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 Siemiatkowski Sebastian.

Siemiatkowski Sebastian has filed 1 SEC EDGAR filings since 18 Nov 2025

Recent SEC filings for Siemiatkowski Sebastian including SCHEDULE 13G.

Form type	Document	Filing	Description	Filing date	Reporting date	File number(s)
SCHEDULE 13G	Open SCHEDULE 13G document	View SEC filing for SCHEDULE 13G		18 Nov 2025

Siemiatkowski Sebastian files with the SEC under CIK 0002097107. 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.