Mark W. Helderman reports

Company location: Tulsa, OK

Mark W. Helderman has filed 13 SEC EDGAR filings since 20 Feb 2019

SEC filing history

Showing 1-13 of 13 matching filings.

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25

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1

4 File 001-13643

FORM 4

Filing date: 22 May 2026
Reporting date: 20 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

FORM 4

Filing date: 28 May 2025
Reporting date: 23 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

FORM 4

Filing date: 24 May 2024
Reporting date: 22 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 26 May 2023
Reporting date: 24 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 27 May 2022
Reporting date: 25 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 04 Mar 2022
Reporting date: 03 Mar 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 28 May 2021
Reporting date: 26 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 21 May 2020
Reporting date: 20 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 19 Mar 2020
Reporting date: 18 Mar 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 17 Dec 2019
Reporting date: 17 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 24 May 2019
Reporting date: 22 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-13643

PRIMARY DOCUMENT

Filing date: 20 Feb 2019
Reporting date: 19 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-13643

PRIMARY DOCUMENT

Filing date: 20 Feb 2019
Reporting date: 19 Feb 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

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