| 2024 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | $0 | View return |
| 2023 | Tom T East Sr & Alice K East & Alice H East & Robert C East Wildl | 990 | Director | 4 | $65,500 | $0 | View return |
| 2023 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | $0 | View return |
| 2023 | Diamond Bar Conservation | 990 | Director | 1 | $0 | $65,500 | View return |
| 2023 | The Diamond Bar Fund | 990 | Director | 1 | $0 | $65,500 | View return |
| 2023 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2023 | American Quarter Horse Association | 990 | Past President | 1 | $0 | $0 | View return |
| 2022 | Tom T East Sr & Alice K East & Alice H East & Robert C East Wildl | 990 | Director | 4 | $65,500 | $0 | View return |
| 2022 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | - | View return |
| 2022 | The Diamond Bar Fund | 990 | Director | 2 | $0 | $65,500 | View return |
| 2022 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2022 | American Quarter Horse Association | 990 | Director | 0.2 | $0 | $0 | View return |
| 2021 | Tom T East Sr & Alice K East & Alice H East & Robert C East Wildl | 990 | Director | 4 | $65,500 | $0 | View return |
| 2021 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | - | View return |
| 2021 | The Diamond Bar Fund | 990 | Director | 2 | $0 | $65,500 | View return |
| 2021 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2020 | Tom T East Sr & Alice K East & Alice H East & Robert C East Wildl | 990 | Director | 4 | $65,500 | $0 | View return |
| 2020 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | - | View return |
| 2020 | The Diamond Bar Fund | 990 | Director | 2 | $0 | $65,500 | View return |
| 2020 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2019 | Tom T East Sr & Alice K East & Alice H East & Robert C East Wildl | 990PF | Director | 4 | $65,500 | - | View return |
| 2019 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | - | View return |
| 2019 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2019 | The Diamond Bar Fund | 990EZ | Director | 1 | $0 | - | View return |
| 2018 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | - | View return |
| 2018 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2017 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $60,000 | - | View return |
| 2017 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $43,000 | - | View return |
| 2016 | American Quarter Horse Association | 990 | Past President | 1 | $0 | $0 | View return |
| 2016 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2015 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $43,000 | - | View return |
| 2015 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2015 | American Quarter Horse Association | 990 | Past President | 1 | $0 | $0 | View return |
| 2014 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $43,000 | - | View return |
| 2014 | American Quarter Horse Association | 990 | Past President | 1 | $0 | $0 | View return |
| 2014 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2013 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $43,000 | - | View return |
| 2013 | South Texas Charity Weekend Inc. | 990 | President | 2 | $0 | $0 | View return |
| 2012 | Caesar Kleberg Foundation for Wildlife Conservation | 990PF | Trustee | 4 | $43,000 | - | View return |