Filer Snapshot

Matthew M. Rizai SEC EDGAR Filings

SEC filings, ownership reports, and insider transactions for CIK 0001013631.

Entity Type

Individual

Total Filings

49

Latest Filing

05 Mar 2026

Industry

n/a

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Source: SEC filing 144

144 filed on 05 Mar 2026 for CIK 0001013631.

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Business address
2900 University Blvd., Ames, IA, 50010
Top holdings (Schedule 13G)
WK

Quick Takeaways

  • Matthew M. Rizai is an SEC filer tracked under CIK 0001013631.
  • 49 filings are listed on this profile.
  • Common form coverage includes 144, SCHEDULE 13G/A, SC 13G/A and more.

What Changed

  • Latest filing: 144 filed on 05 Mar 2026.
  • Report period: not specified in filing header.

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 filing 144

144 filed on 05 Mar 2026 for CIK 0001013631.

View Source Filing

Return Loop

Why revisit this filer page

A newly filed 144 can change the filing history, ownership context, or next research path for Matthew M. Rizai.

Latest source-backed update
144 filed 05 Mar 2026
Why come back
Revisit after a new SEC filing appears to compare the updated record with prior filings.
  • Latest filing on record: 144 filed 05 Mar 2026.
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Filer freshness comes from SEC EDGAR submission history and related source-backed ownership or portfolio filings when available.

Latest update

What changed recently for Matthew M. Rizai

New filing available

Latest Schedule 13D/G period: 31 Dec 2025. Open the source-backed page to inspect the fresh filing or facts context.

Update date

13 Feb 2026

Page type

Filer profile

Latest period

31 Dec 2025

Schedule 13D/G context is visible from filings filed on 13 Feb 2026.

Filer Overview

Matthew M. Rizai has filed 49 SEC EDGAR filings since 13 Feb 1998. Common forms include 144, SCHEDULE 13G/A, SC 13G/A, 4 and more.

Latest Filings

Recent SEC filings for Matthew M. Rizai with direct links to document and filing folders.

Form type Document Filing Description Filing date Reporting date File number(s)
144 Open 144 document View SEC filing for 144 05 Mar 2026
144 Open 144 document View SEC filing for 144 20 Feb 2026
SCHEDULE 13G/A Open SCHEDULE 13G/A document View SEC filing for SCHEDULE 13G/A 13 Feb 2026
144 Open 144 document View SEC filing for 144 21 Jan 2026
144 Open 144 document View SEC filing for 144 02 Jan 2026
144 Open 144 document View SEC filing for 144 17 Dec 2025
144 Open 144 document View SEC filing for 144 12 Nov 2025
144 Open 144 document View SEC filing for 144 14 Oct 2025
144 Open 144 document View SEC filing for 144 03 Oct 2025
144 Open 144 document View SEC filing for 144 01 Aug 2025
144 Open 144 document View SEC filing for 144 14 Jul 2025
144 Open 144 document View SEC filing for 144 19 May 2025
144 Open 144 document View SEC filing for 144 16 Jan 2025
144 Open 144 document View SEC filing for 144 18 Dec 2024
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 09 Feb 2024
144 Open 144 document View SEC filing for 144 22 Dec 2023
144 Open 144 document View SEC filing for 144 21 Dec 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 10 Feb 2023
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 10 Feb 2022
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 16 Feb 2021
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2020
4 Open 4 document View SEC filing for 4 FORM 4 21 May 2019 17 May 2019 001-36773
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 13 Feb 2019
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2018
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2018 05 Feb 2018 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 05 Feb 2018 01 Feb 2018 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 22 Jan 2018 18 Jan 2018 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 11 Sep 2017 07 Sep 2017 001-36773
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G/A 14 Feb 2017
4 Open 4 document View SEC filing for 4 FORM 4 07 Feb 2017 06 Feb 2017 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 03 Feb 2017 01 Feb 2017 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 20 Jan 2017 18 Jan 2017 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 16 Nov 2016 14 Nov 2016 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 09 Aug 2016 08 Aug 2016 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 16 May 2016 12 May 2016 001-36773
SC 13G/A Open SC 13G/A document View SEC filing for SC 13G/A SC 13G 16 Feb 2016
4 Open 4 document View SEC filing for 4 FORM 4 09 Feb 2016 05 Feb 2016 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 02 Feb 2016 01 Feb 2016 001-36773
4 Open 4 document View SEC filing for 4 FORM 4 21 Jan 2016 19 Jan 2016 001-36773
5 Open 5 document View SEC filing for 5 FORM 5 21 Jan 2016 31 Dec 2015 001-36773
SC 13G Open SC 13G document View SEC filing for SC 13G SC 13G 13 Feb 2015
4 Open 4 document View SEC filing for 4 FORM 4 09 Feb 2015 05 Feb 2015 001-36773
3 Open 3 document View SEC filing for 3 FORM 3 10 Dec 2014 10 Dec 2014 001-36773

About this filer

Matthew M. Rizai files with the SEC under CIK 0001013631. 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.