David W. Benson

Business address
Po Box 846, Ames, IA, 50010
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David W. Benson has filed 36 SEC EDGAR filings since 7/18/2011

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
4 Open Document Open Filing PRIMARY DOCUMENT May 1, 2025 May 1, 2025 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Nov 1, 2024 Oct 30, 2024 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Feb 1, 2023 Jan 31, 2023 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2022 Nov 30, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Oct 31, 2022 Oct 31, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Sep 1, 2022 Aug 31, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT May 31, 2022 May 31, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT May 2, 2022 Apr 29, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Mar 1, 2022 Feb 28, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Feb 1, 2022 Jan 31, 2022 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Dec 1, 2021 Nov 30, 2021 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Nov 1, 2021 Aug 31, 2021 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Aug 2, 2021 Jul 30, 2021 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT May 28, 2021 May 28, 2021 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT May 3, 2021 Apr 30, 2021 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Mar 12, 2021 Mar 12, 2021 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Sep 14, 2020 Sep 11, 2020 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Jul 24, 2020 Jul 23, 2020 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Mar 13, 2020 Mar 13, 2020 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Mar 11, 2020 Mar 9, 2020 000-32637
4/A Open Document Open Filing PRIMARY DOCUMENT Dec 31, 2018 Dec 11, 2018 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Dec 11, 2018 Dec 11, 2018 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Sep 13, 2018 Sep 13, 2018 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Sep 12, 2018 Sep 12, 2018 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Aug 21, 2017 Aug 3, 2017 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Aug 2, 2017 Aug 2, 2017 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Aug 1, 2017 Aug 1, 2017 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Jun 1, 2015 May 29, 2015 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT May 29, 2015 May 28, 2015 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT Feb 6, 2015 Feb 5, 2015 000-32637
4/A Open Document Open Filing PRIMARY DOCUMENT May 8, 2014 May 5, 2014 000-32637
4 Open Document Open Filing PRIMARY DOCUMENT May 5, 2014 May 5, 2014 000-32637