Entity Type
Individual
- Info
- Insider Ownership
Filer Snapshot
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Open reporting owner context
Mark Greffen SEC EDGAR Filings
SEC filings, ownership reports, and insider transactions for CIK 0001788915.
Total Filings
10
Latest Filing
17 May 2023
Industry
n/a
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- Business address
- 7303 30 St. S.E., Calgary, Alberta, Canada, T2C 1N6
- Top holdings (ownership)
- DRTT
Quick Takeaways
- Mark Greffen is an SEC filer tracked under CIK 0001788915.
- 10 filings are listed on this profile.
- Common form coverage includes 4, 3.
What Changed
- Latest filing: 4 filed on 17 May 2023.
- Report period: 15 May 2023.
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.
Official SEC Source
Filer Overview
Mark Greffen has filed 10 SEC EDGAR filings since 08 Oct 2019. Common forms include 4, 3.
Latest Filings
Recent SEC filings for Mark Greffen 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 | 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.
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.