Entity Type
Individual
Filer Snapshot
Siemiatkowski Sebastian SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0002097107.
Total Filings
3
Latest Filing
15 Apr 2026
Industry
n/a
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Source: SEC Forms 3/4/5
View Source Filing
4 filed on 15 Apr 2026 for CIK 0002097107.
- Business address
- 10 York Road, London, SE1 7ND
- Top holdings (ownership)
- KLAR
- Top holdings (Schedule 13G)
- KLAR
Quick Takeaways
- Siemiatkowski Sebastian is an SEC filer tracked under CIK 0002097107.
- 3 filings are listed on this profile.
- Common form coverage includes 4, 3, SCHEDULE 13G.
What Changed
- Latest filing: 4 filed on 15 Apr 2026.
- Report period: 30 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.
Source Evidence
Source: SEC Forms 3/4/5
View Source Filing
4 filed on 15 Apr 2026 for CIK 0002097107.
Return Loop
Why revisit this filer page
A newly filed 4 can change the filing history, ownership context, or next research path for Siemiatkowski Sebastian.
- Latest source-backed update
- 4 filed 15 Apr 2026
- Why come back
- Revisit after a new SEC filing appears to compare the updated record with prior filings.
- Latest filing on record: 4 filed 15 Apr 2026.
- Save this filer if you want a stable place to return after the next filing cycle.
- Open the latest filing table or ownership context to verify what changed.
Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.
Latest update
What changed recently for Siemiatkowski Sebastian
Latest ownership report period: 30 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
15 Apr 2026
Page type
Ownership filings
Latest period
30 Mar 2026
Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 Apr 2026.
Filer Overview
Siemiatkowski Sebastian has filed 3 SEC EDGAR filings since 18 Nov 2025. Common forms include 4, 3, SCHEDULE 13G.
Latest Filings
Recent SEC filings for Siemiatkowski Sebastian 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 | PRIMARY DOCUMENT | 15 Apr 2026 | 30 Mar 2026 | 001-42832 |
| 3 | Open 3 document | View SEC filing for 3 | PRIMARY DOCUMENT | 18 Mar 2026 | 18 Mar 2026 | 001-42832 |
| SCHEDULE 13G | Open SCHEDULE 13G document | View SEC filing for SCHEDULE 13G | 18 Nov 2025 |
About this filer
Siemiatkowski Sebastian files with the SEC under CIK 0002097107. 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.