 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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