| 2024 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2024 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2023 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2023 | Newton Cultural Alliance Inc. | 990 | Co-President | 3 | $0 | $0 | View return |
| 2023 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2022 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2022 | Newton Cultural Alliance Inc. | 990 | Co-President | 3 | $0 | $0 | View return |
| 2022 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2021 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2021 | Newton Cultural Alliance Inc. | 990 | President & Treasurer | 3 | $0 | $0 | View return |
| 2020 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2020 | Newton Cultural Alliance Inc. | 990 | President & Treasurer | 3 | $0 | $0 | View return |
| 2020 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2019 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2018 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2018 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2017 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2017 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2017 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2016 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2015 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2015 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2015 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2014 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2014 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2013 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2013 | Newton Cultural Alliance Inc. | 990 | President | 3 | $0 | $0 | View return |
| 2013 | Newton Historical Society Inc. | 990 | Director | 2 | $0 | $0 | View return |
| 2012 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2011 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2010 | Downey-Farnsworth Family Charitable Foundation | 990PF | Trustee | 5 | $0 | $0 | View return |