Mark Greffen SEC EDGAR Filings (CIK 0001788915)

SEC EDGAR filings, ownership reports, and insider transactions for Mark Greffen.

Business address
7303 30 St. S.E., Calgary, Alberta, Canada, T2C 1N6
Top holdings (ownership)
DRTT
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Mark Greffen has filed 10 SEC EDGAR filings since 08 Oct 2019

Latest Filings

Recent SEC filings for Mark Greffen including 4, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 4 17 May 2023 15 May 2023 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2023 01 Mar 2023 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Dec 2022 30 Nov 2022 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 21 Jun 2022 17 Jun 2022 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2022 01 Mar 2022 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 30 Sep 2021 28 Sep 2021 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Jun 2021 17 Jun 2021 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Mar 2021 01 Mar 2021 001-39061
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Jun 2020 17 Jun 2020 001-39061
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 08 Oct 2019 08 Oct 2019 001-39061

About this filer

Mark Greffen files with the SEC under CIK 0001788915. 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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