Jennifer L. Hamann

Entity
Individual
Business address
1400 Douglas Street, 68130 Omaha, NE
Insider ownership signature
/s/ Theresa E. Wagler by Power of Attorney
All SEC filings
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Jennifer L. Hamann has filed 85 SEC EDGAR filings since 1/2/2020

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Nov 6, 2025 Nov 6, 2025 000-21719
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Oct 14, 2025 Oct 10, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Oct 14, 2025 Oct 10, 2025 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Sep 11, 2025 Sep 10, 2025 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Aug 15, 2025 Aug 14, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Aug 11, 2025 Aug 10, 2025 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jul 14, 2025 Jul 11, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Jul 11, 2025 Jul 10, 2025 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jun 11, 2025 Jun 10, 2025 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jun 3, 2025 Jun 2, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT May 12, 2025 May 10, 2025 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Apr 25, 2025 Apr 25, 2025 000-21719
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Apr 14, 2025 Apr 11, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Apr 11, 2025 Apr 10, 2025 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Mar 11, 2025 Mar 10, 2025 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Feb 24, 2025 Feb 21, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Feb 11, 2025 Feb 10, 2025 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 7, 2025 Feb 6, 2025 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jan 29, 2025 Jan 28, 2025 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jan 13, 2025 Jan 10, 2025 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Dec 4, 2024 Dec 3, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Nov 8, 2024 Nov 7, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Oct 11, 2024 Oct 10, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Oct 11, 2024 Oct 11, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Sep 11, 2024 Sep 10, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Aug 16, 2024 Aug 15, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Aug 12, 2024 Aug 10, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jul 15, 2024 Jul 12, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Jul 10, 2024 Jul 10, 2024 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jun 12, 2024 Jun 10, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jun 3, 2024 Jun 3, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT May 13, 2024 May 10, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Apr 15, 2024 Apr 12, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Apr 11, 2024 Apr 10, 2024 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Mar 11, 2024 Mar 10, 2024 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 28, 2024 Feb 26, 2024 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 12, 2024 Feb 8, 2024 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Jan 17, 2024 Jan 16, 2024 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Dec 14, 2023 Dec 13, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Nov 21, 2023 Nov 20, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Nov 14, 2023 Nov 10, 2023 001-06075
4 Open Document Open Filing STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Nov 2, 2023 Nov 1, 2023 000-21719
3 Open Document Open Filing INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Nov 2, 2023 Sep 18, 2023 000-21719
4 Open Document Open Filing PRIMARY DOCUMENT Sep 11, 2023 Sep 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Aug 25, 2023 Aug 23, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Aug 14, 2023 Aug 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jul 12, 2023 Jul 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jun 13, 2023 Jun 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT May 12, 2023 May 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Apr 11, 2023 Apr 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Mar 14, 2023 Mar 10, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 13, 2023 Feb 9, 2023 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Dec 12, 2022 Dec 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Nov 14, 2022 Nov 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Oct 11, 2022 Oct 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Sep 12, 2022 Sep 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Aug 11, 2022 Aug 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jul 12, 2022 Jul 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jun 14, 2022 Jun 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT May 12, 2022 May 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Apr 12, 2022 Apr 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Mar 21, 2022 Mar 17, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Mar 11, 2022 Mar 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 11, 2022 Feb 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 9, 2022 Feb 7, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 4, 2022 Feb 3, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jan 12, 2022 Jan 10, 2022 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Dec 14, 2021 Dec 10, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Nov 12, 2021 Nov 10, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Oct 26, 2021 Oct 25, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Oct 12, 2021 Oct 10, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Sep 14, 2021 Sep 10, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Aug 12, 2021 Aug 10, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Apr 7, 2021 Apr 6, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 9, 2021 Feb 8, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2021 Feb 4, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 3, 2021 Feb 2, 2021 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Dec 16, 2020 Dec 10, 2020 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Sep 14, 2020 Sep 10, 2020 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Aug 14, 2020 Aug 13, 2020 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 7, 2020 Feb 6, 2020 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 5, 2020 Feb 4, 2020 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Feb 3, 2020 Jan 31, 2020 001-06075
4 Open Document Open Filing PRIMARY DOCUMENT Jan 21, 2020 Jan 16, 2020 001-06075
3 Open Document Open Filing PRIMARY DOCUMENT Jan 2, 2020 Jan 1, 2020 001-06075