Filer Snapshot

Mark Keith Holdsworth SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001095155.

Entity Type

Individual

Total Filings

99

Latest Filing

15 Apr 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 and return after a new SEC filing changes the record here.

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.
Source: SEC Forms 3/4/5

4 filed on 15 Apr 2026 for CIK 0001095155.

View Source Filing
Business address
140 S. Lake Ave., Ste. 304, Pasadena, CA, 91101
Top holdings (ownership)
RFIL and PSN
State of incorporation
DE

Quick Takeaways

  • Mark Keith Holdsworth is an SEC filer tracked under CIK 0001095155.
  • 99 filings are listed on this profile.
  • Common form coverage includes 4, SC 13D/A, SC 13D and more.

What Changed

  • Latest filing: 4 filed on 15 Apr 2026.
  • Report period: 14 Apr 2026.

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.

Source Evidence

Source: SEC Forms 3/4/5

4 filed on 15 Apr 2026 for CIK 0001095155.

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 Mark Keith Holdsworth.

Latest source-backed update
4 filed 15 Apr 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 15 Apr 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.

Latest update

What changed recently for Mark Keith Holdsworth

Ownership report updated

Latest ownership report period: 14 Apr 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

15 Apr 2026

Page type

Ownership filings

Latest period

14 Apr 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 15 Apr 2026.

Filer Overview

Mark Keith Holdsworth has filed 99 SEC EDGAR filings since 17 Sep 1999. Common forms include 4, SC 13D/A, SC 13D, 3 and more.

Latest Filings

Recent SEC filings for Mark Keith Holdsworth 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 15 Apr 2026 14 Apr 2026 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 12 Sep 2025 10 Sep 2025 000-13301
4 Open 4 document View SEC filing for 4 4 17 Apr 2025 15 Apr 2025 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 31 Mar 2025 27 Mar 2025 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 17 Oct 2024 15 Oct 2024 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 04 Oct 2024 02 Oct 2024 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 01 Oct 2024 27 Sep 2024 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 09 Sep 2024 05 Sep 2024 000-13301
4 Open 4 document View SEC filing for 4 4 18 Apr 2024 16 Apr 2024 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 03 Nov 2023 01 Nov 2023 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 03 Oct 2023 29 Sep 2023 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 28 Sep 2023 26 Sep 2023 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 08 Sep 2023 06 Sep 2023 000-13301
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 24 Apr 2023
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 20 Apr 2023 18 Apr 2023 001-07782
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Apr 2023 14 Apr 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Apr 2023 11 Apr 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2023 31 Mar 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2023 28 Mar 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Mar 2023 22 Mar 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Mar 2023 17 Mar 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2023 15 Mar 2023 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Sep 2022 08 Sep 2022 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Jul 2022 08 Jul 2022 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jul 2022 30 Jun 2022 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 18 Apr 2022 14 Apr 2022 001-07782
SC 13D/A Open SC 13D/A document View SEC filing for SC 13D/A SC 13D/A 04 Apr 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2022 29 Mar 2022 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2022 29 Mar 2022 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Jan 2022 12 Jan 2022 000-13301
SC 13D Open SC 13D document View SEC filing for SC 13D SC 13D 10 Jan 2022
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2022 30 Dec 2021 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Dec 2021 23 Dec 2021 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 10 Sep 2021 08 Sep 2021 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Jul 2021 08 Jul 2021 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Jun 2021 15 Jun 2021 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 May 2021 20 Apr 2021 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 Apr 2021 20 Apr 2021 001-07782
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Apr 2021 14 Apr 2021 000-13301
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Apr 2021 09 Apr 2021 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 02 Apr 2021 31 Mar 2021 001-07782
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2021 31 Dec 2020 000-13301
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 05 Jan 2021 31 Dec 2020 000-13301
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 23 Apr 2020 21 Apr 2020 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Apr 2020 01 Apr 2020 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 03 Jan 2020 01 Jan 2020 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Oct 2019 01 Oct 2019 001-07782
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 17 Jul 2019 15 Jul 2019 001-07782
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 07 May 2019 07 May 2019 001-07782
4 Open 4 document View SEC filing for 4 HOLDSWORTH FORM 4 15 Jun 2018 13 Jun 2018 001-37495
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Feb 2018 06 Feb 2018 814-00899
4 Open 4 document View SEC filing for 4 FORM 4 15 Dec 2017 13 Dec 2017 001-37495
4 Open 4 document View SEC filing for 4 FORM 4 18 Jul 2017 14 Jul 2017 001-37495
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Jun 2017 14 Jun 2017 001-37495
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 25 May 2017 23 May 2017 001-37495
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 14 Nov 2016 10 Nov 2016 001-37495
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 14 Nov 2016 10 Nov 2016 001-37495
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Oct 2014 09 Oct 2014 814-00899
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 May 2014 13 May 2014 814-00899
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Dec 2012 11 Dec 2012 814-00899

About this filer

Mark Keith Holdsworth files with the SEC under CIK 0001095155. 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.