| 2024 | John and Carole Bartholdson Foundation | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2024 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 1 | $0 | $0 | View return |
| 2024 | Haverford School | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2023 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2023 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 1 | $0 | $0 | View return |
| 2023 | Haverford School | 990 | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2022 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 1 | $0 | $0 | View return |
| 2021 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2021 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2020 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2020 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2019 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2019 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2018 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2018 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2017 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2017 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2016 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2016 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2015 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2014 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2013 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | $0 | View return |
| 2013 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | $0 | View return |
| 2012 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | - | View return |
| 2012 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | - | View return |
| 2011 | John and Carole Bartholdson Foundation | 990PF | Director | 0 | $0 | - | View return |
| 2011 | John and Carole Bartholdson Foundation | 990PF | Secretary-Treasurer | 0 | $0 | - | View return |