| 2025 | Robert Lee Hudson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2024 | Robert Lee Hudson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2023 | Robert Lee Hudson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Robert Lee Hudson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2022 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2021 | Robert Lee Hudson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2021 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2020 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2020 | Robert Lee Hudson Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2019 | Robert Lee Hudson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2019 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2018 | Robert Lee Hudson Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2018 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2017 | Robert Lee Hudson Foundation | 990PF | President | 0.5 | $0 | $0 | View return |
| 2017 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2016 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2016 | Robert Lee Hudson Foundation | 990PF | President | 0.5 | $0 | $0 | View return |
| 2015 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2014 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2013 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |
| 2012 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | - | View return |
| 2011 | Sarah Campbell Blaffer Foundation | 990PF | Vice President | 1 | $0 | $0 | View return |