| 2025 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2024 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2023 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2022 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2022 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2021 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2021 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2020 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2019 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2018 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2018 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2017 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2016 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2015 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2014 | St Mark'S School of Texas | 990 | Trustee | 2 | $0 | $0 | View return |
| 2013 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2013 | St Mark'S School of Texas | 990 | Trustee | 2 | - | - | View return |
| 2012 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2011 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |
| 2010 | The Paula S and Robert T Butler Foundation | 990PF | Trustee | 0 | $0 | - | View return |