| 2025 | South Chaltham Public Library Inc. | 990PF | Treasurer | 3 | $0 | $0 | View return |
| 2025 | Harwich Historical Society Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2024 | Harwich Historical Society Inc | 990 | Treasurer | 4 | $0 | $0 | View return |
| 2024 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2023 | Harwich Historical Society Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2023 | South Chaltham Public Library Inc. | 990PF | Treasurer | 3 | $0 | $0 | View return |
| 2022 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2022 | Harwich Historical Society Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | South Chaltham Public Library Inc. | 990PF | Treasurer | 3 | $0 | $0 | View return |
| 2021 | Harwich Historical Society Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2020 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2019 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2018 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2017 | Habitat for Humanity of Cape Cod Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2017 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2016 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2016 | Habitat for Humanity of Cape Cod Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2015 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2015 | Habitat for Humanity of Cape Cod Inc | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2014 | Chatham Historical Society Inc. | 990 | Treasurer | 5 | $0 | $0 | View return |
| 2014 | Habitat for Humanity of Cape Cod Inc | 990 | Treasurer | 3 | $0 | $0 | View return |
| 2013 | Chatham Historical Society Inc. | 990 | Treasurer | 4 | $0 | $0 | View return |