| 2024 | The Grace High Washburn Trust | 990PF | Trustee | 1 | $2,565 | $0 | View return |
| 2024 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2024 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 0 | $0 | - | View return |
| 2023 | The Grace High Washburn Trust | 990PF | Sectreasure | 1 | $2,533 | $0 | View return |
| 2023 | Southwest Mn Farm Bus Management Assn | 990 | President | 0.5 | $0 | $0 | View return |
| 2023 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 0 | $0 | - | View return |
| 2023 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2022 | The Grace High Washburn Trust | 990PF | Sectreasure | 1 | $2,454 | $0 | View return |
| 2022 | Southwest Mn Farm Bus Management Assn | 990EZ | President | 0.5 | $0 | - | View return |
| 2022 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 0 | $0 | - | View return |
| 2022 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2021 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2021 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 0 | $0 | - | View return |
| 2021 | John L Volk Foundation Inc | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | John L Volk Foundation Inc | 990PF | President | 0 | $0 | $0 | View return |
| 2020 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2019 | John L Volk Foundation Inc | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 1 | $0 | - | View return |
| 2018 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2018 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2018 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 1 | $0 | - | View return |
| 2017 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2017 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2017 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990EZ | Director | 1 | $0 | - | View return |
| 2016 | Windom Youth Hockey Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2016 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Atkinson Foundation | 990PF | Director | 4 | $0 | $0 | View return |
| 2015 | Sunrise Community Health | 990 | Family Practice | 40 | $172,189 | $0 | View return |
| 2015 | Windom Youth Hockey Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2014 | Sunrise Community Health | 990 | Family Practice | 40 | $169,852 | $0 | View return |
| 2014 | Windom Youth Hockey Association Inc | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2014 | Southeast Colorado Two Shot Wildlife & Habitat Foundation | 990 | Director | 1 | $0 | $0 | View return |
| 2013 | Sunrise Community Health | 990 | Family Practice | 40 | $149,882 | $0 | View return |
| 2013 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2012 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |
| 2011 | John L Volk Foundation Inc | 990PF | President | 10 | $0 | $0 | View return |