| 2024 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,582 | - | View return |
| 2023 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,489 | - | View return |
| 2023 | The Henry & Jane Vonderlieth Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,549 | - | View return |
| 2022 | The Henry & Jane Vonderlieth Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,668 | - | View return |
| 2021 | The Henry & Jane Vonderlieth Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,506 | - | View return |
| 2020 | The Henry & Jane Vonderlieth Foundation | 990 | Trustee | 2 | $0 | $0 | View return |
| 2019 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,553 | - | View return |
| 2019 | The Henry & Jane Vonderlieth Foundation | 990EZ | Trustee | 1 | $0 | - | View return |
| 2018 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,673 | - | View return |
| 2018 | The Henry & Jane Vonderlieth Foundation | 990EZ | Trustee | 1 | $0 | - | View return |
| 2017 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,604 | - | View return |
| 2017 | The Henry & Jane Vonderlieth Foundation | 990EZ | Trustee | 1 | $0 | - | View return |
| 2016 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,536 | - | View return |
| 2016 | The Henry & Jane Vonderlieth Foundation | 990EZ | Trustee | 1 | $0 | - | View return |
| 2015 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,581 | - | View return |
| 2015 | The Henry & Jane Vonderlieth Foundation | 990EZ | Trustee | 1 | $0 | - | View return |
| 2014 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,647 | - | View return |
| 2014 | The Henry & Jane Vonderlieth Foundation | 990EZ | Trustee | 1 | $0 | - | View return |
| 2013 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,690 | - | View return |
| 2013 | The Henry & Jane Vonderlieth Foundation | 990EZ | President | 1 | $0 | - | View return |
| 2012 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,620 | - | View return |
| 2011 | Clarence Tomlinson Charitable Trust | 990PF | Trustee | 0.5 | $1,642 | - | View return |