MARK W. HELDERMAN SEC EDGAR Filings (CIK 0001766621)

SEC EDGAR filings, ownership reports, and insider transactions for MARK W. HELDERMAN.

Business address
100 W. 5 Th St., Tulsa, OK, 74102
Top holdings (ownership)
OKE
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MARK W. HELDERMAN has filed 12 SEC EDGAR filings since 20 Feb 2019

Latest Filings

Recent SEC filings for MARK W. HELDERMAN including 4, 3.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 FORM 4 28 May 2025 23 May 2025 001-13643
4 Open 4 document View SEC filing for 4 FORM 4 24 May 2024 22 May 2024 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 May 2023 24 May 2023 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 May 2022 25 May 2022 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Mar 2022 03 Mar 2022 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 May 2021 26 May 2021 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 May 2020 20 May 2020 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 19 Mar 2020 18 Mar 2020 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Dec 2019 17 Dec 2019 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 May 2019 22 May 2019 001-13643
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Feb 2019 19 Feb 2019 001-13643
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 20 Feb 2019 19 Feb 2019 001-13643

About this filer

MARK W. HELDERMAN files with the SEC under CIK 0001766621. 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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