Filer Snapshot

Mark Welton) SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001255910.

Entity Type

Individual

Total Filings

62

Latest Filing

10 Mar 2026

Industry

n/a

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Go to latest filings table Open reporting owner context
Source: SEC Forms 3/4/5

4 filed on 10 Mar 2026 for CIK 0001255910.

View Source Filing
Business address
Imax Corporation, 2525 Speakman Drive, Mississauga, L5K 1B1
Top holdings (ownership)
IMAX

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Quick Takeaways

  • Mark Welton) is an SEC filer tracked under CIK 0001255910.
  • 62 filings are listed on this profile.
  • Common form coverage includes 4, 144, 4/A.

What Changed

  • Latest filing: 4 filed on 10 Mar 2026.
  • Report period: 07 Mar 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 10 Mar 2026 for CIK 0001255910.

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 Welton).

Latest source-backed update
4 filed 10 Mar 2026
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Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 4 filed 10 Mar 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

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Latest update

What changed recently for Mark Welton)

Ownership report updated

Latest ownership report period: 07 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

10 Mar 2026

Page type

Ownership filings

Latest period

07 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 10 Mar 2026.

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Filer Overview

Mark Welton) has filed 62 SEC EDGAR filings since 15 Aug 2003. Common forms include 4, 144, 4/A.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Mark Welton) 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 PRIMARY DOCUMENT 10 Mar 2026 07 Mar 2026 001-35066
144 Open 144 document View SEC filing for 144 15 Dec 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 15 Dec 2025 15 Dec 2025 001-35066
4 Open 4 document View SEC filing for 4 10 Nov 2025 10 Nov 2025 001-35066
144 Open 144 document View SEC filing for 144 10 Nov 2025
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Mar 2025 07 Mar 2025 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Dec 2024 09 Dec 2024 001-35066
144 Open 144 document View SEC filing for 144 09 Dec 2024
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Mar 2024 07 Mar 2024 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2023 07 Mar 2023 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2022 01 Dec 2022 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2022 07 Mar 2022 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2021 01 Dec 2021 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Mar 2021 11 Mar 2021 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2021 07 Mar 2021 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2020 01 Dec 2020 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Mar 2020 17 Mar 2020 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2020 12 Mar 2020 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Mar 2020 07 Mar 2020 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2019 01 Dec 2019 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2019 29 Apr 2019 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Mar 2019 07 Mar 2019 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Jul 2018 27 Jul 2018 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2018 07 Mar 2018 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2017 01 Dec 2017 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Dec 2017 29 Nov 2017 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2017 07 Mar 2017 001-35066
4/A Open 4/A document View SEC filing for 4/A PRIMARY DOCUMENT 13 Dec 2016 01 Dec 2016 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Dec 2016 01 Dec 2016 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 09 Mar 2016 07 Mar 2016 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 21 Dec 2015 17 Dec 2015 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Nov 2015 02 Nov 2015 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Mar 2015 07 Mar 2015 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Feb 2015 24 Feb 2015 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Oct 2014 24 Oct 2014 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 14 Mar 2014 13 Mar 2014 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Mar 2014 07 Mar 2014 001-35066
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Nov 2013 07 Nov 2013 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 14 Jun 2013 12 Jun 2013 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 11 Mar 2013 07 Mar 2013 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 26 Feb 2013 22 Feb 2013 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 09 Mar 2012 08 Mar 2012 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 11 Oct 2011 08 Oct 2011 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 29 Mar 2011 25 Mar 2011 001-35066
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Nov 2010 29 Oct 2010 000-24216
4 Open 4 document View SEC filing for 4 FORM 4 - 16 Mar 2010 12 Mar 2010 000-24216
4 Open 4 document View SEC filing for 4 FORM 4 - 08 Jan 2010 08 Jan 2010 000-24216

About this filer

Mark Welton) files with the SEC under CIK 0001255910. 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.

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