| 2025 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 0 | $0 | $0 | View return |
| 2025 | The Habe Foundation | 990PF | Treasurer | 0.25 | $0 | $0 | View return |
| 2024 | The Habe Foundation | 990PF | Treasurer | 0.25 | $0 | $0 | View return |
| 2024 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2024 | John & Patricia Klingenstein Fund | 990PF | Trustee | 2 | $0 | $0 | View return |
| 2024 | Sadie and Harry Davis Foundation Inc. | 990PF | CEO, Director | 3 | $0 | $0 | View return |
| 2024 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 0 | $0 | $0 | View return |
| 2023 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 0 | $0 | $0 | View return |
| 2023 | The Habe Foundation | 990PF | Treasurer | 0.25 | $0 | $0 | View return |
| 2023 | Harry E Davis Partnership for Childrens Oral Health | 990 | President | 2 | $0 | $0 | View return |
| 2023 | Sadie and Harry Davis Foundation Inc. | 990PF | CEO & Director | 0.5 | $0 | $0 | View return |
| 2023 | John & Patricia Klingenstein Fund | 990PF | Trustee | 5 | $0 | $0 | View return |
| 2023 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2023 | The Klingenstein Third Generation Foundation | 990PF | Chairman, CEO | 0.25 | $0 | $0 | View return |
| 2023 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee, CEO | 5 | $0 | $0 | View return |
| 2022 | John & Patricia Klingenstein Fund | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2022 | Sadie and Harry Davis Foundation Inc. | 990PF | CEO & Director | 10 | $0 | $0 | View return |
| 2022 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2022 | The Habe Foundation | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2022 | The Habe Foundation | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2022 | Harry E Davis Partnership for Childrens Oral Health | 990 | President/Treasurer | 5 | $0 | $0 | View return |
| 2022 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2022 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee/CEO | 1 | $0 | $0 | View return |
| 2022 | The Klingenstein Third Generation Foundation | 990PF | Chairman & CEO | 0.25 | $0 | $0 | View return |
| 2021 | Harry E Davis Partnership for Childrens Oral Health | 990 | President/Treasurer | 5 | $0 | $0 | View return |
| 2021 | Education Forward DC | 990 | Treasurer - Until 06/2022 | 1 | $0 | $0 | View return |
| 2021 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2021 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2021 | John & Patricia Klingenstein Fund | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2021 | Sadie and Harry Davis Foundation Inc. | 990PF | CEO & Director | 10 | $0 | $0 | View return |
| 2021 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2021 | The Klingenstein Third Generation Foundation | 990PF | President | 3 | $0 | $0 | View return |
| 2021 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee/CEO | 15 | $0 | $0 | View return |
| 2020 | Education Forward DC | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2020 | Harry E Davis Partnership for Childrens Oral Health | 990 | President/Treasurer | 5 | $0 | $0 | View return |
| 2020 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2020 | John & Patricia Klingenstein Fund | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2020 | Sadie and Harry Davis Foundation Inc. | 990PF | CEO & Director | 10 | $0 | $0 | View return |
| 2020 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2020 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2020 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee/CEO | 15 | $0 | $0 | View return |
| 2020 | The Klingenstein Third Generation Foundation | 990PF | President | 6 | $0 | $0 | View return |
| 2019 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2019 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2019 | John & Patricia Klingenstein Fund | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2019 | Harry E Davis Partnership for Childrens Oral Health | 990 | President/Treasurer | 5 | $0 | $0 | View return |
| 2019 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 10 | $0 | $0 | View return |
| 2019 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2019 | Education Forward DC | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2019 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Trustee/CEO | 15 | $0 | $0 | View return |
| 2019 | Educare DC | 990 | Director | 2 | $0 | $0 | View return |
| 2019 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | $0 | View return |
| 2019 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2018 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2018 | John & Patricia Klingenstein Fund | 990PF | Trustee | 0.5 | $0 | $0 | View return |
| 2018 | Education Forward DC | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2018 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 10 | $0 | $0 | View return |
| 2018 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2018 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2018 | Harry E Davis Partnership for Childrens Oral Health | 990 | President/Treasurer | 5 | $0 | $0 | View return |
| 2018 | Educare DC | 990 | Director | 2 | $0 | $0 | View return |
| 2018 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | $0 | View return |
| 2018 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | $0 | View return |
| 2018 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | $0 | View return |
| 2017 | Harry E Davis Partnership for Childrens Oral Health | 990EZ | President/Treasurer | 5 | $0 | $0 | View return |
| 2017 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2017 | Education Forward DC | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2017 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 10 | $0 | $0 | View return |
| 2017 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2017 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2017 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | $0 | View return |
| 2017 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | $0 | View return |
| 2017 | Educare DC | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | Education Forward DC | 990 | Treasurer | 1 | $0 | $0 | View return |
| 2016 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | $0 | View return |
| 2016 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2016 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 10 | $0 | $0 | View return |
| 2016 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2016 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | $0 | View return |
| 2016 | Educare DC | 990 | Director | 2 | $0 | $0 | View return |
| 2016 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | $0 | View return |
| 2015 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | - | View return |
| 2015 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2015 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 5 | $0 | - | View return |
| 2015 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | - | View return |
| 2015 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | - | View return |
| 2015 | Terror Free Tomorrow | 990PF | Director | 0 | $0 | $0 | View return |
| 2015 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | - | View return |
| 2014 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | - | View return |
| 2014 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | - | View return |
| 2014 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2014 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 5 | $0 | - | View return |
| 2014 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | - | View return |
| 2014 | Terror Free Tomorrow | 990PF | Director | 0 | $0 | $0 | View return |
| 2014 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | - | View return |
| 2013 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | - | View return |
| 2013 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | - | View return |
| 2013 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2013 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 5 | $0 | - | View return |
| 2013 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | - | View return |
| 2013 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | - | View return |
| 2012 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | - | View return |
| 2012 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2012 | The Habe Foundation | 990PF | Treasurer | 0.5 | $0 | - | View return |
| 2012 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 5 | $0 | - | View return |
| 2012 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | - | View return |
| 2012 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | President/Director | 15 | $0 | - | View return |
| 2011 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | - | View return |
| 2011 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2011 | The Habe Foundation | 990PF | Treasurer | 0 | $0 | - | View return |
| 2011 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 5 | $0 | - | View return |
| 2011 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Vice Pres/Director | 4 | $0 | - | View return |
| 2011 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | - | View return |
| 2010 | Andrew and Julie Klingenstein Family Fund Inc. | 990PF | Treas/Sec | 15 | $0 | $0 | View return |
| 2010 | Sadie and Harry Davis Foundation Inc. | 990PF | Director | 3 | $0 | $0 | View return |
| 2010 | The Habe Foundation | 990PF | Treasurer | 0 | $0 | $0 | View return |
| 2010 | Thomas D Klingenstein Fund | 990PF | Secretary | 0.25 | $0 | $0 | View return |
| 2010 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Vice Pres/Director | 4 | $0 | - | View return |
| 2010 | The Klingenstein Third Generation Foundation | 990PF | President | 8 | $0 | - | View return |
| 2009 | The Klingenstein Third Generation Foundation | 990PF | President | 3 | $0 | $0 | View return |
| 2009 | The Esther a and Joseph Klingenstein Fund Inc. | 990PF | Vice Pres/Director | 4 | $0 | $0 | View return |