Filer Snapshot

David W. Heinzmann SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001279765.

Entity Type

Individual

Total Filings

104

Latest Filing

09 May 2025

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 09 May 2025 for CIK 0001279765.

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Business address
8755 West Higgins Road, Suite 500, Chicago, IL, 60631
Top holdings (ownership)
LFUS and THRM

Quick Takeaways

  • David W. Heinzmann is an SEC filer tracked under CIK 0001279765.
  • 104 filings are listed on this profile.
  • Common form coverage includes 4, 144, 3.

What Changed

  • Latest filing: 4 filed on 09 May 2025.
  • Report period: 08 May 2025.

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 09 May 2025 for CIK 0001279765.

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Return Loop

Why revisit this filer page

A newly filed 4 can change the filing history, ownership context, or next research path for David W. Heinzmann.

Latest source-backed update
4 filed 09 May 2025
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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 09 May 2025.
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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 David W. Heinzmann

Ownership report updated

Latest ownership report period: 08 May 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

09 May 2025

Page type

Ownership filings

Latest period

08 May 2025

Ownership context was refreshed from SEC Forms 3/4/5 filed on 09 May 2025.

Open ownership filings Browse recent public updates

Filer Overview

David W. Heinzmann has filed 104 SEC EDGAR filings since 13 Feb 2004. Common forms include 4, 144, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for David W. Heinzmann 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 09 May 2025 08 May 2025 000-21810
4 Open 4 document View SEC filing for 4 27 Aug 2024 26 Aug 2024 000-20388
144 Open 144 document View SEC filing for 144 26 Aug 2024
4 Open 4 document View SEC filing for 4 26 Aug 2024 23 Aug 2024 000-20388
144 Open 144 document View SEC filing for 144 23 Aug 2024
4 Open 4 document View SEC filing for 4 01 Aug 2024 31 Jul 2024 000-20388
144 Open 144 document View SEC filing for 144 31 Jul 2024
4 Open 4 document View SEC filing for 4 19 Jul 2024 18 Jul 2024 000-20388
144 Open 144 document View SEC filing for 144 18 Jul 2024
4 Open 4 document View SEC filing for 4 18 Jul 2024 16 Jul 2024 000-20388
144 Open 144 document View SEC filing for 144 17 Jul 2024
144 Open 144 document View SEC filing for 144 16 Jul 2024
4 Open 4 document View SEC filing for 4 4 20 May 2024 16 May 2024 000-21810
4 Open 4 document View SEC filing for 4 29 Apr 2024 27 Apr 2024 000-20388
4 Open 4 document View SEC filing for 4 29 Apr 2024 25 Apr 2024 000-20388
4 Open 4 document View SEC filing for 4 23 Apr 2024 22 Apr 2024 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 22 May 2023 18 May 2023 000-21810
4 Open 4 document View SEC filing for 4 01 May 2023 28 Apr 2023 000-20388
4 Open 4 document View SEC filing for 4 01 May 2023 27 Apr 2023 000-20388
4 Open 4 document View SEC filing for 4 25 Apr 2023 22 Apr 2023 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 16 Feb 2023 14 Feb 2023 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 06 Jun 2022 02 Jun 2022 000-21810
4 Open 4 document View SEC filing for 4 FORM 4 02 May 2022 28 Apr 2022 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2022 26 Apr 2022 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2022 22 Apr 2022 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 18 Nov 2021 16 Nov 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2021 15 Nov 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 22 Oct 2021 21 Oct 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 24 May 2021 20 May 2021 000-21810
4 Open 4 document View SEC filing for 4 FORM 4 29 Apr 2021 27 Apr 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2021 26 Apr 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 27 Apr 2021 23 Apr 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2021 22 Apr 2021 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 13 Nov 2020 11 Nov 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2020 05 Nov 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 13 Aug 2020 11 Aug 2020 000-21810
3 Open 3 document View SEC filing for 3 FORM 3 SUBMISSION 13 Aug 2020 11 Aug 2020 000-21810
4 Open 4 document View SEC filing for 4 FORM 4 30 Apr 2020 28 Apr 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 28 Apr 2020 26 Apr 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 27 Apr 2020 23 Apr 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 16 Jan 2020 14 Jan 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 07 Jan 2020 03 Jan 2020 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 30 Apr 2019 26 Apr 2019 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 24 Apr 2019 22 Apr 2019 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 01 May 2018 27 Apr 2018 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2018 24 Apr 2018 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 24 Apr 2018 22 Apr 2018 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 27 Feb 2018 26 Feb 2018 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 21 Feb 2018 20 Feb 2018 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 01 May 2017 28 Apr 2017 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 26 Apr 2017 25 Apr 2017 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 25 Apr 2017 22 Apr 2017 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 11 Jan 2017 10 Jan 2017 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2017 03 Jan 2017 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 01 Sep 2016 31 Aug 2016 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 05 May 2016 27 Apr 2016 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 28 Apr 2016 26 Apr 2016 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 27 Apr 2016 25 Apr 2016 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 26 Apr 2016 22 Apr 2016 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 16 Dec 2015 14 Dec 2015 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 12 Nov 2015 09 Nov 2015 000-20388
4 Open 4 document View SEC filing for 4 FORM 4 SUBMISSION 09 Nov 2015 05 Nov 2015 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Apr 2015 24 Apr 2015 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Nov 2014 07 Nov 2014 000-20388
4 Open 4 document View SEC filing for 4 17 Jun 2014 13 Jun 2014 001-05375
3 Open 3 document View SEC filing for 3 16 Jun 2014 06 Jun 2014 001-05375
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2014 28 Apr 2014 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Apr 2014 25 Apr 2014 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 Jan 2014 10 Jan 2014 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 20 Nov 2013 18 Nov 2013 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 13 May 2013 09 May 2013 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2013 29 Apr 2013 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Apr 2013 26 Apr 2013 000-20388
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Apr 2013 24 Apr 2013 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 11 Jun 2012 08 Jun 2012 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 08 Jun 2012 06 Jun 2012 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 01 May 2012 27 Apr 2012 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 27 Apr 2012 25 Apr 2012 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 25 Apr 2012 24 Apr 2012 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 11 May 2011 10 May 2011 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 03 May 2011 29 Apr 2011 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 26 Apr 2011 25 Apr 2011 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 04 Mar 2011 03 Mar 2011 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 14 Feb 2011 14 Feb 2011 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 09 Nov 2010 08 Nov 2010 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 12 May 2010 10 May 2010 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 03 May 2010 30 Apr 2010 000-20388
4 Open 4 document View SEC filing for 4 MAIN DOCUMENT DESCRIPTION 19 Feb 2010 18 Feb 2010 000-20388

About this filer

David W. Heinzmann files with the SEC under CIK 0001279765. 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.