| 2025 | Middlesex Savings Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2024 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2024 | Middlesex Savings Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2024 | Society for the Preservation of New England Antiquities Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2023 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2023 | Middlesex Savings Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2023 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2023 | Society for the Preservation of New England Antiquities Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2022 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2022 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2022 | Middlesex Savings Charitable Foundation Inc. | 990PF | Director | 1 | $0 | $0 | View return |
| 2022 | Society for the Preservation of New England Antiquities Inc. | 990 | Treasurer | 2 | $0 | $0 | View return |
| 2021 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2021 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2020 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2020 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2019 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2019 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2019 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2018 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2018 | Sherborn Rural Land Foundation | 990PF | President | 2 | $0 | $0 | View return |
| 2018 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2017 | Sherborn Rural Land Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2017 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2017 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2016 | Sherborn Rural Land Foundation | 990PF | President | 0 | $0 | $0 | View return |
| 2016 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2015 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2015 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2015 | Sherborn Rural Land Foundation | 990PF | President | 1 | $0 | $0 | View return |
| 2014 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2014 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2014 | Sherborn Rural Land Foundation | 990PF | President | 3.5 | $0 | $0 | View return |
| 2013 | Dell Park Cemetery Association | 990 | President | 2 | $0 | $0 | View return |
| 2013 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.4 | $0 | $0 | View return |
| 2013 | Sherborn Rural Land Foundation | 990PF | President | 3.5 | $0 | $0 | View return |
| 2012 | Sherborn Rural Land Foundation | 990PF | President | 3.5 | $0 | $0 | View return |
| 2012 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 0.8 | $0 | $0 | View return |
| 2011 | The Shelter Island Fund Inc | 990PF | Clerk, Treas., Director | 1 | $0 | $0 | View return |
| 2010 | The Shelter Island Fund Inc | 990PF | Clerk, Director | 1 | $0 | $0 | View return |