| 2024 | The Fibrolamellar Cancer Foundation | 990 | Co-Chairperson | 25 | $0 | $0 | View return |
| 2024 | Chisholm Trail Museum Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2024 | Charles a & Marna Davis Foundation | 990PF | Trustee | 3 | $0 | $0 | View return |
| 2024 | Shelburne Museum Incorporated | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2023 | Chisholm Trail Museum Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2023 | The Fibrolamellar Cancer Foundation | 990 | Co-Chairperson | 25 | $0 | $0 | View return |
| 2023 | Shelburne Museum Incorporated | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2023 | Charles a & Marna Davis Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Fibrolamellar Cancer Foundation | 990 | Co-Chairperson | 25 | $0 | $0 | View return |
| 2022 | Chisholm Trail Museum Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2022 | Shelburne Museum Incorporated | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2022 | Charles a & Marna Davis Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Charles a & Marna Davis Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Chisholm Trail Museum Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2021 | The Fibrolamellar Cancer Foundation | 990 | Chairperson | 25 | $0 | $0 | View return |
| 2021 | Shelburne Museum Incorporated | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2020 | Chisholm Trail Museum Inc. | 990 | Secretary | 2 | $0 | $0 | View return |
| 2020 | The Fibrolamellar Cancer Foundation | 990 | Chairperson | 25 | $0 | $0 | View return |
| 2020 | Shelburne Museum Incorporated | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2020 | Charles a & Marna Davis Foundation | 990PF | Trustee/Part-Time | 0 | $0 | $0 | View return |
| 2019 | Charles a & Marna Davis Foundation | 990PF | Trustee/Part-Time | 0 | $0 | $0 | View return |
| 2019 | The Fibrolamellar Cancer Foundation | 990 | Chairperson | 25 | $0 | $0 | View return |
| 2019 | Chisholm Trail Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2019 | Shelburne Museum Incorporated | 990 | Vice Chair | 5 | $0 | $0 | View return |
| 2018 | Chisholm Trail Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2018 | Shelburne Museum Incorporated | 990 | Trustee | 5 | $0 | $0 | View return |
| 2018 | The Fibrolamellar Cancer Foundation | 990 | Chairperson | 25 | $0 | $0 | View return |
| 2017 | The Fibrolamellar Cancer Foundation | 990 | Chairwoman, President | 25 | $0 | $0 | View return |
| 2017 | Chisholm Trail Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Chisholm Trail Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2016 | Shelburne Museum Incorporated | 990 | Trustee | 5 | $0 | $0 | View return |
| 2016 | The Fibrolamellar Cancer Foundation | 990 | Chairwoman, President | 25 | $0 | $0 | View return |
| 2015 | Chisholm Trail Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2015 | Shelburne Museum Incorporated | 990 | Trustee | 5 | $0 | $0 | View return |
| 2015 | The Fibrolamellar Cancer Foundation | 990 | Chairwoman, President | 1 | $0 | $0 | View return |
| 2014 | Shelburne Museum Incorporated | 990 | Trustee | 5 | $0 | $0 | View return |
| 2014 | Chisholm Trail Museum Inc. | 990 | Director | 1 | $0 | $0 | View return |
| 2014 | The Fibrolamellar Cancer Foundation | 990 | Chairwoman, President | 1 | $0 | $0 | View return |
| 2013 | Shelburne Museum Incorporated | 990 | Trustee | 5 | $0 | - | View return |
| 2013 | The Fibrolamellar Cancer Foundation | 990 | Chairwoman, President | 1 | $0 | $0 | View return |