| 2025 | The Crestfields Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | The Crestfields Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | The Crestfields Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Crestfields Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2016 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2015 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2013 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2012 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2012 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2011 | John and Kelly Hartman Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2011 | Edward and Verna Gerbic Family Foundation | 990PF | Trustee | 0 | $0 | $0 | View return |