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.

SEC EDGAR filings, ownership reports, and insider transactions for Hans Martin Seidel.

Business address: C/O Third Harmonic Bio, Inc., 300 Technology Square, 8 Th Floor, Cambridge, MA, 02139

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Hans Martin Seidel has filed 6 SEC EDGAR filings since 14 Sep 2022

Recent SEC filings for Hans Martin Seidel including 4, 3.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
4	Open 4 document	View SEC filing for 4		14 Aug 2025	11 Aug 2025	001-41498
4	Open 4 document	View SEC filing for 4		10 Jun 2024	06 Jun 2024	001-41498
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	08 Jun 2023	06 Jun 2023	001-41498
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	08 Mar 2023	06 Mar 2023	001-41498
4	Open 4 document	View SEC filing for 4	FORM 4 SUBMISSION	27 Oct 2022	26 Oct 2022	001-41498
3	Open 3 document	View SEC filing for 3	FORM 3 SUBMISSION	14 Sep 2022	14 Sep 2022	001-41498

Hans Martin Seidel files with the SEC under CIK 0001946001. This page aggregates EDGAR filings and related ownership activity.

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.