Filer Snapshot

Stephen Paul Koch SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001488432.

Entity Type

Individual

Total Filings

57

Latest Filing

06 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 06 Mar 2026 for CIK 0001488432.

View Source Filing
Business address
C/O Reliance Steel & Aluminum Co., 16100 N. 71 St Street, Suite 400, Scottsdale, AZ, 85254
Top holdings (ownership)
RS

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Quick Takeaways

  • Stephen Paul Koch is an SEC filer tracked under CIK 0001488432.
  • 57 filings are listed on this profile.
  • Common form coverage includes 4, 144, 3.

What Changed

  • Latest filing: 4 filed on 06 Mar 2026.
  • Report period: 05 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 06 Mar 2026 for CIK 0001488432.

View Source Filing

Filer Overview

Stephen Paul Koch has filed 57 SEC EDGAR filings since 12 Apr 2010. Common forms include 4, 144, 3.

Reporting owner transactions Latest 13F filings

Latest Filings

Recent SEC filings for Stephen Paul 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 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 06 Mar 2026 05 Mar 2026 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 25 Feb 2026 23 Feb 2026 001-13122
144 Open 144 document View SEC filing for 144 23 Feb 2026
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 02 Dec 2025 01 Dec 2025 001-13122
144 Open 144 document View SEC filing for 144 01 Dec 2025
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 25 Feb 2025 24 Feb 2025 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Dec 2024 01 Dec 2024 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Jun 2024 31 May 2024 001-13122
144 Open 144 document View SEC filing for 144 31 May 2024
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Mar 2024 01 Mar 2024 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 21 Feb 2024 16 Feb 2024 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Dec 2023 01 Dec 2023 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Mar 2023 01 Mar 2023 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 22 Feb 2023 17 Feb 2023 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 05 Dec 2022 02 Dec 2022 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 24 Mar 2022 22 Mar 2022 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 01 Mar 2022 28 Feb 2022 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 23 Feb 2022 18 Feb 2022 001-13122
4 Open 4 document View SEC filing for 4 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES 03 Dec 2021 01 Dec 2021 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Mar 2021 23 Mar 2021 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Feb 2021 23 Feb 2021 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2020 03 Dec 2020 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 25 Nov 2020 24 Nov 2020 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 26 Mar 2020 24 Mar 2020 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2020 25 Feb 2020 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Dec 2019 03 Dec 2019 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 01 May 2019 30 Apr 2019 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2019 25 Mar 2019 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2019 25 Feb 2019 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2019 31 Dec 2018 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 May 2018 18 May 2018 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 29 Mar 2018 27 Mar 2018 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Mar 2018 02 Mar 2018 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Jan 2018 31 Dec 2017 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 30 Mar 2017 28 Mar 2017 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 10 Mar 2017 27 Feb 2017 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Jan 2017 31 Dec 2016 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Aug 2016 10 Aug 2016 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Apr 2016 25 Apr 2016 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 24 Mar 2016 22 Mar 2016 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 16 Mar 2016 14 Mar 2016 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2016 31 Dec 2015 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 12 Aug 2015 11 Aug 2015 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Aug 2015 04 Aug 2015 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 Mar 2015 27 Mar 2015 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 17 Mar 2015 02 Mar 2015 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 05 Jan 2015 31 Dec 2014 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 04 Sep 2014 03 Sep 2014 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 06 Aug 2014 05 Aug 2014 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Mar 2014 25 Mar 2014 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 31 May 2013 30 May 2013 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 27 Feb 2013 26 Feb 2013 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 22 Mar 2012 16 Mar 2012 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 08 Aug 2011 08 Aug 2011 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 03 Mar 2011 23 Feb 2011 001-13122
4 Open 4 document View SEC filing for 4 PRIMARY DOCUMENT 28 Jul 2010 26 Jul 2010 001-13122
3 Open 3 document View SEC filing for 3 PRIMARY DOCUMENT 12 Apr 2010 01 Apr 2010 001-13122

About this filer

Stephen Paul Koch files with the SEC under CIK 0001488432. 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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