| 2025 | Westwood Land Trust Inc | 990 | President | 5 | $0 | $0 | View return |
| 2024 | Doran Family Foundation | 990PF | Trustee | 1 | $27,426 | $0 | View return |
| 2024 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $14,339 | $0 | View return |
| 2024 | The Shane Foundation Dtd 6288 C/O Loring Wolcott Coolidge Trust LLC | 990PF | Trustee | 1 | $720 | $0 | View return |
| 2024 | Cambridge House for Inner Peace Inc | 990 | Secretary & Director | 0.5 | $0 | $0 | View return |
| 2024 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2024 | Westwood Land Trust Inc | 990 | Vice President | 0.5 | $0 | $0 | View return |
| 2024 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | The Don Rodman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2024 | Round the Bend Farm Inc | 990 | Clerk | 2 | $0 | $0 | View return |
| 2023 | Doran Family Foundation | 990PF | Trustee | 1 | $16,068 | $0 | View return |
| 2023 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $11,875 | $0 | View return |
| 2023 | Cambridge House for Inner Peace Inc | 990 | Secretary & Director | 0.5 | $0 | $0 | View return |
| 2023 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2023 | Westwood Land Trust Inc | 990 | Vice President | 0.5 | $0 | $0 | View return |
| 2023 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Shane Foundation Dtd 6288 C/O Loring Wolcott Coolidge Trust LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | The Don Rodman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2023 | Round the Bend Farm Inc | 990 | Clerk | 2 | $0 | $0 | View return |
| 2023 | Rare | 990 | Trustee | 2.5 | $0 | $0 | View return |
| 2023 | Round the Bend Farm Inc | 990 | Clerk | 2 | $0 | $0 | View return |
| 2023 | Manomet Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2022 | Doran Family Foundation | 990PF | Trustee | 1 | $19,221 | $0 | View return |
| 2022 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $11,591 | $0 | View return |
| 2022 | The Frank and Elizabeth Keohane | 990PF | Trustee | 1 | $2,126 | $0 | View return |
| 2022 | The Don Rodman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2022 | The Shane Foundation Dtd 6288 C/O Loring Wolcott Coolidge Trust LLC | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Cambridge House for Inner Peace Inc | 990EZ | Secretary, Director | 0.5 | $0 | $0 | View return |
| 2022 | Westwood Land Trust Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2022 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2022 | Manomet Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2022 | Round the Bend Farm Inc | 990 | Clerk | 2 | $0 | $0 | View return |
| 2022 | Round the Bend Farm Inc | 990 | Clerk | 2 | $0 | $0 | View return |
| 2021 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $21,054 | $0 | View return |
| 2021 | Doran Family Foundation | 990PF | Trustee | 1 | $19,023 | $0 | View return |
| 2021 | The Frank and Elizabeth Keohane | 990PF | Trustee | 1 | $3,714 | $0 | View return |
| 2021 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2021 | The Don Rodman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2021 | Westwood Land Trust Inc | 990 | Vice President | 1 | $0 | $0 | View return |
| 2021 | Museum of Science | 990 | Trustee (Left) | 1 | $0 | $0 | View return |
| 2020 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $18,198 | $0 | View return |
| 2020 | Doran Family Foundation | 990PF | Trustee | 1 | $15,934 | $0 | View return |
| 2020 | The Frank and Elizabeth Keohane | 990PF | Trustee | 1 | $3,097 | $0 | View return |
| 2020 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Westwood Land Trust Inc | 990EZ | Vice President | 0.25 | $0 | $0 | View return |
| 2020 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2020 | The Don Rodman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2020 | Manomet Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2020 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2020 | Center at Westwoods Inc | 990EZ | Clerk/Director | 0 | $0 | $0 | View return |
| 2019 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $17,656 | $0 | View return |
| 2019 | Doran Family Foundation | 990PF | Trustee | 1 | $7,853 | $0 | View return |
| 2019 | The Frank and Elizabeth Keohane | 990PF | Trustee | 1 | $2,983 | $0 | View return |
| 2019 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2019 | David and Elizabeth Ames Charitable Trust #1082106 | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Westwood Land Trust Inc | 990EZ | Vice President | 0 | $0 | - | View return |
| 2019 | The Don Rodman Family Foundation | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2019 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2019 | Manomet Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2019 | Center at Westwoods Inc | 990EZ | Clerk/Director | 0 | $0 | $0 | View return |
| 2019 | Manomet Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2019 | The Bromley Charitable Trust | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | The Frank and Elizabeth Keohane | 990PF | Trustee | 1 | $2,732 | $0 | View return |
| 2018 | David and Elizabeth Ames Charitable Trust #1082106 | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2018 | Westwood Land Trust Inc | 990EZ | Vice President | 0 | $0 | - | View return |
| 2018 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2018 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2018 | Center at Westwoods Inc | 990EZ | Clerk/Director | 0 | $0 | $0 | View return |
| 2018 | Manomet Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2017 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2017 | Old Sturbridge Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2017 | Westwood Land Trust Inc | 990 | Vice President | 0 | $0 | $0 | View return |
| 2017 | David and Elizabeth Ames Charitable Trust #1082106 | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2017 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2017 | Center at Westwoods Inc | 990EZ | Clerk/Director | 0 | $0 | $0 | View return |
| 2017 | Manomet Inc | 990 | Chair | 1 | $0 | $0 | View return |
| 2016 | The Robert & Helen Hardman Family Fund | 990PF | Trustee | 1 | $5,228 | $0 | View return |
| 2016 | Dorothy Q & David B Arnold Jr Charitable | 990PF | Trustee | 1 | $907 | $0 | View return |
| 2016 | Westwood Land Trust Inc | 990EZ | Vice President | 0 | $0 | - | View return |
| 2016 | Westwood Land Trust Inc | 990EZ | Director | 0 | $0 | - | View return |
| 2016 | David and Elizabeth Ames Charitable Trust #1082106 | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2016 | Old Sturbridge Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2016 | Manomet Inc | 990 | Vice Chair | 1 | $0 | $0 | View return |
| 2016 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2016 | Center at Westwoods Inc | 990EZ | Clerk | 0 | $0 | $0 | View return |
| 2015 | Old Sturbridge Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2015 | Westwood Land Trust Inc | 990EZ | Vice President | 0 | $0 | - | View return |
| 2015 | Westwood Land Trust Inc | 990EZ | Director | 0 | $0 | - | View return |
| 2015 | David and Elizabeth Ames Charitable Trust #1082106 | 990PF | Trustee | 1 | $0 | $0 | View return |
| 2015 | Manomet Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2015 | Center at Westwoods Inc | 990EZ | Clerk | 0 | $0 | $0 | View return |
| 2015 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | David and Elizabeth Ames Charitable Trust #1082106 | 990PF | Trustee | 0 | $0 | $0 | View return |
| 2014 | Westwood Land Trust Inc | 990EZ | Vice President | 0 | $0 | - | View return |
| 2014 | Westwood Land Trust Inc | 990EZ | Director | 0 | $0 | - | View return |
| 2014 | Old Sturbridge Inc | 990 | Trustee | 2 | $0 | $0 | View return |
| 2014 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Manomet Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2014 | Center at Westwoods Inc | 990EZ | Clerk | 0 | $0 | $0 | View return |
| 2013 | Westwood Land Trust Inc | 990EZ | Vice President | 0 | $0 | - | View return |
| 2013 | Westwood Land Trust Inc | 990EZ | Director | 0 | $0 | - | View return |
| 2013 | Old Sturbridge Inc | 990 | Director | 2 | $0 | $0 | View return |
| 2013 | Manomet Inc | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Museum of Science | 990 | Trustee | 1 | $0 | $0 | View return |
| 2013 | Center at Westwoods Inc | 990EZ | Clerk | 0 | $0 | $0 | View return |