Filer Snapshot

D. Christian Koch SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001190801.

Entity Type

Individual

Total Filings

104

Latest Filing

12 Mar 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 12 Mar 2026 for CIK 0001190801.

View Source Filing
Business address
P.O. Box 1441, Minneapolis, MN, 55440-1441
Top holdings (ownership)
CSL and TTC

Quick Takeaways

  • D. Christian Koch is an SEC filer tracked under CIK 0001190801.
  • 104 filings are listed on this profile.
  • Common form coverage includes 4, 144, 4/A and more.

What Changed

  • Latest filing: 4 filed on 12 Mar 2026.
  • Report period: 10 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 12 Mar 2026 for CIK 0001190801.

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. Christian Koch.

Latest source-backed update
4 filed 12 Mar 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 12 Mar 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 D. Christian Koch

Ownership report updated

Latest ownership report period: 10 Mar 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

12 Mar 2026

Page type

Ownership filings

Latest period

10 Mar 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 12 Mar 2026.

Filer Overview

D. Christian Koch has filed 104 SEC EDGAR filings since 23 Feb 2004. Common forms include 4, 144, 4/A, 3.

Latest Filings

Recent SEC filings for D. Christian Koch 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 FORM 4 12 Mar 2026 10 Mar 2026 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 11 Feb 2026 10 Feb 2026 001-09278
144 Open 144 document View SEC filing for 144 10 Feb 2026
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2026 31 Jan 2026 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 29 Jan 2026 28 Jan 2026 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 16 Dec 2025 15 Dec 2025 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 04 Nov 2025 03 Nov 2025 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 11 Feb 2025 08 Feb 2025 001-09278
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 11 Feb 2025 28 Jan 2025 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 29 Jan 2025 28 Jan 2025 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 17 Dec 2024 16 Dec 2024 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 05 Nov 2024 01 Nov 2024 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 21 May 2024 20 May 2024 001-09278
144 Open 144 document View SEC filing for 144 14 May 2024
4 Open 4 document View SEC filing for 4 FORM 4 22 Feb 2024 21 Feb 2024 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 20 Feb 2024 15 Feb 2024 001-09278
144 Open 144 document View SEC filing for 144 13 Feb 2024
4 Open 4 document View SEC filing for 4 FORM 4 05 Feb 2024 02 Feb 2024 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 31 Jan 2024 30 Jan 2024 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 18 Dec 2023 15 Dec 2023 001-08649
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2023 01 Nov 2023 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2023 04 Feb 2023 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 01 Feb 2023 31 Jan 2023 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Dec 2022 15 Dec 2022 001-08649
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2022 01 Nov 2022 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 18 Aug 2022 17 Aug 2022 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 16 Aug 2022 15 Aug 2022 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 10 Feb 2022 08 Feb 2022 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2022 03 Jan 2022 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Dec 2021 15 Dec 2021 001-08649
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2021 01 Nov 2021 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 09 Aug 2021 06 Aug 2021 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2021 02 Feb 2021 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 05 Jan 2021 01 Jan 2021 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2020 13 Nov 2020 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2020 11 Nov 2020 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Nov 2020 02 Nov 2020 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 05 Feb 2020 04 Feb 2020 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 02 Jan 2020 01 Jan 2020 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 12 Nov 2019 07 Nov 2019 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Nov 2019 01 Nov 2019 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 14 Feb 2019 12 Feb 2019 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 06 Feb 2019 05 Feb 2019 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 04 Feb 2019 01 Feb 2019 001-09278
4/A Open 4/A document View SEC filing for 4/A FORM 4/A 03 Jan 2019 31 Dec 2018 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2019 31 Dec 2018 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 02 Nov 2018 01 Nov 2018 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2018 06 Feb 2018 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2018 01 Feb 2018 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 03 Jan 2018 31 Dec 2017 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2017 01 Nov 2017 001-08649
4 Open 4 document View SEC filing for 4 FORM 4 - 08 May 2017 05 May 2017 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 09 Feb 2017 08 Feb 2017 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 03 Feb 2017 01 Feb 2017 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 04 Jan 2017 31 Dec 2016 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Nov 2016 01 Nov 2016 001-08649
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 25 Apr 2016 21 Apr 2016 001-08649
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2016 01 Apr 2016 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 18 Feb 2016 17 Feb 2016 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 12 Feb 2016 10 Feb 2016 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 05 Feb 2016 03 Feb 2016 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Feb 2016 01 Feb 2016 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 05 Jan 2016 31 Dec 2015 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 23 Oct 2015 23 Oct 2015 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 11 Aug 2015 10 Aug 2015 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 01 May 2015 01 May 2015 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2015 01 Apr 2015 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 05 Feb 2015 04 Feb 2015 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 05 Jan 2015 31 Dec 2014 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 13 Nov 2014 12 Nov 2014 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 08 May 2014 06 May 2014 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2014 01 Apr 2014 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 06 Feb 2014 05 Feb 2014 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 03 Jan 2014 31 Dec 2013 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Jul 2013 30 Jul 2013 000-18607
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Apr 2013 01 Apr 2013 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 07 Feb 2013 06 Feb 2013 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 03 Jan 2013 31 Dec 2012 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 Aug 2012 30 Jul 2012 000-18607
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Apr 2012 02 Apr 2012 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 08 Feb 2012 07 Feb 2012 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Feb 2012 01 Feb 2012 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 28 Dec 2011 27 Dec 2011 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 27 Dec 2011 23 Dec 2011 001-09278
4 Open 4 document View SEC filing for 4 FORM 4 - 02 Dec 2011 30 Nov 2011 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2011 01 Apr 2011 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 07 Feb 2011 03 Feb 2011 001-09278
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Apr 2010 01 Apr 2010 000-18607
4 Open 4 document View SEC filing for 4 FORM 4 - 04 Feb 2010 02 Feb 2010 001-09278

About this filer

D. Christian Koch files with the SEC under CIK 0001190801. 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.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .