TETRAD CORP SEC EDGAR Filings (CIK 0000883597)

SEC EDGAR filings, ownership reports, and insider transactions for TETRAD CORP.

Business address
10340 North 84 Th Street, Omaha, NE, 68122
Top securities (13F)
BRKB, USB, and EPD
State of incorporation
WY
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TETRAD CORP has filed 79 SEC EDGAR filings since 01 Aug 2025

Latest Filings

Recent SEC filings for TETRAD CORP including 13F-HR, N-PX.

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open 13F-HR document View SEC filing for 13F-HR 07 Jan 2026 31 Dec 2025 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 06 Nov 2025 30 Sep 2025 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 05 Aug 2025 30 Jun 2025 028-25678
N-PX Open N-PX document View SEC filing for N-PX 05 Aug 2025 30 Jun 2025 028-25678
N-PX Open N-PX document View SEC filing for N-PX 05 Aug 2025 30 Jun 2024 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2025 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2024 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2024 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2024 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2024 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2023 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2023 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2023 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2023 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2022 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2022 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2022 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2022 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2021 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2021 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2021 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2021 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2020 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2020 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2020 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2020 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2019 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2019 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2019 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2019 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2018 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2018 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2018 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2018 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2017 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2017 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2017 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2017 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2016 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2016 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2016 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2016 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2015 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2015 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2015 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2015 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2014 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2014 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2014 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2014 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2013 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2013 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2013 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2013 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2012 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2012 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2012 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2012 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2011 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2011 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2011 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2011 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2010 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2010 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2010 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2010 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2009 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2009 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2009 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2009 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2008 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2008 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2008 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2008 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2007 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Sep 2007 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 30 Jun 2007 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Mar 2007 028-25678
13F-HR Open 13F-HR document View SEC filing for 13F-HR 01 Aug 2025 31 Dec 2006 028-25678

About this filer

TETRAD CORP files with the SEC under CIK 0000883597. 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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