| 2024 | The Buckingham Foundation | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Buckingham Foundation | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2022 | The Buckingham Foundation | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2022 | Joe B Foster Family Foundation 052297 | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2021 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2021 | Joe B Foster Family Foundation 052297 | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | The Buckingham Foundation | 990EZ | Trustee | 1 | $0 | $0 | View return |
| 2021 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2020 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2020 | Joe B Foster Family Foundation 052297 | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2019 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 0 | $0 | $0 | View return |
| 2018 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2018 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2017 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2017 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2016 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2016 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 0 | $0 | $0 | View return |
| 2015 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2015 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | - | View return |
| 2014 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | $0 | View return |
| 2014 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2013 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2012 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2012 | Harriet and Joe Foster Foundation | 990PF | President & Treasurer | 1 | $0 | - | View return |
| 2011 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2011 | Harriet and Joe Foster Foundation | 990PF | Pres/Treas | 1 | $0 | - | View return |
| 2010 | Joe B Foster Family Foundation 052297 | 990PF | Sec/Director | 1 | $0 | $0 | View return |
| 2010 | Harriet and Joe Foster Foundation | 990PF | Pres/Treas | 1 | $0 | $0 | View return |