Klaas de Boer SEC EDGAR Filings (CIK 0001845960)

SEC EDGAR filings, ownership reports, and insider transactions for Klaas de Boer.

Business address
C/O Smartkem, Inc., Hexagon Tower, Delaunays Road, Blackley, Manchester, United Kingdom, M9 8GQ
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Klaas de Boer has filed 11 SEC EDGAR filings since 24 Feb 2021

Latest Filings

Recent SEC filings for Klaas de Boer including 4, 4/A, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Sep 2025 03 Sep 2025 001-42115
4 Open 4 document View SEC filing for 4 28 May 2025 28 May 2025 001-42115
4 Open 4 document View SEC filing for 4 17 Jun 2024 14 Jun 2024 001-42115
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 05 Jun 2024 30 May 2024 001-42115
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 02 Feb 2024 31 Jan 2024 000-56181
4 Open 4 document View SEC filing for 4 FORM 4 23 Jun 2023 22 Jun 2023 000-56181
4 Open 4 document View SEC filing for 4 OWNERSHIP DOCUMENT 12 Jul 2022 08 Jul 2022 000-56181
4/A Open 4/A document View SEC filing for 4/A 11 Apr 2022 31 Mar 2021 000-56181
4 Open 4 document View SEC filing for 4 02 Apr 2021 31 Mar 2021 000-56181
4 Open 4 document View SEC filing for 4 FORM 4 24 Feb 2021 23 Feb 2021 000-56181
3 Open 3 document View SEC filing for 3 FORM 3 24 Feb 2021 23 Feb 2021 000-56181

About this filer

Klaas de Boer files with the SEC under CIK 0001845960. 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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