| 2024 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0 | $0 | $0 | View return |
| 2024 | John & Patricia Klingenstein Fund | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2024 | Sadie and Harry Davis Foundation Inc | 990PF | Secretary | 0.5 | $0 | $0 | View return |
| 2024 | Billerica Yankee Doodle Homecoming Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2023 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0 | $0 | $0 | View return |
| 2023 | Billerica Yankee Doodle Homecoming Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2023 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2023 | John & Patricia Klingenstein Fund | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2023 | Hart County Community Theatre Inc | 990EZ | Secretary | 0 | $0 | - | View return |
| 2023 | Klingstein Third Generation Foundation | 990PF | Trustee, Secretary | 0.25 | $0 | $0 | View return |
| 2023 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary, Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Billerica Yankee Doodle Homecoming Inc | 990EZ | Director | 1 | $0 | - | View return |
| 2022 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2022 | Hart County Community Theatre Inc | 990EZ | Secretary | 0 | $0 | - | View return |
| 2022 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0 | $0 | $0 | View return |
| 2022 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Klingstein Third Generation Foundation | 990PF | Trustee | 0.25 | $0 | $0 | View return |
| 2021 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2021 | Klingstein Third Generation Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2021 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Trustee | 0.25 | $0 | $0 | View return |
| 2020 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2020 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Trustee | 0.25 | $0 | $0 | View return |
| 2020 | Klingstein Third Generation Foundation | 990PF | Director | 0.25 | $0 | $0 | View return |
| 2019 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Trustee | 0.25 | $4,315 | $0 | View return |
| 2019 | Klingstein Third Generation Foundation | 990PF | Director | 0.25 | $963 | $0 | View return |
| 2019 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2019 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 2 | $10,714 | $0 | View return |
| 2018 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 2 | $10,714 | $0 | View return |
| 2018 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2018 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Klingstein Third Generation Foundation | 990PF | Executive Director | 24 | $0 | $0 | View return |
| 2017 | Klingstein Third Generation Foundation | 990PF | Executive Director | 24 | $11,232 | $1,066 | View return |
| 2017 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 0.5 | $1,248 | $118 | View return |
| 2017 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2017 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2016 | Klingstein Third Generation Foundation | 990PF | Executive Director | 24 | $9,828 | $321 | View return |
| 2016 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 0.5 | $1,092 | $36 | View return |
| 2016 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2016 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2015 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | - | View return |
| 2015 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2015 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | - | View return |
| 2015 | Klingstein Third Generation Foundation | 990PF | Executive Director | 24 | $0 | - | View return |
| 2014 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | - | View return |
| 2014 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2014 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | - | View return |
| 2014 | Klingstein Third Generation Foundation | 990PF | Executive Director | 24 | $0 | - | View return |
| 2013 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2013 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | - | View return |
| 2013 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | - | View return |
| 2013 | Klingstein Third Generation Foundation | 990PF | Executive Director | 24 | $0 | - | View return |
| 2012 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | - | View return |
| 2012 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2012 | Klingstein Third Generation Foundation | 990PF | Executive | 24 | $0 | - | View return |
| 2012 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | - | View return |
| 2011 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | - | View return |
| 2011 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | - | View return |
| 2011 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | - | View return |
| 2011 | Klingstein Third Generation Foundation | 990PF | Executive | 24 | $0 | - | View return |
| 2010 | Sadie and Harry Davis Foundation Inc | 990PF | Director | 0.5 | $0 | $0 | View return |
| 2010 | The Klingenstein-Martell Foundation | 990PF | President, Trustee | 0.5 | $0 | $0 | View return |
| 2010 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | - | View return |
| 2010 | Klingstein Third Generation Foundation | 990PF | Executive | 24 | $0 | - | View return |
| 2009 | Klingstein Third Generation Foundation | 990PF | Executive | 15 | $6,667 | $0 | View return |
| 2009 | The Esther a & Joseph Klingenstein Fund Inc | 990PF | Secretary/Director | 1 | $0 | $0 | View return |