| 2025 | Little House on the Prairie Museum Inc. | 990 | Treasurer VI | - | $0 | $0 | View return |
| 2024 | Little House on the Prairie Museum Inc. | 990 | Treasurer VI | - | $0 | $0 | View return |
| 2024 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | Little House on the Prairie Museum Inc. | 990 | Treasurer VI | - | $0 | $0 | View return |
| 2023 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Little House on the Prairie Museum Inc. | 990 | Treasurer VI | - | $0 | $0 | View return |
| 2022 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | Little House on the Prairie Museum Inc. | 990 | Treasurer VI | - | $0 | $0 | View return |
| 2020 | Little House on the Prairie Museum Inc. | 990 | Treasurer VI | 10 | $2,400 | $0 | View return |
| 2020 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Little House on the Prairie Museum Inc. | 990 | Treasurer/VI | - | $0 | $0 | View return |
| 2018 | Sedan Area Foundation Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2018 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | Little House on the Prairie Museum Inc. | 990 | Treasurer/VI | - | $0 | $0 | View return |
| 2018 | Sedan Area Foundation Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2017 | Little House on the Prairie Museum Inc. | 990 | Treasurer/VI | - | $0 | $0 | View return |
| 2017 | Sedan Area Foundation Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2017 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | Sedan Area Foundation Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2016 | Little House on the Prairie Museum Inc. | 990 | Treasurer/VI | - | $0 | $0 | View return |
| 2016 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | Sedan Area Foundation Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2015 | Sedan Area Economic Development Committee Inc. | 990 | Director | - | $0 | $0 | View return |
| 2015 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | Sedan Area Foundation Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2014 | Sedan Area Economic Development Committee Inc. | 990 | Director | - | $0 | $0 | View return |
| 2014 | Little House on the Prairie Museum Inc. | 990 | Treasurer/VI | - | $0 | $0 | View return |
| 2013 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | Little House on the Prairie Museum Inc. | 990 | Treasurer/VI | - | $0 | $0 | View return |
| 2012 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2011 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2010 | Kurtis Conservation Foundation | 990PF | Director | 0 | $0 | $0 | View return |