| 2025 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 0 | $27,000 | $0 | View return |
| 2025 | Wetlands Research Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2024 | Estate of Joseph L Stubblefield | 990PF | Trustee | 0 | $90,000 | $0 | View return |
| 2024 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 0 | $27,000 | $0 | View return |
| 2024 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 0 | $16,000 | $0 | View return |
| 2024 | Wetlands Research Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2023 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $90,000 | $0 | View return |
| 2023 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 5 | $27,000 | $0 | View return |
| 2023 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $9,000 | $0 | View return |
| 2023 | Wetlands Research Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2022 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $90,000 | $0 | View return |
| 2022 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2022 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 2 | $9,000 | $0 | View return |
| 2022 | Wetlands Research Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2021 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $88,000 | $0 | View return |
| 2021 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2021 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $9,000 | $0 | View return |
| 2021 | Wetlands Research Inc. | 990 | President | 1 | $0 | $0 | View return |
| 2020 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $90,000 | $0 | View return |
| 2020 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2020 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $9,000 | $0 | View return |
| 2020 | Wetlands Research Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2019 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $90,000 | $0 | View return |
| 2019 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2019 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $9,000 | $0 | View return |
| 2019 | Wetlands Research Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2018 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $90,000 | $0 | View return |
| 2018 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $25,000 | $0 | View return |
| 2018 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $25,000 | $0 | View return |
| 2018 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $9,000 | $0 | View return |
| 2018 | Wetlands Research Inc. | 990 | President | 5 | $0 | $0 | View return |
| 2017 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $85,000 | $0 | View return |
| 2017 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2017 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $9,500 | $0 | View return |
| 2017 | Wetlands Research Inc. | 990 | President | 20 | $0 | $0 | View return |
| 2016 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $80,000 | $0 | View return |
| 2016 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2016 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $8,500 | $0 | View return |
| 2016 | Wetlands Research Inc. | 990 | President | - | $0 | $0 | View return |
| 2015 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $90,000 | $0 | View return |
| 2015 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2015 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $8,500 | $0 | View return |
| 2015 | Wetlands Research Inc. | 990 | President | - | $0 | $0 | View return |
| 2014 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $85,000 | $0 | View return |
| 2014 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2014 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $12,000 | $0 | View return |
| 2013 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $85,000 | $0 | View return |
| 2013 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2013 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $12,000 | $0 | View return |
| 2013 | Wetlands Research Inc. | 990 | Secretary | - | $0 | $0 | View return |
| 2012 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $80,000 | $0 | View return |
| 2012 | Harold and Helen Shepherd Foundation | 990PF | Trustee | 4 | $27,000 | $0 | View return |
| 2012 | Bonnie and Clifford Braden Foundation | 990PF | Trustee | 3 | $7,500 | $0 | View return |
| 2011 | Estate of Joseph L Stubblefield | 990PF | Trustee | 10 | $80,000 | $0 | View return |