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.

Filer Snapshot

D. Mark Leland SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001174722.

Entity Type

Individual

Total Filings

112

Latest Filing

20 May 2026

Industry

n/a

Save this filer page for the next filing cycle

Keep this page in your research queue, then return to compare new filings with prior context.

Save and revisit

Save this filer page

Create a free account to keep this page in your watchlists. After verification, we will save it automatically and open your saved research list.

Create free account and save this filer Already have an account? Sign in and save it

Best next steps

Start with the latest filings table, then open the strongest context page for this filer.

Use the filings table to verify the newest submission, form type, and report period.
Open the deeper context page only when this filer actually has insider or ownership signal.

Go to latest filings table Open reporting owner context

Source: SEC Forms 3/4/5

4 filed on 20 May 2026 for CIK 0001174722.

View Source Filing

Business address: 333 Clay Street, Suite 2400, Houston, TX, 77002
Top holdings (ownership): KNTK and RYN

Key facts

D. Mark Leland is an SEC filer tracked under CIK 0001174722.
112 filings are listed on this profile.
Common form coverage includes 4, 3, 5 and more.

Change

Latest filing: 4 filed on 20 May 2026.
Report period: 19 May 2026.

Research use

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.

Evidence

Source: SEC Forms 3/4/5

4 filed on 20 May 2026 for CIK 0001174722.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for D. Mark Leland.

Latest source-backed update: 4 filed 20 May 2026
Why come back: Revisit after a new SEC filing appears to compare the updated record with prior filings.

Latest filing on record: 4 filed 20 May 2026.
Save this filer if you want a stable place to return after the next filing cycle.
Open the latest filing table or ownership context to verify what changed.

Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Jump to save and follow actions Open latest filings table

Latest update

What changed recently for D. Mark Leland

Ownership report updated

Latest ownership report period: 19 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

20 May 2026

Page type

Ownership filings

Latest period

19 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 20 May 2026.

Open ownership filings Browse recent public updates

Filer Overview

D. Mark Leland has filed 112 SEC EDGAR filings since 09 Jan 2004. Common forms include 4, 3, 5, 4/A and more.

D. Mark Leland SEC filings D. Mark Leland owner filings

Latest Filings

Recent SEC filings for D. Mark Leland with direct links to document and filing folders.

4 File 001-38048

FORM 4

Filing date: 20 May 2026
Reporting date: 19 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-06780

FORM 4

Filing date: 19 May 2026
Reporting date: 15 May 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-06780

FORM 3

Filing date: 09 Feb 2026
Reporting date: 30 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38048

FORM 5

Filing date: 03 Feb 2026
Reporting date: 31 Dec 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

4

Filing date: 02 Feb 2026
Reporting date: 30 Jan 2026
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-42883

OWNERSHIP DOCUMENT

Filing date: 30 Sep 2025
Reporting date: 30 Sep 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

FORM 4

Filing date: 20 May 2025
Reporting date: 19 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

4

Filing date: 08 May 2025
Reporting date: 08 May 2025
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38048

5

Filing date: 21 Jan 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-32729

5

Filing date: 07 Jan 2025
Reporting date: 31 Dec 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

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

4 File 001-38048

4

Filing date: 21 May 2024
Reporting date: 20 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

4

Filing date: 09 May 2024
Reporting date: 09 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

Filing date: 08 May 2024
Reporting date: 06 May 2024
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38048

5

Filing date: 13 Feb 2024
Reporting date: 31 Dec 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

4

Filing date: 02 Jun 2023
Reporting date: 31 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

Filing date: 10 May 2023
Reporting date: 08 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 04 May 2023
Reporting date: 04 May 2023
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38048

FORM 5 SUBMISSION

Filing date: 09 Feb 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-32729

FORM 5 SUBMISSION

Filing date: 30 Jan 2023
Reporting date: 31 Dec 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-32729

FORM 5 SUBMISSION

Filing date: 30 Jan 2023
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

FORM 4 SUBMISSION

Filing date: 05 Jul 2022
Reporting date: 30 Jun 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 06 May 2022
Reporting date: 05 May 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

FORM 4

Filing date: 23 Feb 2022
Reporting date: 22 Feb 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38629

PRIMARY DOCUMENT

Filing date: 04 Jan 2022
Reporting date: 31 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

Filing date: 04 Jan 2022
Reporting date: 01 Jan 2022
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

FORM 4

Filing date: 20 Dec 2021
Reporting date: 17 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

FORM 4

Filing date: 09 Dec 2021
Reporting date: 08 Dec 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 07 May 2021
Reporting date: 06 May 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38629

PRIMARY DOCUMENT

Filing date: 12 Jan 2021
Reporting date: 31 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

Filing date: 05 Jan 2021
Reporting date: 01 Jan 2021
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

FORM 4

Filing date: 10 Dec 2020
Reporting date: 09 Dec 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

Filing date: 17 Jun 2020
Reporting date: 17 Jun 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 08 May 2020
Reporting date: 07 May 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38629

PRIMARY DOCUMENT

Filing date: 03 Feb 2020
Reporting date: 30 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38629

PRIMARY DOCUMENT

Filing date: 03 Feb 2020
Reporting date: 30 Jan 2020
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

PRIMARY DOCUMENT

Filing date: 23 Dec 2019
Reporting date: 19 Dec 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 13 May 2019
Reporting date: 09 May 2019
SEC evidence: Open document Open filing
Next action: Verify source filing

5 File 001-38048

PRIMARY DOCUMENT

Filing date: 11 Jan 2019
Reporting date: 31 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

PRIMARY DOCUMENT

Filing date: 26 Dec 2018
Reporting date: 21 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4/A File 001-38048

PRIMARY DOCUMENT

Filing date: 26 Dec 2018
Reporting date: 17 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-38048

PRIMARY DOCUMENT

Filing date: 19 Dec 2018
Reporting date: 17 Dec 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36789

4

Filing date: 23 Jul 2018
Reporting date: 23 Jul 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36789

PRIMARY DOCUMENT

Filing date: 04 Jun 2018
Reporting date: 31 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 10 May 2018
Reporting date: 09 May 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-32729

FORM 4 SUBMISSION

Filing date: 22 Feb 2018
Reporting date: 20 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-32729

FORM 3 SUBMISSION

Filing date: 22 Feb 2018
Reporting date: 20 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 20 Feb 2018
Reporting date: 20 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 08 Feb 2018
Reporting date: 06 Feb 2018
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36789

FORM 4 SUBMISSION

Filing date: 02 Jun 2017
Reporting date: 31 May 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-38048

FORM 3 SUBMISSION

Filing date: 29 Mar 2017
Reporting date: 29 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 14 Mar 2017
Reporting date: 13 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 09 Mar 2017
Reporting date: 08 Mar 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 17 Feb 2017
Reporting date: 15 Feb 2017
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 11 Oct 2016
Reporting date: 10 Oct 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-12147

FORM 4 SUBMISSION

Filing date: 17 Jun 2016
Reporting date: 16 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-12147

FORM 3 SUBMISSION

Filing date: 17 Jun 2016
Reporting date: 16 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36789

FORM 4 SUBMISSION

Filing date: 02 Jun 2016
Reporting date: 01 Jun 2016
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36789

FORM 4 SUBMISSION

Filing date: 05 Jun 2015
Reporting date: 03 Jun 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 18 Feb 2015
Reporting date: 13 Feb 2015
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-36789

FORM 4 SUBMISSION

Filing date: 22 Dec 2014
Reporting date: 19 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-36789

FORM 3 SUBMISSION

Filing date: 16 Dec 2014
Reporting date: 16 Dec 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 16 Jul 2014
Reporting date: 14 Jul 2014
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35213

FORM 4 SUBMISSION

Filing date: 10 Mar 2014
Reporting date: 30 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35213

FORM 3 SUBMISSION

Filing date: 10 Mar 2014
Reporting date: 30 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 17 Dec 2013
Reporting date: 15 Dec 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 29 May 2013
Reporting date: 13 May 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 22 Apr 2013
Reporting date: 19 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 08 Apr 2013
Reporting date: 05 Apr 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 21 Mar 2013
Reporting date: 21 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 07 Mar 2013
Reporting date: 07 Mar 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 22 Feb 2013
Reporting date: 21 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 07 Feb 2013
Reporting date: 07 Feb 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 22 Jan 2013
Reporting date: 22 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 08 Jan 2013
Reporting date: 08 Jan 2013
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 21 Dec 2012
Reporting date: 21 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

FORM 4

Filing date: 10 Dec 2012
Reporting date: 07 Dec 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 26 Nov 2012
Reporting date: 21 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 08 Nov 2012
Reporting date: 07 Nov 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 22 Oct 2012
Reporting date: 19 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 09 Oct 2012
Reporting date: 05 Oct 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 25 Sep 2012
Reporting date: 24 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 11 Sep 2012
Reporting date: 10 Sep 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 31 Aug 2012
Reporting date: 30 Aug 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

3 File 001-35230

MAIN DOCUMENT DESCRIPTION

Filing date: 31 May 2012
Reporting date: 22 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-33825

PRIMARY DOCUMENT

Filing date: 25 May 2012
Reporting date: 25 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14365

PRIMARY DOCUMENT

Filing date: 25 May 2012
Reporting date: 25 May 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14365

PRIMARY DOCUMENT

Filing date: 03 Apr 2012
Reporting date: 01 Apr 2012
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14365

PRIMARY DOCUMENT

Filing date: 05 Apr 2011
Reporting date: 01 Apr 2011
SEC evidence: Open document Open filing
Next action: Verify source filing

4 File 001-14365

PRIMARY DOCUMENT

Filing date: 06 Apr 2010
Reporting date: 01 Apr 2010
SEC evidence: Open document Open filing
Next action: Verify source filing

About this filer

D. Mark Leland files with the SEC under CIK 0001174722. 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.