| 2023 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2022 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2021 | Leadership Southcoast Inc. | 990EZ | Director | 1 | $0 | - | View return |
| 2021 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2020 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2019 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2018 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2017 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2016 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2015 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2014 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2013 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2012 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |
| 2011 | Donald M and Helen H Kidder Foundation | 990PF | Vice-President & Director | 0.25 | $0 | $0 | View return |