| 2024 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 1 | $1,000 | $0 | View return |
| 2024 | Rotary Int'L - Denison Rotary Club | 990EZ | Sgt At Arms | 1 | $0 | - | View return |
| 2024 | Denison Rotary Foundation | 990PF | Secretary | 1 | $0 | $0 | View return |
| 2024 | The Steinhart Foundation Inc | 990PF | Secretary/Treasurer | 1 | $0 | $0 | View return |
| 2023 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $1,000 | $0 | View return |
| 2023 | The Steinhart Foundation Inc | 990PF | Secretary-Treasurer | 5 | $0 | $0 | View return |
| 2023 | Rotary Int'L - Denison Rotary Club | 990EZ | Secretary | 2 | $0 | - | View return |
| 2023 | William and Elise Bandow Scholarship | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | The Steinhart Foundation Inc | 990PF | Secretary-Treasurer | 5 | $0 | $0 | View return |
| 2022 | Hospital Foundation of Crawford County | 990 | Vice Chairman | 1 | $0 | $0 | View return |
| 2022 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $0 | $0 | View return |
| 2022 | William and Elise Bandow Scholarship | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | Rotary Int'L - Denison Rotary Club | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2021 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $0 | - | View return |
| 2021 | The Steinhart Foundation Inc | 990PF | Sec. Treas | 5 | $0 | - | View return |
| 2021 | Rotary Int'L - Denison Rotary Club | 990EZ | Vice Preside | 1 | $0 | - | View return |
| 2021 | William and Elise Bandow Scholarship | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | Hospital Foundation of Crawford County | 990 | Director | 1 | $0 | $0 | View return |
| 2020 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $0 | $0 | View return |
| 2020 | William and Elise Bandow Scholarship | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Rotary Int'L - Denison Rotary Club | 990EZ | President | 3 | $0 | - | View return |
| 2020 | The Steinhart Foundation Inc | 990PF | Sec & Treas | 5 | $0 | $0 | View return |
| 2019 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $1,000 | $0 | View return |
| 2019 | The Steinhart Foundation Inc | 990PF | Sec & Treas | 5 | $0 | $0 | View return |
| 2019 | Rotary Int'L - Denison Rotary Club | 990EZ | President El | 1 | $0 | - | View return |
| 2018 | The Steinhart Foundation Inc | 990PF | Sec & Treas | 5 | $0 | $0 | View return |
| 2018 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $0 | $0 | View return |
| 2018 | William and Elise Bandow Scholarship | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | The Steinhart Foundation Inc | 990PF | Sec & Treas | 5 | $0 | $0 | View return |
| 2017 | Karl H and Wealtha H Nelson Family Foundation | 990PF | Secretary | 5 | $0 | $0 | View return |
| 2012 | Seemann Family Foundation Inc Co George Blazek | 990PF | Trustee Sec. | 0 | $0 | $0 | View return |
| 2011 | Seemann Family Foundation Inc Co George Blazek | 990PF | Trustee Sec. | 0 | $0 | $0 | View return |
| 2010 | Seemann Family Foundation Inc Co George Blazek | 990PF | Trustee Sec. | 0 | $0 | $0 | View return |