Charles S. Leykum SEC EDGAR Filings (CIK 0001708727)

SEC EDGAR filings, ownership reports, and insider transactions for Charles S. Leykum.

Business address
1000 Louisiana Street, Suite 3850, Houston, TX, 77002
Top holdings (ownership)
STNL and RNGR
Top holdings (Schedule 13D)
RNGR
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Charles S. Leykum has filed 42 SEC EDGAR filings since 10 Aug 2017

Latest Filings

Recent SEC filings for Charles S. Leykum including 4, 3, SCHEDULE 13D/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open 4 document View SEC filing for 4 16 Sep 2025 10 Sep 2025 001-42827
4 Open 4 document View SEC filing for 4 10 Sep 2025 10 Sep 2025 001-42827
3 Open 3 document View SEC filing for 3 08 Sep 2025 08 Sep 2025 001-42827
SCHEDULE 13D/A Open SCHEDULE 13D/A document View SEC filing for SCHEDULE 13D/A 30 May 2025
4 Open 4 document View SEC filing for 4 4 30 May 2025 30 May 2025 001-38183
4 Open 4 document View SEC filing for 4 4 12 Nov 2024 01 Nov 2024 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 05 Aug 2024 01 Aug 2024 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 29 Jul 2024 25 Jul 2024 001-38183
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 08 May 2024
4 Open 4 document View SEC filing for 4 4 28 Mar 2024 27 Mar 2024 001-38183
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 26 Mar 2024
4 Open 4 document View SEC filing for 4 4 26 Mar 2024 22 Mar 2024 001-38183
4 Open 4 document View SEC filing for 4 4 21 Mar 2024 20 Mar 2024 001-38183
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 14 Feb 2024 18 Dec 2023 001-38183
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 14 Feb 2024 11 Aug 2023 001-38183
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 20 Dec 2023
4 Open 4 document View SEC filing for 4 4 19 Dec 2023 18 Dec 2023 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Dec 2023 13 Dec 2023 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Dec 2023 08 Dec 2023 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 07 Dec 2023 05 Dec 2023 001-38183
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 05 Dec 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 04 Dec 2023 30 Nov 2023 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 29 Nov 2023 27 Nov 2023 001-38183
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 07 Nov 2023
4 Open 4 document View SEC filing for 4 FORM 4 15 Aug 2023 11 Aug 2023 001-38183
4 Open 4 document View SEC filing for 4 FORM 4 03 Aug 2023 01 Aug 2023 001-38183
4 Open 4 document View SEC filing for 4 15 May 2023 03 Mar 2023 001-38271
4 Open 4 document View SEC filing for 4 31 Mar 2023 13 Dec 2022 001-38271
4 Open 4 document View SEC filing for 4 14 Nov 2022 20 Sep 2022 001-38271
4 Open 4 document View SEC filing for 4 23 May 2022 25 Jan 2022 001-38271
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 Oct 2021 27 Jun 2019 001-38183
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 22 Sep 2021
4 Open 4 document View SEC filing for 4 16 Aug 2021 03 May 2021 001-38271
4 Open 4 document View SEC filing for 4 31 Mar 2021 07 Nov 2019 001-38271
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 12 May 2020
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 16 Mar 2020
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 19 Nov 2019
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 19 Nov 2019
3 Open 3 document View SEC filing for 3 OWNERSHIP DOCUMENT 02 Nov 2017 02 Nov 2017 001-38271
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 28 Aug 2017
4 Open 4 document View SEC filing for 4 4 18 Aug 2017 16 Aug 2017 001-38183
3 Open 3 document View SEC filing for 3 3 10 Aug 2017 10 Aug 2017 001-38183

About this filer

Charles S. Leykum files with the SEC under CIK 0001708727. 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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