MATTHEW M. RIZAI SEC EDGAR Filings (CIK 0001013631)

SEC EDGAR filings, ownership reports, and insider transactions for MATTHEW M. RIZAI.

Business address
2900 University Blvd., Ames, IA, 50010
Top holdings (Schedule 13G)
WK
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MATTHEW M. RIZAI has filed 48 SEC EDGAR filings since 13 Feb 1998

Latest Filings

Recent SEC filings for MATTHEW M. RIZAI including 144, SCHEDULE 13G/A, SC 13G/A and more.

Form type Document Filing Description Filing date Reporting date File number(s)
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.

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