| 2024 | Nebraska Greats Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2024 | Nebraska State Fair Board | 990 | Board Member | 1 | $0 | $0 | View return |
| 2024 | Iowa Farm Bureau Federation | 990 | Director | 1 | $0 | $0 | View return |
| 2023 | Nebraska State Fair Board | 990 | Board Member | 1 | $0 | $0 | View return |
| 2023 | Nebraska Greats Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Iowa Farm Bureau Federation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Iowa Farm Bureau Federation | 990 | Director | 1 | $0 | $0 | View return |
| 2022 | Nebraska Greats Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2022 | Nebraska State Fair Board | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | Iowa Farm Bureau Federation | 990EZ | Director | 1.5 | $0 | $0 | View return |
| 2021 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2021 | Nebraska State Fair Board | 990 | Board Member | 5 | $0 | $0 | View return |
| 2021 | Nebraska Greats Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2020 | Iowa Farm Bureau Federation | 990 | Director | 1.5 | $0 | $0 | View return |
| 2020 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2020 | Nebraska State Fair 1868 Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Nebraska Greats Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2019 | Nebraska Greats Foundation | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Nebraska State Fair 1868 Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2017 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2016 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2015 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2014 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2014 | Hall County Livestock Improvement A | 990 | Executive Board Ex-Officio | 0 | $0 | $0 | View return |
| 2013 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2013 | Hall County Livestock Improvement A | 990 | Executive Board President | 0 | $0 | $0 | View return |
| 2012 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2011 | John a & Gretchen Dinsdale Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |